MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous external links, identified as a link farm by heuristics. ClamAV and ML classifiers also flagged this file as malicious, specifically as a phishing trojan. The primary attack pattern involves directing users to a network of other PDF documents, likely for malicious redirection or SEO abuse.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 5
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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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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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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://soxebez.ru/wix?keyword=ventajas+y+desventajas+de+la+quimica+organica
- http://3203epworthcres.com/batirug15zp.pdf
- https://static.s123-cdn-static.com/uploads/4385421/normal_600356e0acb4d.pdf
- https://static.s123-cdn-static.com/uploads/4373788/normal_5ff442a28d7b1.pdf
- https://cdn-cms.f-static.net/uploads/4426270/normal_60310052c8d72.pdf
- https://cdn-cms.f-static.net/uploads/4403820/normal_601e843dbe67f.pdf
- https://cdn-cms.f-static.net/uploads/4420761/normal_602ff302756e2.pdf
- https://nefopenexa.weebly.com/uploads/1/3/0/7/130739549/xerapitokerel.pdf
- https://xududegugi.weebly.com/uploads/1/3/1/6/131636960/e8b1c06.pdf
- https://kokarino.weebly.com/uploads/1/3/5/2/135299240/vowixubosokejiweteg.pdf
- https://kelesidudukakub.weebly.com/uploads/1/3/5/3/135340861/4909594.pdf
- http://how2clever.com/sekorekoberenapam6jc93.pdf
- https://cdn-cms.f-static.net/uploads/4486984/normal_600b140a596ac.pdf
- http://keysecret.ru/is_parallel_parking_on_the_driving_test_in_ga0y81m.pdf
- https://javekekowunafot.weebly.com/uploads/1/3/5/3/135324960/bamulal.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000dfd0.binc851a9eff356497954cdcb7760d96d3ca5542f759d0f410bfbf59aeeaff50e96 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDFD0 | 5588 bytes |
font_01_sfnt_off0000f2cb.bin6082ac28390fe5a8f57ba3438054864f0e8fad4ccfe98b66f6a729cd541028aa |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF2CB | 11764 bytes |
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