MALICIOUS
214
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains embedded links that redirect to known malicious infrastructure, as indicated by the PDF_MALICIOUS_REDIRECTOR_LINK heuristic. The PDF_SEO_LINK_FARM heuristic further suggests a pattern of creating numerous links to potentially malicious content. The ML_NYX_PDF_MALICIOUS and CLAMAV_DETECTION heuristics confirm the malicious nature of the file, classifying it as phishing or a trojan.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
Heuristics 5
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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
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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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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://cctraff.ru/strik?utm_term=mosquito+helicopter+2+seater+for+sale
- https://zasuzepomuban.weebly.com/uploads/1/3/4/6/134627511/a4d416d9adb840.pdf
- https://cdn-cms.f-static.net/uploads/4386354/normal_5f8e550cf05c3.pdf
- https://cdn.sqhk.co/wupifufexix/dMgiw8B/starz_movies_april_2020.pdf
- https://cdn-cms.f-static.net/uploads/4469634/normal_5fb7859a846bf.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://uploads.strikinglycdn.com/files/d36803c9-3b19-41fc-bd2c-06d765af2ac1/51376898208.pdf
- https://uploads.strikinglycdn.com/files/043bf6c1-aa5d-4149-ad27-560768ad3a6b/scindo_prime_build_2018.pdf
- https://uploads.strikinglycdn.com/files/0c782d41-2544-4f0a-9ade-44d38ca59a3a/93281263717.pdf
- https://uploads.strikinglycdn.com/files/d8f97278-97b8-4025-89e2-944c97754b7c/filmes_mega_hd.pdf
- https://uploads.strikinglycdn.com/files/1d022950-62a5-4495-b2a1-034c64959dcc/story_of_seasons_trio_of_towns_guide_book.pdf
- https://uploads.strikinglycdn.com/files/8d6371f9-1edb-4092-8bd3-9b2c97eddc52/1172082960.pdf
- https://uploads.strikinglycdn.com/files/cf77bdad-c222-47a1-8185-d17c3d006d3c/28392157996.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_off0000b2dd.bin8730c1a613a6e289fe6397f7cab83de7e973e3d4245c73ba370be5c4b3eab29c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB2DD | 5368 bytes |
font_01_sfnt_off0000c52c.bin3f5de40c4de3075e8bc709c8fd3afb26bfa542a903282730a02851fe7ce586c7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC52C | 10576 bytes |
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