Malicious PDF — malware analysis report

Static analysis result for SHA-256 06ad6c706b5ed6de…

MALICIOUS

PDF

70.7 KB Created: 2020-11-25 09:36:33 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 0289ebb4a08dc3323938c12b1f07f3e1 SHA-1: d468479b08f9ea9bb036628ca307477fff0acc8a SHA-256: 06ad6c706b5ed6de6e7e26e48226fa43d145cb723172b52f81b339f4bca19c55
96 Risk Score

Malware Insights

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

The PDF file contains an embedded URL that redirects to a suspicious domain, likely as part of a phishing or malware distribution scheme. The ML classifier and ClamAV detection strongly indicate malicious intent. Although no scripts were explicitly extracted, the PDF structure and embedded URI suggest it's designed to trick users into visiting a malicious site.

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/strik?utm_term=electronegativity+of+carbon+and+oxygen
    • https://paxesejok.weebly.com/uploads/1/3/4/3/134348383/5255167.pdf
    • https://fineruliji.weebly.com/uploads/1/3/4/3/134313455/3818815.pdf
    • https://vamewufu.weebly.com/uploads/1/3/4/3/134317042/2636200.pdf
    • https://jezafemobad.weebly.com/uploads/1/3/1/3/131383748/zubofapamotopuzosuju.pdf
    • https://tibefuwejar.weebly.com/uploads/1/3/4/3/134332688/0fc2fa5b125.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • http://www.daltonmaag.com/
    • https://uploads.strikinglycdn.com/files/bc745ab1-e0e7-400e-b417-46b04764e060/42612650433.pdf
    • https://s3.amazonaws.com/donarepemi/finance_budget_2018_india.pdf
    • https://s3.amazonaws.com/fefurorobumi/javelin_weapon_range.pdf
    • https://s3.amazonaws.com/bolovopizonuki/funny_unanswered_questions_reddit.pdf
    • https://uploads.strikinglycdn.com/files/5fe13af8-41e5-4d3e-8a4a-4fd7ff91e531/mo_dao_zu_shi_anime_sub_espaol.pdf
    • https://s3.amazonaws.com/bubisifapagefe/tanojefiv.pdf
    • https://s3.amazonaws.com/kukazowox/3199852619.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.

FilenameKindSourceSize
font_00_sfnt_off0000c997.bin
bd435e788c24c16e577839837aa47334d481d2f5d23c8f5efb9d27d3ea7ad860		 pdf-font-stream PDF embedded font (sfnt) at offset 0xC997 5124 bytes
font_01_sfnt_off0000db18.bin
a77ea1a111bc9417d4f58fad91482f180336700e5892da944304c47632b440ba		 pdf-font-stream PDF embedded font (sfnt) at offset 0xDB18 10964 bytes
font_02_sfnt_off00010011.bin
1062cd8ddf90f4344fa193b395386d5669df1a952e5759311ca261a71931f361		 pdf-font-stream PDF embedded font (sfnt) at offset 0x10011 4324 bytes

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