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 0.9991
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://leonvi.ru/award?keyword=bloom+s+taxonomy+explained+pdf PDF link annotation
- https://zawasofolebu.weebly.com/uploads/1/3/4/9/134902788/6971513.pdfIn PDF document text
- https://sojetupeduxagi.weebly.com/uploads/1/3/1/8/131856567/pomevasizapakilur.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4369935/normal_6035b1d388716.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4448323/normal_603b6eb87d65c.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4374852/normal_600f3c395c5d3.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4387411/normal_5fd7798be9fe1.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4369164/normal_60110fdc5cc3e.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4426571/normal_601bc101aef78.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4372983/normal_6019bbd3d6cc7.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4382961/normal_603bfe6bca74a.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4470688/normal_6024ed892726a.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4383792/normal_6000467728e73.pdfIn PDF document text
- https://bojamexipuk.weebly.com/uploads/1/3/1/8/131871614/sefivojen-kagizibabimuseg.pdfIn PDF document text
- https://resusogid.weebly.com/uploads/1/3/5/3/135346187/ac0777b599a0804.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4468836/normal_600fde452976d.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4454990/normal_5fe31f86cb818.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://441dbedc-201a-49d7-bb2a-292980023e2b.filesusr.com/ugd/473728_945df2a7c541485287f5712525855e37.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/mefovu/77710709897.pdfIn PDF document text
- https://s3.amazonaws.com/wiwamoxamo/electric_renewable_energy_systems.pdfIn PDF document text
- https://36071b1a-d853-4ad1-bccf-0ed894d94038.filesusr.com/ugd/906e9f_0c7b865225d54c00a7b344e0c35574d8.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/xofalepelala/pakuwiza.pdfIn PDF document text
- https://b1c30c75-ab46-439a-884d-3836ae4b8a49.filesusr.com/ugd/2d1648_69935a60bfd0401897333bc906f29335.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/wanalovum/xixefalozab.pdfIn PDF document text
- https://8eccd3b7-fb20-4588-a5b5-4d8c58591879.filesusr.com/ugd/0e6328_c687a5681d5f498f89072072f5db55b4.pdf?index=trueIn PDF document text
- https://cda84be5-0c54-4c05-8389-97bb004c798d.filesusr.com/ugd/fa9f00_477be73679294d3f9e120a5b8b2f2eb4.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_off000138f2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x138F2 | 5308 bytes |
SHA-256: c0616e7ed22e52da2b2cea8aa3dc3ddedebbadfc1130b52d5312e7a9ff9a442e |
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font_01_sfnt_off00014b06.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14B06 | 11328 bytes |
SHA-256: 91b19a586d504531c3b889a420e2572239da00183486a7155a225239e8b8a7f0 |
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