Malicious PDF — malware analysis report

Static analysis result for SHA-256 7819d8f5f55c9f12…

MALICIOUS

PDF

75.3 KB Created: 2021-07-18 14:45:49 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3)
MD5: 1421ba6cdcce4184d17c0023684a31f8 SHA-1: 215bfd6533e0a5d5522660a72cf4855a2e3a82d6 SHA-256: 7819d8f5f55c9f12799250b08baad6d8e97810ccc3b38c5c0f140df770ccc75a
96 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9163

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=the+oval+office
    • https://static1.squarespace.com/static/60aac5994c6b1805bc4acbdb/t/60f18e4d3c1e7b5ed8263cfe/1626443341417/23191369070.pdf
    • https://static1.squarespace.com/static/60bf6c89a2b0b938881bcf91/t/60ee54720981f36585a39a58/1626231923074/carl_and_rob_reiner.pdf
    • https://static1.squarespace.com/static/60bf69b23f3791685666e32d/t/60f0d00cadf71e7547c8402e/1626394636772/zozagatufux.pdf
    • https://static1.squarespace.com/static/60aac4e0d5abe22cec5c4b22/t/60ed75db37bee829a289c57c/1626174939572/660002930.pdf
    • https://static1.squarespace.com/static/60bf6c89a2b0b938881bcf91/t/60f1eb5845835164159dc54c/1626467160206/tirudokewejexaloviroduta.pdf
    • https://static1.squarespace.com/static/60bf6bff0d8d387fecc8b153/t/60f3a204c2d40e67ec0e8692/1626579460237/driving_conditions_today.pdf
    • https://static1.squarespace.com/static/60aac59fb7e9621e2f466549/t/60f3f0c08a396f1703a50a66/1626599617011/the_apostle_of_christ.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_off0000c9e3.bin
d884fc7dc4e5b9c7276d6929524d01d9d597990ba4398c866237db42bd317d6c		 pdf-font-stream PDF embedded font (sfnt) at offset 0xC9E3 9992 bytes
font_01_sfnt_off0000e031.bin
9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1		 pdf-font-stream PDF embedded font (sfnt) at offset 0xE031 16792 bytes
font_02_sfnt_off0000f843.bin
cfb45d8efa0e6ebb3f4a13db96f7ae1505fa6d8fa09bc5410c7a7c5f0f716c0e		 pdf-font-stream PDF embedded font (sfnt) at offset 0xF843 16036 bytes

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