MALICIOUS
174
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
T1203 Exploitation for Client Execution
The PDF document exhibits multiple high-risk heuristics, including ML classification and ClamAV detection as a phishing trojan. It contains numerous external URIs and employs link farming techniques, suggesting an attempt to distribute malicious content. The presence of a 'password-protected archive handoff' heuristic indicates a common tactic to bypass security filters by encrypting the payload, which is then likely delivered via one of the embedded URLs.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
Heuristics 7
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LUREDocument gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://botokaw.ru/award?keyword=pdf+password+cracker PDF link annotation
- http://lorenbayi.com/best_cfop_method_tutorialdeugs.pdfIn PDF document text
- http://begdas.fun/470838429693st4v.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4393499/normal_6009ac8ec7a4c.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4366959/normal_60240723bd5d1.pdfIn PDF document text
- http://firstflirts.site/xizidiliwikuxijixinugogmclcf.pdfIn PDF document text
- https://cdn.sqhk.co/xomakonezema/hfQWuib/40950948019.pdfIn PDF document text
- https://cdn.sqhk.co/lipebefaje/hjtzjaD/timavu.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4421614/normal_5fcacbf2cd733.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4498986/normal_601aef65a0085.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4373768/normal_602cf98402354.pdfIn PDF document text
- https://cdn.sqhk.co/goxobuve/2J1Liaa/bomb_jack_arcade_online.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4392215/normal_601d17a696ef3.pdfIn PDF document text
- http://instapriz.online/951544886089x517.pdfIn PDF document text
- https://cdn.sqhk.co/mojikeke/bfWDget/rubopozuxiguxawotebubeba.pdfIn PDF document text
- http://clipshd.design/systems_of_equations_elimination_method_worksheeta7g99.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4500893/normal_6046a4e42883c.pdfIn PDF document text
- https://cdn.sqhk.co/xubulozirod/ih3hhhc/jekopozobu.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://s3.amazonaws.com/wokesabisevo/tecnologia_medica_definicion.pdfIn PDF document text
- https://s3.amazonaws.com/xukonakefules/83068026377.pdfIn PDF document text
- https://s3.amazonaws.com/dudurat/72890236522.pdfIn PDF document text
- https://s3.amazonaws.com/wifukedot/flask_tutorial_python_3.pdfIn PDF document text
- https://s3.amazonaws.com/viwoxuz/17138432712.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/b52e3f2e-ba97-4c3f-b04b-0e5ad1b69663/28850612916.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/288c2ef1-1062-436b-a01e-53bcb6dfe3e7/augustine_confessions_summary_book_7.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_off0000e38f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE38F | 5272 bytes |
SHA-256: 149b5b1935fff71418a21bfc616ae3bd94382cc1bb1d02891c60ca1c58b5fda2 |
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font_01_sfnt_off0000f5ab.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF5AB | 10080 bytes |
SHA-256: a049116d89bcc1196ff5c06f352b40cde4c455bf702c81f24cb602ef252f5f4b |
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