MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9993
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://vilenefex.ru/123?utm_term=pearson+realize+algebra+1+answers PDF link annotation
- https://cdn.sqhk.co/rizavoxaje/jjnJcbj/roblox_unblocked_games_77.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4498392/normal_5fe2bafa367f1.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4484118/normal_6037807a9eedf.pdfIn PDF document text
- https://cdn.sqhk.co/bupedamarib/8jhKCFa/jugutupu.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4454672/normal_600a3ebe0ce97.pdfIn PDF document text
- http://inmyshtangen.xyz/1996_honda_vt_1100_c2_shadow_ace_specsxormm.pdfIn PDF document text
- http://hardcreditcheck.info/tulafatalefopemozo5aidr.pdfIn PDF document text
- http://cenderaoriginator.com/papilas_fungiformes_de_la_lenguaj8h6r.pdfIn PDF document text
- http://uaregroup.com/the_secret_owl_garden_picton_castles7tbx.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4415770/normal_605d833c350f0.pdfIn PDF document text
- https://cdn.sqhk.co/zururodi/ihjjcjd/traffic_racer_hack_game_download_apk.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4416671/normal_605bc00ca9d52.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4470553/normal_6030e02d2fd2e.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4386830/normal_605a57c0273d1.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://1e16f6d7-285b-4488-bf07-d3e24ac90e20.filesusr.com/ugd/417718_f0c6aa571d5d479b9bd814a379b92186.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/8eee5409-c3cc-42d2-93f6-45994fc2ce7f/41a4315-7d_logic_board.pdfIn PDF document text
- https://04934832-22f3-474e-96de-b9d593e92251.filesusr.com/ugd/f390e7_d78de84dce044764a4831b1de6f75102.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/a1e2f0f0-0ce2-4c0f-895a-d8dd153b5357/krav_maga_secret_techniques.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d8e926fa-0804-4117-9541-a7dd63524dfe/vemexuzak.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/794cb6f2-71de-4919-b630-bf8b7be41643/game_of_thrones_book_2_paperback.pdfIn PDF document text
- https://254b3b0b-79dc-4992-827c-fd4bb3db3178.filesusr.com/ugd/f515ca_b4b3fa90eb744d4995d4d3f2218c418b.pdf?index=trueIn PDF document text
- https://1e8c0764-4a0f-46ab-84a2-5f63a8a44928.filesusr.com/ugd/6a0acf_9b7f2a4b128f42fb92e4961d096bb47f.pdf?index=trueIn PDF document text
- https://26577e91-18e8-42c3-8e85-49dcca1d6605.filesusr.com/ugd/195787_a16023440bd1428f9f67fca899600333.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_off0000d482.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD482 | 5188 bytes |
SHA-256: 14aceaa7e4746da8451492a536bdd7a82a5129d5ee3ac75dc17b9d525f7e966f |
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font_01_sfnt_off0000e651.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE651 | 10368 bytes |
SHA-256: 13f97f00e6283f272c70146a69a73b3bfaa9f2ee8b3c549beae1e693b8e331de |
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