MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a large number of external links, a common tactic for link farms used to distribute malware or conduct phishing. Heuristics indicate a 'PDF_SEO_LINK_FARM' and 'PDF_SEO_DISPOSABLE_LINK_FARM', suggesting a malicious intent to redirect users. The ML classifier and ClamAV detection further support its malicious nature. While no scripts were explicitly extracted, the PDF structure and embedded URLs point towards a malicious redirection scheme.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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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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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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://seumenha.ru/strik?utm_term=fe+exam+dates+nj PDF link annotation
- https://cdn.sqhk.co/kewudomavave/gh6gdhh/89804851159.pdfIn PDF document text
- https://bovedadeno.weebly.com/uploads/1/3/4/3/134320630/9501d8ce.pdfIn PDF document text
- https://rojanudase.weebly.com/uploads/1/3/0/9/130969060/4067640.pdfIn PDF document text
- https://cdn.sqhk.co/vutowogipu/higjjm6/mozubabikaripobapeja.pdfIn PDF document text
- http://italysummer.fun/82395902129lkcvi.pdfIn PDF document text
- http://proita.fun/essay_samples_for_ielts_general_trainingmod51.pdfIn PDF document text
- https://vususutuf.weebly.com/uploads/1/3/4/6/134634118/xolamafusodopo.pdfIn PDF document text
- https://dalibigexewekef.weebly.com/uploads/1/3/2/7/132712129/f308274dc41.pdfIn PDF document text
- http://theplafond.xyz/why_is_my_milwaukee_battery_flashing_red_and_green2hhyb.pdfIn PDF document text
- https://cdn.sqhk.co/fixosotefe/ifmmhdn/fuvijuxibilomeliguruve.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/194ab54e-963c-477b-b7fe-310eb191c259/black_and_decker_20_volt_max_string_trimmer.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d24672f1-2c90-46fd-81f0-5ea5c3972123/how_to_flip_your_camera_on_iphone_video.pdfIn PDF document text
- https://1de4b56a-3309-4767-83a2-f1bb1ea7c594.filesusr.com/ugd/a6e5e9_c902dbbb976f4d608feefad3fb757ec4.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/0d4be786-94e2-4d77-9720-2cb46d9679cb/16049185435.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/b763780f-815c-44a2-bb59-7075c80df52c/10224858780.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/2e7f4c88-a5b6-4ce0-81a1-f3a31d663237/kifozuworitulum.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/7bfc48eb-2db1-459f-b281-c0ae5941b578/50407158247.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/30bd4f2a-8aa0-4019-b063-62abef2f1305/59821080768.pdfIn PDF document text
- https://84bd2c60-91d0-47b6-9565-6ae8a6593e58.filesusr.com/ugd/963627_f9333265ea1743808cd566e250210d5a.pdf?index=trueIn 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_off0000f095.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF095 | 4944 bytes |
SHA-256: d787b2f00c895f98ac0463b4e5169c62b42cc4bdd91baf135ad16182c8499470 |
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font_01_sfnt_off0001015b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1015B | 11380 bytes |
SHA-256: 25c25c4cab850b8d0d747a78ff343cd60a74c6739230eca253c792ab0a9e3095 |
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