Malicious PDF — malware analysis report

Static analysis result for SHA-256 fe7fae68cf923e39…

MALICIOUS

PDF

85.1 KB Created: 2021-07-12 20:33:35 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3)
MD5: 40a2e58db14ef1a6ec0f799a97e68cc3 SHA-1: 8e3bf0fc2ecb2e9cebe82bbfaa1e83d6e364ce19 SHA-256: fe7fae68cf923e394b31cb4e5eb916015a3a25cb2f23d6b4dc5e87473ab68d7d
66 Risk Score

Machine Learning

  • Nyx PDF Classifier clean score 0.1532

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/~3/4Ji06Fp1PxY/square?utm_term=three+types+of+nucleotides
    • https://static1.squarespace.com/static/60aac59fb7e9621e2f466549/t/60ec7a0cf89f8e700bf677ac/1626110476528/76736112403.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_off0000ed62.bin
9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1		 pdf-font-stream PDF embedded font (sfnt) at offset 0xED62 16792 bytes
font_01_sfnt_off00010579.bin
4facd0dc772dbe05077738f948dd0845be1f9ef032d4cf6631139653726d5cd2		 pdf-font-stream PDF embedded font (sfnt) at offset 0x10579 10732 bytes
font_02_sfnt_off00011e10.bin
1be0091aaa62c3e5f8317c0e1693bdd4e567ae0e0feda494d14db5a56754ea3b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x11E10 16536 bytes

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