MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file was flagged by ClamAV as 'Pdf.Phishing.Trojan' and a machine learning classifier indicated a high probability of maliciousness. The heuristic 'PDF_SEO_LINK_FARM' indicates the presence of numerous external links, with one pointing to 'https://s3.amazonaws.com/jakujakula/29132300866.pdf', suggesting a tactic to distribute malicious content or phish users. The embedded URL 'https://trafftec.ru/aws?utm_term=imperative+form+french+changer' further supports the malicious intent.
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-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/aws?utm_term=imperative+form+french+changer
- https://sizukejagu.weebly.com/uploads/1/3/2/6/132681884/53940f43884d.pdf
- https://cdn-cms.f-static.net/uploads/4382772/normal_5f8e4893682c6.pdf
- https://cdn-cms.f-static.net/uploads/4408871/normal_5fae0de127178.pdf
- https://cdn-cms.f-static.net/uploads/4376854/normal_5faa3fa458859.pdf
- https://cdn-cms.f-static.net/uploads/4385850/normal_5fb6c09cc7248.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- http://www.daltonmaag.com/
- https://s3.amazonaws.com/jakujakula/29132300866.pdf
- https://s3.amazonaws.com/liwafo/tidubudubekiga.pdf
- https://s3.amazonaws.com/somamere/56414315956.pdf
- https://uploads.strikinglycdn.com/files/4e80bee0-2892-4b43-a76e-df95f13738e7/88349836029.pdf
- https://s3.amazonaws.com/pusolefosex/23739600565.pdf
- https://s3.amazonaws.com/tobobowu/autotask_psa_outlook_plugin.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000cd55.binbcb14118f35cf6828d39e42e0854d8b72ce2d6e828ee9832a8e573fb979ef80e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCD55 | 5004 bytes |
font_01_sfnt_off0000de24.bin14f04d377484ed7570396776cb393441909a811338adfeb71ee8727052035c16 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDE24 | 10600 bytes |
font_02_sfnt_off0001022d.bin9f355172d696dda274cac500966718f112ce76951f19577ac4888987ea6471b2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1022D | 4324 bytes |
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