MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9817
Heuristics 5
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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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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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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://trafffi.ru/123?utm_term=world+politics+interests+interactions+institutions+study+guide PDF link annotation
- https://cdn-cms.f-static.net/uploads/4421341/normal_5f98edc07911f.pdfIn PDF document text
- https://kuxaxamolexude.weebly.com/uploads/1/3/4/8/134869233/6011966.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://uploads.strikinglycdn.com/files/6e876020-8d3a-4ccf-b6bf-043de49b303e/kekupisif.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/65811d23-4c8b-40ef-9521-7e4f5ec00eec/fufezojeveverewobum.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/c2f1a270-6cbe-4c0e-b4aa-79c08c32dfa4/roman_numerals_xo.pdfIn PDF document text
- https://s3.amazonaws.com/tometubufimopim/stinson_middle_school_website.pdfIn PDF document text
- https://s3.amazonaws.com/jinabisura/fezazamebunilubosa.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/2d906dbe-abe2-43f4-9909-f7592d6da135/65912357009.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000d8f7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD8F7 | 5240 bytes |
SHA-256: d3635958dedd29157e74d64a9e6ce119a259e04d44ba3d34142ccdd464b97a6e |
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font_01_sfnt_off0000eae4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEAE4 | 9760 bytes |
SHA-256: 3afd634c2d65904fd7945c1263fcc828844a6ccaa14d9a034fbe4ea801729fa1 |
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font_02_sfnt_off00010c37.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10C37 | 4324 bytes |
SHA-256: cd94ef65598b1866d0653cdd88243d989fd81359c0e770c2d3a4858f1c2f6d34 |
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