MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains a large number of external links, suggesting it's part of a link farm or phishing campaign designed to redirect users to potentially harmful websites. The presence of embedded URLs and the PDF_SEO_LINK_FARM heuristic strongly support this attack pattern.
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://trafftec.ru/aws?utm_term=chm+help+file+creator+free
- https://cdn-cms.f-static.net/uploads/4368735/normal_5f990ceec08b5.pdf
- https://kolapudavuvoxe.weebly.com/uploads/1/3/4/3/134315715/a7feac477126.pdf
- https://jikajulimag.weebly.com/uploads/1/3/4/3/134319013/werugipe.pdf
- https://cdn-cms.f-static.net/uploads/4366647/normal_5f895e155afac.pdf
- https://cdn-cms.f-static.net/uploads/4374196/normal_5fab5fe65eb7f.pdf
- https://cdn-cms.f-static.net/uploads/4392649/normal_5f90b6497f1dc.pdf
- https://jawowigo.weebly.com/uploads/1/3/0/7/130774982/ea123e1ee.pdf
- https://razulusajo.weebly.com/uploads/1/3/4/4/134467314/modewozosej-suwotudonoviwu.pdf
- https://cdn-cms.f-static.net/uploads/4369626/normal_5f93d55562a9e.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://uploads.strikinglycdn.com/files/73bd0edf-3649-474c-ac33-bdbc477ef22e/biology_keystone_review_packet_answer_key.pdf
- https://uploads.strikinglycdn.com/files/2213f48a-79e9-471d-9efd-67ed1893df04/words_with_shim.pdf
- https://uploads.strikinglycdn.com/files/749e0667-6cf8-4492-8043-b91fc2734369/smcr_model_of_communication.pdf
- 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_off0000c101.bin7481920e9f76c6580bee5dd7d2497b851906d85ac3c9b22f236015ad5515c332 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC101 | 4980 bytes |
font_01_sfnt_off0000d1c6.bin38bdefdbe8c47b14829a522640c8a164f47fc5e6c5998e470d2859ce10be98b3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD1C6 | 10780 bytes |
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