MALICIOUS
214
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file contains a large number of embedded links, many of which point to external PDF documents, suggesting a link farm or redirection strategy. One critical heuristic identified a link to known malicious redirector infrastructure, indicating a potential phishing or malware distribution attempt. The ML classifier and ClamAV detection further support the malicious nature of this file.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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://gettraff.ru/123?keyword=armitron+40+8322+manual
- https://cdn-cms.f-static.net/uploads/4365576/normal_5f873ffabee49.pdf
- https://kuvofexe.weebly.com/uploads/1/3/1/1/131163751/zisedobaronux.pdf
- https://cdn-cms.f-static.net/uploads/4365542/normal_5f8747420149b.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://uploads.strikinglycdn.com/files/241927f5-1171-452c-8a6a-01ba6dc55c46/freezer_burn_ice_cream_while_pregnant.pdf
- https://uploads.strikinglycdn.com/files/e28ca107-9144-4958-bf6c-82f1bda1c10c/resident_evil_revelations_bp.pdf
- https://uploads.strikinglycdn.com/files/d61e451c-a82b-4ff1-b19d-82005816d4c7/amazon_prime_family.pdf
- https://s3.amazonaws.com/patotale/35765072533.pdf
- https://uploads.strikinglycdn.com/files/73b0d3a3-e190-452e-9525-23a7fab37e73/78138974396.pdf
- https://uploads.strikinglycdn.com/files/fe6b7c47-fb57-4952-bfdc-7989e1990d7c/keurig_compact_instruction_manual.pdf
- https://s3.amazonaws.com/daniwodug/begede.pdf
- https://uploads.strikinglycdn.com/files/baf9f206-ade4-4c3d-96e5-9c30452f2365/smart_10_balance_wheel_manual.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_off0000c270.bin7a989d1cac8c49781961e14f2cfba8846d66a30dcd80f4ca384c4ef784dce3e9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC270 | 5360 bytes |
font_01_sfnt_off0000d49a.bin28385f87374c96c8897a7275d28c9059bf4ae14a84c0ee69a5d7c8f7241c3b9e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD49A | 10812 bytes |
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