Malicious PDF — malware analysis report

Static analysis result for SHA-256 070e60aad958d2b6…

MALICIOUS

PDF

79.0 KB Created: 2020-12-17 19:52:12 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-15
MD5: 3a10444b5d9505ab9f432c7d469f6fca SHA-1: 9d317f8be9ee060ea890e77f023d141109c92e73 SHA-256: 070e60aad958d2b6b452571e6cbd42095f2302f5458d84bd7e9de134179b202a
96 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

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

The PDF file was flagged by a machine learning classifier and ClamAV as malicious, with a high risk score. It contains an embedded URI pointing to 'traffine.ru', which is likely a phishing or malware distribution site. The document's metadata indicates it was generated by wkhtmltopdf, a tool often used to create PDFs from web content, suggesting it may have been constructed to mimic a legitimate document.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

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://traffine.ru/123?utm_term=oraciones+con+segun PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4368245/normal_5f89206946ab8.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4421333/normal_5fa532dadf7c8.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4371005/normal_5f95900801137.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4451033/normal_5fa4035bc9883.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4488556/normal_5fb9672fba53c.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.daltonmaag.com/In PDF document text
    • https://uploads.strikinglycdn.com/files/2ba2ebea-90a0-47e6-b051-f4d8e986639a/real_steel_2_full_movie_in_hindi_480p.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fc553500b6b03258f52b7d8/t/5fcb9183a0b42e3566aa52ff/1607176579596/99385271032.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fbce344be7cfc36344e8aaf/t/5fbd049345ca4f790267325d/1606222996239/parkside_trampoline_manual.pdfIn PDF document text
    • https://s3.amazonaws.com/gozilum/50169539401.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fc12a1c9698b02c7f224c6f/t/5fce4bdb0ab5d62feb215c4f/1607355356085/41986389095.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/96786592-cff2-4258-89b9-c700afb4df3f/pigojutazepu.pdfIn 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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000ea20.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEA20 4764 bytes
SHA-256: 1e853ccd45d7e18d4ba2acf6f3f7222e67e585210fcc4156db414bd5dd6a0d8d
font_01_sfnt_off0000fa52.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFA52 11464 bytes
SHA-256: d9f1e29c15d638d3a140a9fca60fe1c6c090bd17e086ca4d3fac18f1a5c618ef
font_02_sfnt_off00011f8e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x11F8E 4324 bytes
SHA-256: 1158d95dac44631f497756703988ba3645251422e7ff0015d3fca430225e7c3e

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