MALICIOUS
192
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains multiple embedded URLs, with a critical heuristic firing for a link to known malicious redirector infrastructure. The ML classifier also flagged the PDF with high confidence. The presence of a 'download button' heuristic suggests a lure to download further malicious content. No scripts were extracted, but the primary attack vector appears to be directing users to malicious websites via embedded links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://crophysi.ru/wix?keyword=amoeba+sisters+mitosis+worksheet+key In PDF document text
- https://cdn.sqhk.co/pijajawopoji/uhbjawB/metadirinufodimaf.pdfIn PDF document text
- http://kevakigev.medianewsonline.com/assignment_front_page_aiou.pdfIn PDF document text
- http://zitokujamu.mypressonline.com/rugavimefaluna.pdfIn PDF document text
- https://cdn.sqhk.co/rubutemoxe/bgcUha3/3172604516.pdfIn PDF document text
- https://cdn.sqhk.co/kirinitaxuk/pjdeJgj/96270743627.pdfIn PDF document text
- http://roralukomoko.22web.org/ccleaner_update_version_free.pdfIn PDF document text
- http://faripofijukevom.mywebcommunity.org/94562249378.pdfIn PDF document text
- http://gepexoliv.medianewsonline.com/63625159302.pdfIn PDF document text
- http://zevibeponakat.getenjoyment.net/batman_a_death_in_the_family_original_comic.pdfIn PDF document text
- http://sowipilarow.mygamesonline.org/97461726896.pdfIn PDF document text
- http://tigibisolefora.mygamesonline.org/zalurowuz.pdfIn PDF document text
- http://tifeguga.22web.org/seren.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://pelebirepopo.onlinewebshop.net/argumentative_essay_structure.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/31a201ff-30f3-4fd2-9942-4fead90e4a16/what_lubricant_to_use_on_nordictrack_treadmill.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/59756c6c-6163-4690-b34a-8eb038282e91/vedexoz.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/631f34c7-f533-4736-bdee-c2d5c60cd6be/tesepebanibamokazo.pdfIn PDF document text
- http://bexukavibume.myartsonline.com/pivilivunusinajajakuriso.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/dde464d6-404f-489a-95ea-e3aec9be799d/what_company_owns_greenworks.pdfIn PDF document text
- http://fenulujexita.epizy.com/2015_acura_tlx_performance_parts.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/4345992f-2207-4f1e-b928-a83e4638ca98/alexa_xbox_one_commands_list.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
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0001608f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1608F | 5280 bytes |
SHA-256: 807629c602619f70803b7c2352e5ee538ae4830166cb644da4fd73b0e11e7723 |
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font_01_sfnt_off00017269.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x17269 | 10944 bytes |
SHA-256: 34bfeb605b381438decae288e7f03a054f1cdbee28622ee337e3374c3134fca2 |
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font_02_sfnt_off0001981a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1981A | 16204 bytes |
SHA-256: 31aa257675234f953cb39254c73a0c002637764ec2691c470e0912636c3685cf |
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