MALICIOUS
246
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
T1203 Exploitation for Client Execution
This PDF document was identified as malicious by ML classifiers and ClamAV, exhibiting characteristics of a phishing lure. It contains a link farm with multiple external URLs, including one that appears to be a search result for fixing keyboard issues, suggesting a pretext to drive traffic to potentially malicious sites. The heuristic 'SE_SECRET_RECOVERY_LURE' indicates the document may also attempt to solicit sensitive recovery information from users.
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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Recovery secret / private key request critical SE_SECRET_RECOVERY_LUREDocument requests recovery phrases, private keys, backup codes, or saved passwords. Requests for these secrets in a document are high-risk.
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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://zajinet.ru/strik?utm_term=how+to+fix+keyboard+keys+typing+wrong+characters+laptop PDF link annotation
- https://static.s123-cdn-static.com/uploads/4405650/normal_5feb645d3cfab.pdfIn PDF document text
- https://fazajamol.weebly.com/uploads/1/3/2/7/132740605/e0dd9bbb7b8.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4411512/normal_5ff10868ed923.pdfIn PDF document text
- https://cdn.sqhk.co/nowavutu/6hjicEI/nisuduroneregaxawep.pdfIn PDF document text
- https://cdn.sqhk.co/vafegijateno/arjjDgh/switch_pros_9100_install_tacoma.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4470552/normal_6011818384f9c.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4493245/normal_60631618b4697.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4403414/normal_6030e1e7a1a2f.pdfIn PDF document text
- https://tugofemupufere.weebly.com/uploads/1/3/4/5/134584107/xojurijakedowukeder.pdfIn PDF document text
- https://kukanoli.weebly.com/uploads/1/3/4/6/134641169/nujasimujebewuwofewe.pdfIn PDF document text
- https://sewizafisebe.weebly.com/uploads/1/3/1/4/131437566/bimabivenuzuwejilomi.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4467325/normal_60692797b9a88.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://8b5ac0f3-2bc4-49a6-9a99-2541af31b215.filesusr.com/ugd/f2ef67_d4ad64c5d8b7408bbde2c87c730e0845.pdf?index=trueIn PDF document text
- https://bee08bb6-d8c1-4cc5-89f0-d6ac88a4f64a.filesusr.com/ugd/8b8a1f_44fc3390d3e247798851c9eed13badfe.pdf?index=trueIn PDF document text
- https://2703069b-a6ff-4ff9-983c-db139a8d76ba.filesusr.com/ugd/8b61cf_9195e30c79ef41b8976dcdf3fcb760f5.pdf?index=trueIn PDF document text
- https://c18d9829-3add-4afa-bc87-35007fe3998a.filesusr.com/ugd/70c1ec_0042d8aee57444d7b8797d4e42fae794.pdf?index=trueIn PDF document text
- https://676a7a22-5bec-432e-92e0-9d4a0a27851c.filesusr.com/ugd/a1fb72_735baa07a85f4f409416f445b3f9a02e.pdf?index=trueIn PDF document text
- https://b1f0a730-f0e4-4bcf-918d-a915077b90d0.filesusr.com/ugd/a7c69d_e3885ef5bb2142dca9064447653d48b7.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_off00010b4f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10B4F | 5844 bytes |
SHA-256: a0e5619f9c88bd12be78a8b54ecfcc8e64892f4dc5672419549527cd333827b8 |
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font_01_sfnt_off00011f4e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11F4E | 11924 bytes |
SHA-256: 6021702de3a8f69eeb8ea8fb48095d61104647d28bd20789ebbbf0e724163b44 |
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