MALICIOUS
326
Risk Score
Malware Insights
MITRE ATT&CK
T1059.001 PowerShell
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains an embedded script and multiple external links, indicating it is designed to download and execute a second-stage payload. The document body and heuristics suggest a lure involving 'Windows powershell download 5.1' and instruct the user to interact with the clipboard to execute commands, likely leading to the download of malware. The presence of a link farm and disposable hosting further supports a malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
Heuristics 10
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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Embedded script payload in PDF stream high PDF_EMBEDDED_SCRIPT_PAYLOADPDF stream bytes contain script execution markers such as ActiveXObject/CreateObject, WScript.Shell, PowerShell, or shell-exec primitives. This is stronger than ordinary PDF JavaScript because it indicates a staged external script payload hidden in stream bytes.
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Clipboard command execution lure high SE_CLIPBOARD_COMMAND_LUREDocument tells the user to copy or paste clipboard content into Run, PowerShell, cmd, or another shell-like execution context
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LOLBin token sequence in document text high SE_LOLBIN_RUN_COMMANDExtracted document text contains a Windows script/execution tool name (PowerShell, mshta, cmd, rundll32, regsvr32, …) within 220 characters of a dangerous flag, command verb, or URL. This is a visible 'run this' instruction in HTML/PDF/RTF lure bodies, or — in macro-laden Office files — the macro's own string-pool entries appearing adjacent in extracted text.
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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Suspicious extracted artifact medium EXTRACTED_FILE_STATIC_TRIAGEOne or more files extracted from inside this sample matched static suspicious-content checks such as script obfuscation, encoded payload blobs, packed data, or execution/download terms.
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External URI info PDF_URIPDF contains an external URL action
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL https://soxebez.ru/aws?utm_term=windows+powershell+download+5.1 PDF link annotation
- http://duwudivusupo.mygamesonline.org/codex_borgia.pdfIn PDF document text
- https://rawoxozuk.weebly.com/uploads/1/3/2/6/132695352/vuduxuda.pdfIn macro / runtime command snippet
- http://ig-copyrightviolation.com/tongue_piercing_care_guidep8bg3.pdfIn macro / runtime command snippet
- https://sorurilinoko.weebly.com/uploads/1/3/5/3/135397097/wopojilimixe_nilatu_jijezukixuvilom.pdfIn PDF document text
- https://xudutufatixoli.weebly.com/uploads/1/3/5/9/135957433/2686823.pdfIn PDF document text
- https://fomutifimo.weebly.com/uploads/1/3/4/5/134594787/wosafuwuzexigamabo.pdfIn PDF document text
- http://construt.site/rheem_rtgh-95dvln-2_installation9d06m.pdfIn PDF document text
- https://nevedaroxizewav.weebly.com/uploads/1/3/4/5/134592578/jututamezemawajiwoj.pdfIn PDF document text
- http://tuzevijubozor.mywebcommunity.org/3828988007.pdfIn PDF document text
- http://fexabudobix.getenjoyment.net/30366431775.pdfIn PDF document text
- http://hihikane.space/wumojapulu5bncu.pdfIn PDF document text
- https://jerumegilaguro.weebly.com/uploads/1/3/0/7/130776399/vegedeneva-sobanuwus.pdfIn PDF document text
- http://woziwowariv.sportsontheweb.net/56161344365.pdfIn PDF document text
- https://sazunanul.weebly.com/uploads/1/3/4/4/134488017/minegazebe_vomof_dikato_rajuvu.pdfIn PDF document text
- http://tesupelaj.sportsontheweb.net/64752482554.pdfIn PDF document text
- http://jemulobapamiwu.mywebcommunity.org/what_are_some_safety_features_in_a_car.pdfIn PDF document text
- http://duwudivusupo.mygamesonline.orIn macro / runtime command snippet
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://s3.amazonaws.com/musoxifuvitalo/detafu.pdfIn PDF document text
- https://s3.amazonaws.com/radubozufiwo/8896144437.pdfIn PDF document text
- http://rinimodosejowuf.myartsonline.com/46752008844.pdfIn PDF document text
- http://negumigimewote.onlinewebshop.net/art_of_problem_solving_books_download.pdfIn PDF document text
- http://tavamikilav.myartsonline.com/exemple_de_cahier_des_charges_d_un_projet_informatique.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
embedded_pdf_script_0001343d.bin |
pdf-embedded-script | PDF raw stream script payload at offset 0x1343D | 1588 bytes |
SHA-256: 632da5bcf3455c23bdb562388bc84cbd5eae392a2670610e178a8224034c2e3d |
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Detection
ClamAV:
No threats found
Obfuscation or payload:
likely
Carved artifact contains 3 shell/COM execution token(s).
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Preview scriptFirst 1,000 lines of the extracted script
<?xpacket begin='' id='W5M0MpCehiHzreSzNTczkc9d'?>
<x:xmpmeta xmlns:x='adobe:ns:meta/' x:xmptk='Soda PDF'>
<rdf:RDF xmlns:rdf='http://www.w3.org/1999/02/22-rdf-syntax-ns#'>
<rdf:Description rdf:about=''
xmlns:dc='http://purl.org/dc/elements/1.1/'
dc:format='application/pdf'>
<dc:creator>
<rdf:Seq>
<rdf:li>Buwozoja Zayije</rdf:li>
</rdf:Seq>
</dc:creator>
<dc:description>
<rdf:Alt>
<rdf:li xml:lang='x-default'>Windows powershell download 5.1. ApowerMirror is one of the most popular screen mirroring apps for iOS and Android devices. With thi</rdf:li>
</rdf:Alt>
</dc:description>
<dc:subject>
<rdf:Bag>
<rdf:li>Windows powershell download 5.1. ApowerMirror is one of the most popular screen mirroring apps for iOS and Android devices. With thi</rdf:li>
</rdf:Bag>
</dc:subject>
<dc:title>
<rdf:Alt>
<rdf:li xml:lang='x-default'>Windows powershell download 5.1</rdf:li>
</rdf:Alt>
</dc:title>
</rdf:Description>
<rdf:Description rdf:about=''
xmlns:pdf='http://ns.adobe.com/pdf/1.3/'
pdf:Producer='Soda PDF'/>
<rdf:Description rdf:about=''
xmlns:xmp='http://ns.adobe.com/xap/1.0/'
xmp:CreateDate='2020-03-10T12:24:51'
xmp:CreatorTool='Soda PDF'/>
<rdf:Description rdf:about=''
xmlns:xmpMM='http://ns.adobe.com/xap/1.0/mm/'
xmpMM:DocumentID='1f7f4bfa-bf70-4932-8e41-fed4daead9bd'
xmpMM:InstanceID='01ece478-aec6-48ee-b533-7d34d0d509f9'/>
<rdf:Description rdf:about=''
xmlns:xmpRights='http://ns.adobe.com/xap/1.0/rights/'
xmpRights:Marked='True'/>
</rdf:RDF>
</x:xmpmeta>
<?xpacket end='w'?>
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font_00_sfnt_off0000f60f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF60F | 5360 bytes |
SHA-256: 5843acfeeb85f9954879cfa200cbdd9ea6ba3020e405fe38a9374dbb04548b89 |
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font_01_sfnt_off00010865.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10865 | 10476 bytes |
SHA-256: 0bbc70b510746095ba702aa21d6f21f5dbb7fb462aaca80107cd4110ea652b22 |
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