MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a large number of external links, identified as a 'PDF_SEO_LINK_FARM' heuristic, pointing to various domains including 'trafffi.ru'. This suggests an attempt to create a link farm to direct users to potentially malicious content or phishing sites. ClamAV and ML classifiers also flagged this PDF as malicious, specifically as a phishing trojan.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
Heuristics 5
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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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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/aws?utm_term=vimeo+video+editor+free
- https://bemisudo.weebly.com/uploads/1/3/4/7/134754710/tibutavutuxagav.pdf
- https://lixobanifalito.weebly.com/uploads/1/3/4/4/134443724/8214023.pdf
- https://revafabeku.weebly.com/uploads/1/3/4/7/134708131/kuzuve.pdf
- https://tolajugim.weebly.com/uploads/1/3/4/6/134647220/53f2ed7.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://uploads.strikinglycdn.com/files/1b337d1c-a7cd-4a01-89ac-74a5d77f53a3/jinekusisatijomalamo.pdf
- https://uploads.strikinglycdn.com/files/f675d8ff-3eff-47da-ac0d-48af9ce75f69/bully_pc_download_highly_compressed.pdf
- https://uploads.strikinglycdn.com/files/3c97dc98-2141-40cb-b557-115ae8351892/komirobizefeliviviroxevo.pdf
- https://uploads.strikinglycdn.com/files/edc46613-ba04-426e-bf76-6fa3220f7f22/18534390049.pdf
- https://static1.squarespace.com/static/5fc10304b8467722f1d4df02/t/5fd155139d79d86a998ebb0c/1607554324749/xanosu.pdf
- https://uploads.strikinglycdn.com/files/a27d9a7d-8105-4477-97e7-b83ce2158817/87942772004.pdf
- https://uploads.strikinglycdn.com/files/11a05da8-825f-4183-9ec8-a27da9d5ed5e/41430057525.pdf
- https://uploads.strikinglycdn.com/files/7d563f71-b328-453e-9566-b580b953b433/fragmentos_de_obras_de_teatro_famosas.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_off0000e2cf.bin045dd67b8cd59a5756292635af671277848cad5d7331a319c5f5d2813372b10d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE2CF | 4656 bytes |
font_01_sfnt_off0000f29d.bind17c5712e3b160a278eb8e0ba8379e727995e14e23b82263a0ecb0b122352c79 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF29D | 10572 bytes |
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