Malicious PDF — malware analysis report

Static analysis result for SHA-256 c9cb552043db74e8…

MALICIOUS

PDF

82.3 KB Created: 2021-07-17 07:02:49 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3)
MD5: 43a647d18530fc1e62419d0c7f26eb8e SHA-1: 62752c2d3f1205031f6bc87f92ddb03f74ce3835 SHA-256: c9cb552043db74e8da5bd6e8a56323f0c3bb9fdb88f6578f7156b6b4f680bb6f
96 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.8365

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://feedproxy.google.com/~r/razvivatel/yapz/~3/iXsW93xxTQA/square?utm_term=how+to+take+apart+xbox+controller
    • https://static1.squarespace.com/static/60bf69b23f3791685666e32d/t/60f246b1d9389f5e808311e0/1626490545774/fuzaxasomajigexerixerako.pdf
    • https://static1.squarespace.com/static/60bf6cad3a95e91b59aa2418/t/60e9152366be7e490f0f1f1b/1625888036154/1800_seconds_to_minutes.pdf
    • https://static1.squarespace.com/static/60aac52a97a1d73ddacfe14c/t/60e8b953c0e666153b739ce8/1625864531628/kate_and_queen_elizabeth.pdf
    • https://static1.squarespace.com/static/60bf6c89a2b0b938881bcf91/t/60f20177b4d3bc79879ba2eb/1626472823808/questions_with_question_words_in_simple_past.pdf
    • https://static1.squarespace.com/static/60aac52a97a1d73ddacfe14c/t/60f166726e9a9a494aa7e102/1626433138671/44007290267.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://dejavu.sourceforge.net
    • http://dejavu.sourceforge.net/wiki/index.php/License

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000df07.bin
9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1		 pdf-font-stream PDF embedded font (sfnt) at offset 0xDF07 16792 bytes
font_01_sfnt_off0000f71e.bin
091acf20d58ba953579f10db0770ca0e22c9a7116bc4d63dfbddeb7237388989		 pdf-font-stream PDF embedded font (sfnt) at offset 0xF71E 10520 bytes
font_02_sfnt_off00010eff.bin
8a8a401e19d7b7d02816c45ad64696b5284079d643c3baa5889cf61829934a9c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x10EFF 17152 bytes

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