MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains a malicious redirector link that masquerades as a download for a messenger application. This link, `https://cctraff.ru/wb?keyword=messenger%20apk%20older%20version`, is flagged as malicious and likely leads to a phishing or malware download site. The ML classifier and ClamAV detection strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 4
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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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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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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/wb?keyword=messenger%20apk%20older%20version In PDF document text
- https://cdn-cms.f-static.net/uploads/4380213/normal_5f8ebd4036822.pdfIn PDF document text
- https://luvuzinek.weebly.com/uploads/1/3/4/5/134502649/8c60a67.pdfIn PDF document text
- https://kukotefuses.weebly.com/uploads/1/3/1/6/131637352/ec8752b2c222.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4370074/normal_5f91a28447941.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4415930/normal_5faacf9f3f544.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4407983/normal_5f9815700261b.pdfIn PDF document text
- https://bufasadapigeze.weebly.com/uploads/1/3/4/3/134307931/a01176bcaa6e.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4402963/normal_5f93c3a9406bf.pdfIn PDF document text
- https://zopojidiluze.weebly.com/uploads/1/3/4/3/134361294/fadamixatip.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://uploads.strikinglycdn.com/files/84a0a180-df8f-46a8-aefd-89b9fed4a2e2/duluriwibetisuliwigaga.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/60f8c979-1ad8-40fd-9a0a-1d5ff05b64e5/pitch_perfect_streaming_vf.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_off0000bd12.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBD12 | 5256 bytes |
SHA-256: 4b2f2f373562586fa38c651e3dde6ef891769b5a94ae51bc7f612304a1cbcf1c |
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font_01_sfnt_off0000cf14.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCF14 | 11224 bytes |
SHA-256: edff46a4b13766d75a9891b0decc1a062ca2207427201c06b511efac4230b5cd |
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