MALICIOUS
214
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was flagged by multiple critical heuristics as a malicious redirector and link farm. It contains numerous embedded URLs, with at least one pointing to known malicious infrastructure. The primary malicious URL identified is https://traffmen.ru/strik?utm_term=homeschool+meme+video, which likely serves as a gateway to further malicious content or phishing pages. The presence of many external PDF links suggests an attempt to manipulate search engine results or distribute more malicious files.
Machine Learning
- Nyx PDF Classifier malicious score 0.9886
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://traffmen.ru/strik?utm_term=homeschool+meme+video
- https://cdn-cms.f-static.net/uploads/4501656/normal_5fbd54f768ef6.pdf
- https://buzowoxeferoxo.weebly.com/uploads/1/3/4/6/134662453/zopekapa.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://s3.amazonaws.com/muvemasoxaji/nietzsche_aphorisms_on_love_and_hate.pdf
- https://uploads.strikinglycdn.com/files/ae46c6fb-8e92-44cb-a00a-babbbfeb4839/13267451710.pdf
- https://s3.amazonaws.com/gedimuta/40268122430.pdf
- https://uploads.strikinglycdn.com/files/a0fab0d0-c56d-4b24-9a4c-1e0af8f0ec7d/nobebuxarebizijuzererib.pdf
- https://uploads.strikinglycdn.com/files/954ade7c-64c1-4d0a-afce-dc6dddb28ad4/38002719205.pdf
- https://uploads.strikinglycdn.com/files/d2340e76-ceb9-42ca-9ecd-8d2b75a9ad50/najekigububumasikito.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_off0000c894.binccad0256440be0866bf95e83bf65c2abf488f5e779264255aeb3aa0c668a890f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC894 | 4892 bytes |
font_01_sfnt_off0000d915.bin75bede6c28f8586c055d5c5bc722aaf4d1734cabadbe48b9e5e3d997c61fd9af |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD915 | 10380 bytes |
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