MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was identified as malicious by ML classifiers and ClamAV, indicating a phishing or trojan threat. It contains a large number of external links, many pointing to PDF files, suggesting a link farm or SEO poisoning tactic. The primary malicious URL observed is trafftec.ru, which is likely used to host or redirect to further malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
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-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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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://trafftec.ru/123?utm_term=trigonometric+function+worksheet
- https://tefufujilidawa.weebly.com/uploads/1/3/4/5/134578337/dezikosofedun-tizural.pdf
- https://lesavudipuvu.weebly.com/uploads/1/3/4/3/134338744/bimuwidezamedan_terebuvifew_fuxobeko_tajiruti.pdf
- https://fukobararusi.weebly.com/uploads/1/3/4/4/134404541/zuresigu.pdf
- https://munujagafunudo.weebly.com/uploads/1/3/0/8/130873736/7299529.pdf
- https://wefamojugibe.weebly.com/uploads/1/3/1/1/131164519/tilitelukodag.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://uploads.strikinglycdn.com/files/2e04321d-d3f0-45f3-87da-573ad8c6a3fc/memavajaf.pdf
- https://uploads.strikinglycdn.com/files/131c4f71-5674-465d-94fb-633e38365c08/67563738975.pdf
- https://s3.amazonaws.com/vabemavuputenif/kamupotobubisufawuxe.pdf
- https://uploads.strikinglycdn.com/files/8e5fa4ce-5171-4cbf-9d01-ee1eae349ab4/yaarian_surjit_khan.pdf
- https://uploads.strikinglycdn.com/files/22361c22-6cdb-4308-b9af-c57a6a2caf76/world_record_for_google_dinosaur_game.pdf
- https://uploads.strikinglycdn.com/files/3b7de2be-9e86-4a1a-b2f1-21c8d6d5a1cb/4979370282.pdf
- https://s3.amazonaws.com/sodoxi/80940335604.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
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0001494a.binb6502279c544dd5b936f7c9d5ad7122b8a9943fc57387b5aeda11399ddd7627b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1494A | 5156 bytes |
font_01_sfnt_off00015ad0.bin6b16aaf63188192f2a6ed6d65c93fa6a8db5c9416c55f2466d0e349b76ee8493 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15AD0 | 12368 bytes |
font_02_sfnt_off000183f8.binf5c33ee07bea7cd32fbd6d7187728561cb8e33ef2c55140341304239d40392b9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x183F8 | 16060 bytes |
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