MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains numerous external links, identified as a link farm, with one prominent URL pointing to 'trafffe.ru'. The ClamAV detection and ML classifier strongly indicate maliciousness, specifically classifying it as a phishing trojan. The presence of embedded URLs and the structure suggest an attempt to redirect users to malicious sites, likely for phishing or to download further payloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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://trafffe.ru/aws?utm_term=beginner+classical+piano+sheet+music+free
- https://cdn-cms.f-static.net/uploads/4416304/normal_5f9c4028e8231.pdf
- https://jipemovikeral.weebly.com/uploads/1/3/4/0/134012889/lijexorigasoneg-silax-vupar.pdf
- https://cdn-cms.f-static.net/uploads/4365591/normal_5fa203bf74bd5.pdf
- https://subegudikowezi.weebly.com/uploads/1/3/4/4/134476363/3737974.pdf
- https://vodiwisilob.weebly.com/uploads/1/3/2/6/132681054/zunisexufudezo.pdf
- https://cdn-cms.f-static.net/uploads/4390999/normal_5f91dc1e05426.pdf
- https://xenolonaloku.weebly.com/uploads/1/3/4/4/134458783/3415460.pdf
- https://cdn-cms.f-static.net/uploads/4365539/normal_5fa5edbf57745.pdf
- https://jatorogerujew.weebly.com/uploads/1/3/2/7/132710569/5650151.pdf
- https://sozejelef.weebly.com/uploads/1/3/4/6/134600180/1715257.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://uploads.strikinglycdn.com/files/78a2b6bc-b0af-4e8f-abd8-aa9c2c4a36a5/27945189663.pdf
- https://s3.amazonaws.com/badodemebo/bloons_td_battles_apk_mod.pdf
- https://uploads.strikinglycdn.com/files/7a755ab7-441c-446d-9d68-501ab03b6e8f/royal_oaks_elementary_woodbury_mn_home_page.pdf
- https://s3.amazonaws.com/gozifep/btc_marksheet_format.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_off0000d1e8.bin3eb4f3d7cc50f20bf1614196c693303010ca8d672b5a5d9c653c397577f14095 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD1E8 | 5480 bytes |
font_01_sfnt_off0000e46c.bin47399c96afe56f48de8ec9ba62495674bd11814e8f8d3a2c6d2ee7b7bd1f6a12 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE46C | 10516 bytes |
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