MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
T1203 Exploitation for Client Execution
This PDF file was flagged by multiple heuristics, including a critical ClamAV detection for 'Pdf.Phishing.Trojan' and an ML classifier indicating high maliciousness. It contains a mass of external links, with one pointing to 'https://traffking.ru/123?utm_term=project+samples+on+claims+adjudication', suggesting a phishing or malware distribution attempt. The presence of numerous PDF links and the 'SE_INVOICE_LURE' heuristic indicate a social engineering tactic to trick users into clicking malicious links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 6
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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-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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Fake invoice / payment lure low SE_INVOICE_LUREDocument contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
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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://traffking.ru/123?utm_term=project+samples+on+claims+adjudication
- https://cdn-cms.f-static.net/uploads/4469640/normal_5fb309399ea21.pdf
- https://zadisoro.weebly.com/uploads/1/3/4/5/134525292/5266593.pdf
- https://cdn-cms.f-static.net/uploads/4453528/normal_5fad58a08bc6f.pdf
- https://cdn-cms.f-static.net/uploads/4420602/normal_5f9c212fc5cd8.pdf
- https://widobane.weebly.com/uploads/1/3/4/3/134340358/f8b2252aa.pdf
- https://cdn-cms.f-static.net/uploads/4480753/normal_5fa74a67a81a2.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://s3.amazonaws.com/ritoma/spectrometer_practical.pdf
- https://s3.amazonaws.com/jukezeluf/pozevikajasobu.pdf
- https://uploads.strikinglycdn.com/files/cf558a34-df4b-456f-b6d0-3aa634fbae02/50893855963.pdf
- https://uploads.strikinglycdn.com/files/d01723e0-0eb9-48d0-9d5a-c0bc8d3b70ba/taribavivifes.pdf
- https://uploads.strikinglycdn.com/files/c52cf899-168e-4cb5-9863-99de4fc090b7/fuworopiri.pdf
- https://uploads.strikinglycdn.com/files/bb479e51-e305-454d-a0b0-e06d284f6f09/ncvt_1_voltage_tester.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_off0000c88f.binb00830bc831eb13cd40f39ed5b8999ab49d0f8ddbbdb38a81278a3079100fd8d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC88F | 5296 bytes |
font_01_sfnt_off0000da79.bin3c43f7981ac3a21595cf754dd772ba2db73e7c9e9cc77388e915b81679ecbd16 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDA79 | 9976 bytes |
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