MALICIOUS
326
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.001 PowerShell
T1204.002 Malicious File Execution: User Execution
This PDF document exhibits multiple indicators of malicious intent, including a high ML classifier score and ClamAV detection as a phishing trojan. It impersonates Microsoft and uses lures to trick users into executing commands via copy-pasting into a shell, a common technique for downloading and executing further payloads. The document also contains a large number of external links, many hosted on disposable domains, suggesting a link farm or redirector infrastructure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
Heuristics 9
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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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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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Brand-impersonation credential phishing lure critical SE_BRAND_CREDENTIAL_PHISHDocument impersonates a well-known consumer brand and uses account-security / verification language ('unusual activity', 'account on hold', 'verify your account') to steer the reader to a credential-harvesting link. Corroborated by: action link to abused redirector https://nixotebiwozo.weebly.com/uploads/1/3/4/6/134667174/1175459.pdf.
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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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Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LUREDocument gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
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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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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://leonvi.ru/strik?utm_term=how+to+reset+dish+receiver+password PDF link annotation
- https://nixotebiwozo.weebly.com/uploads/1/3/4/6/134667174/1175459.pdfIn PDF document text
- http://bavedibigilomit.66ghz.com/akuntansi_keuangan_syariah.pdfIn PDF document text
- https://cdn.sqhk.co/rukugewul/iiijdSL/free_bitcoin_cash_blockchain_wallet.pdfIn PDF document text
- https://dawopurasujup.weebly.com/uploads/1/3/0/7/130775219/kimuzatir.pdfIn PDF document text
- https://cdn.sqhk.co/lojibuwe/iaibhba/xirobiwogukatosugoxuguk.pdfIn PDF document text
- https://jupuwova.weebly.com/uploads/1/3/1/4/131409597/norizanova-vafatakejozu-buniko.pdfIn PDF document text
- http://vozobatenaw.mywebcommunity.org/tesimorotidudukabel.pdfIn PDF document text
- http://kajipim.mypressonline.com/31004211511.pdfIn PDF document text
- https://vijudapakov.weebly.com/uploads/1/3/4/6/134677764/jezojuzeza-wusosirelaluwe.pdfIn PDF document text
- https://jegagevo.weebly.com/uploads/1/3/4/1/134109204/0f495e05.pdfIn PDF document text
- http://pobesegu.scienceontheweb.net/90640186697.pdfIn PDF document text
- https://cdn.sqhk.co/tunixomaj/jQKVjbM/megirutawarego.pdfIn PDF document text
- http://dapovevi.mywebcommunity.org/30892908398.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://uploads.strikinglycdn.com/files/fe79e5f7-0937-4763-9a03-217c6faf79a8/philips_voice_tracer_dvt2510_instructions.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/6c65e409-824e-49b1-ab47-8cfc4705c844/how_much_is_a_hotspot_from_verizon.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/a20682d3-ab10-423f-b836-516eabb18e8b/xfinity_x1_box_settings.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/8d9cff20-93df-48fe-ab55-06e875f79754/att_trail_camera_data_plans.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/b47ff230-54ac-4ed4-8c8d-8394104a8e5b/what_are_some_disadvantages_of_mobile_technology.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/2ce9a56b-d60d-4321-aae3-4e8ef45f2d7d/pedino.pdfIn PDF document text
- http://radulamuwufudez.epizy.com/57429673850.pdfIn PDF document text
- http://nevafofuvabovid.atwebpages.com/present_and_past_tenses_exercises_with_answers.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/fd00005b-76e9-4ce1-b30a-9454348bcc39/are_siemens_hearing_aids_good.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 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f25a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF25A | 5240 bytes |
SHA-256: f5268afa29a6a0d009f805969b4a1299af2d27fbab0a3f9656c695be4d380915 |
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font_01_sfnt_off0001043b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1043B | 10896 bytes |
SHA-256: ac6cd0f8286a05bbbcedf0c99d0510b3bc62ce8006daac8fad6d9790e3d5a310 |
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