MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file was detected as malicious by ML classifiers and ClamAV, indicating a phishing or malware distribution intent. It contains numerous external URIs, with a notable one pointing to 'trafftec.ru', suggesting it acts as a link farm to redirect users to potentially harmful sites. The presence of embedded URLs and the 'PDF_SEO_DISPOSABLE_LINK_FARM' heuristic further support this conclusion.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 5
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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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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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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/aws?utm_term=changomas+formosa+circuito+5
- https://cdn-cms.f-static.net/uploads/4365545/normal_5f889d16d9e8f.pdf
- https://bizevino.weebly.com/uploads/1/3/4/3/134320064/kifuwukepoxuv_popoxamapox.pdf
- https://widuboxizivibib.weebly.com/uploads/1/3/4/3/134315701/zefejej_zaraxulofe_xazotasogelogu.pdf
- https://pobezewimo.weebly.com/uploads/1/3/2/6/132681951/5c2ffe9740e.pdf
- https://juwememuju.weebly.com/uploads/1/3/4/5/134523402/gebegaxakudi.pdf
- https://sabovewedasujak.weebly.com/uploads/1/3/4/4/134493104/tipiraw-savonafoluw-ravanowatutobu-neradasaxa.pdf
- https://cdn-cms.f-static.net/uploads/4475852/normal_5fbd24340bbf3.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://uploads.strikinglycdn.com/files/f45d4654-1deb-40ce-9ba5-e96f8d5ae3de/mamalasoduja.pdf
- https://s3.amazonaws.com/nijudow/luray_caverns_discount_giant.pdf
- https://s3.amazonaws.com/dotivaf/10161880011.pdf
- https://s3.amazonaws.com/salade/nukewi.pdf
- https://uploads.strikinglycdn.com/files/1324e329-81ec-4410-9131-a2bbcf70b707/72255433854.pdf
- https://uploads.strikinglycdn.com/files/ae8c89fc-1bc7-4c35-a8a4-afbdbb034b21/6935519823.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_off0000cde3.bin69d84fbccb28af5905146f4f5aeac0b847727a45ea6675062fb31b30849e64d3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCDE3 | 5292 bytes |
font_01_sfnt_off0000dfbd.binedcd7caf125ac7c745f8222e822ded48315c83ebdd1a8231dd5ace4a99c7543c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDFBD | 11784 bytes |
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