MALICIOUS
244
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was flagged as malicious by multiple heuristics and an ML classifier, indicating it is likely a phishing or spam distribution document. It contains a large number of embedded URLs, many pointing to disposable hosting services, suggesting a link farm designed to manipulate search engine results or distribute further malicious content. One critical heuristic identified a link to known malicious redirector infrastructure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 6
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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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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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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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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=chapter+8+biology+study+guide+answer+key In PDF document text
- https://natizupasa.weebly.com/uploads/1/3/1/4/131437725/0f22748d1392.pdfIn PDF document text
- https://zemovawid.weebly.com/uploads/1/3/4/6/134608463/02329dfc.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4366655/normal_5f93781f1bfe7.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4370062/normal_5f8fb23dc0a45.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4421776/normal_5faa58fecaa89.pdfIn PDF document text
- https://fusefediwotedi.weebly.com/uploads/1/3/4/5/134589876/165ca.pdfIn PDF document text
- https://gafixipen.weebly.com/uploads/1/3/4/4/134444756/3abfc94.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4366055/normal_5f8c4764cf2d8.pdfIn PDF document text
- https://nibuxapevu.weebly.com/uploads/1/3/4/6/134601724/01e3914b68a799e.pdfIn PDF document text
- https://dokodajibebabek.weebly.com/uploads/1/3/2/3/132302773/narapopoxelix-wamisemovibila-romaxozusulexi-wuxiwamum.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4371013/normal_5f8874ab878a6.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4383450/normal_5fa5c2ab349d4.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4413375/normal_5f95bee649fed.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://s3.amazonaws.com/mijedusovineti/que_es_un_registro_anecdotico.pdfIn PDF document text
- https://s3.amazonaws.com/nosepevozux/49478945448.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/2dc1d8d2-89f9-4016-a6d3-efd92e6154e3/84413760847.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
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000b657.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB657 | 5720 bytes |
SHA-256: 68beba787630102993c8eb9bbcea4925aa58395abc01fc46e0d66594f2d79c7a |
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font_01_sfnt_off0000c9cc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC9CC | 9612 bytes |
SHA-256: ec38b411cce63acd4394cbab00b29bac619396f5fbd7ba2647cd20c92b5f877a |
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font_02_sfnt_off0000eafb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEAFB | 18744 bytes |
SHA-256: 9fc644f2d816a67c3233beff74f46b42b6da6ca37cd31032c5186ddbec3edbe3 |
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