Malicious PDF — malware analysis report

Static analysis result for SHA-256 c1c37ddac2977c87…

MALICIOUS

PDF

76.4 KB Created: 2021-01-10 13:26:14 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-05
MD5: eef3a58a12390d288f490fe2eef1a4e4 SHA-1: 0058f61e909de40a24bbe7e00ff5524e3b27ab8d SHA-256: c1c37ddac2977c879582cacab74fd013e12e68bd99abaeedf96ff2bee1b47ee6
96 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

This PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. It contains an external URI pointing to 'https://traffset.ru/123?utm_term=st+james+ecc+millstadt', which is likely part of a phishing or malware distribution scheme. The presence of embedded URLs further supports the malicious intent, suggesting the document is designed to redirect users to harmful content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • External URI info PDF_URI
    PDF contains an external URL action
  • Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
    The 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.
  • Embedded URL info EMBEDDED_URL
    One 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://traffset.ru/123?utm_term=st+james+ecc+millstadt PDF link annotation
    • https://cdn.sqhk.co/vafodagusun/aTjgUjj/zazubi.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4376371/normal_5fdc239b867ac.pdfIn PDF document text
    • https://site-1176407.mozfiles.com/files/1176407/wozitijoxak.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4383802/normal_5fb952192bdc3.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4427781/normal_5ff188b13023d.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4418985/normal_5fdb805bc67ff.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4403259/normal_5f9480b0998f1.pdfIn PDF document text
    • https://tavumake.weebly.com/uploads/1/3/2/7/132740551/bilorezelilawu_kekepi_ruvazevi_tukiriz.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4471513/normal_5fecc75340cd6.pdfIn PDF document text
    • https://cdn.sqhk.co/vavewiminiv/JhgigjP/74477778341.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4404727/normal_5fa4c21a7c75a.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4456663/normal_5fea020ba9dff.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4482860/normal_5fcbeccd6353e.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4484997/normal_5fc673552bf37.pdfIn PDF document text
    • https://ditiwudo.weebly.com/uploads/1/3/1/4/131452947/35e5210f1f313.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
    • http://purl.org/dc/elements/1.1/In PDF document text
    • http://ns.adobe.com/pdf/1.3/In PDF document text
    • http://ns.adobe.com/xap/1.0/In PDF document text
    • http://ns.adobe.com/xap/1.0/mm/In PDF document text
    • http://ns.adobe.com/xap/1.0/rights/In PDF document text
    • http://scripts.sil.org/OFLIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000ed6f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xED6F 5168 bytes
SHA-256: c0624c4f450676f6cd42486d572ee4edcf280eb1946a941444b9457cd6697505
font_01_sfnt_off0000fef0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFEF0 11052 bytes
SHA-256: 01fde15745ebed9385af9642fa25b882c22fd8e045e1588b651bc32b1d3a7368

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