MALICIOUS
226
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains a large number of external links, many pointing to disposable hosting, suggesting a link farm designed to redirect users to potentially harmful content. The presence of 'spearfishing' in one of the URLs further supports a phishing or malware distribution attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 7
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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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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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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://traffine.ru/strik?utm_term=shark+attack+spearfishing+3d+model PDF link annotation
- https://cdn-cms.f-static.net/uploads/4477155/normal_5fd29cff8996f.pdfIn PDF document text
- https://vudivopaf.weebly.com/uploads/1/3/4/8/134876542/7e457cc4ab2a1e.pdfIn PDF document text
- https://gonoloxezejuje.weebly.com/uploads/1/3/1/4/131410007/13258.pdfIn PDF document text
- https://sabuzirovapun.weebly.com/uploads/1/3/0/8/130813511/pemisomotezox_wepomu_vonef.pdfIn PDF document text
- https://tujebikofo.weebly.com/uploads/1/3/4/3/134359874/todanixukoj.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4403824/normal_5fd1033f029a0.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4404528/normal_5f928ecec779f.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4465694/normal_5fc1bf703a264.pdfIn PDF document text
- https://lixezakokigek.weebly.com/uploads/1/3/4/5/134596317/2276623.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4403676/normal_5fc3db30da3ab.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4377120/normal_5f9b66d1cd76b.pdfIn PDF document text
- https://vudivopaf.weebly.com/uploadsIn macro / runtime command snippet
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://uploads.strikinglycdn.com/files/8a0edc24-fea7-46a5-a357-23a8585d7efd/black_mens_curly_fade_haircuts.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/af7ceff9-cd26-48d0-b2c8-0bea6c9b8d32/oculus_rift_windows_7.pdfIn macro / runtime command snippet
- https://uploads.strikinglycdn.com/files/d4b85a98-cfb4-40e5-9873-8a80aecdb75c/82497632137.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_off0000ddb3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDDB3 | 5900 bytes |
SHA-256: ec8bfcb97829a10cf950f3fe156b7438f17dbc743bd172a9c6575468a5592ded |
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font_01_sfnt_off0000f1a3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF1A3 | 11064 bytes |
SHA-256: 981a7696c7736d70aca170d61a8504947e3aaa10a9523a2e9655f2ab213ccab8 |
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