Malicious PDF — malware analysis report

Static analysis result for SHA-256 cd91b201039f506c…

MALICIOUS

PDF

76.3 KB Created: 2021-07-15 16:18:21 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3)
MD5: be20d9ce36abcf8f68c202c3033928a3 SHA-1: 2531bcd94df85192b87bd5a3c9116239ae9c3f74 SHA-256: cd91b201039f506c0c38c88fb23bba3efc2cee280b516eca889bc7bc9ea1d3fa
96 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9125

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/sq/ugae/~3/iXsW93xxTQA/square?utm_term=cool+japanese+character+names
    • https://static1.squarespace.com/static/60bf6c89a2b0b938881bcf91/t/60f01577fdf15601434b7de6/1626346871870/christmas_vacation_quotes_aunt_bethany.pdf
    • https://static1.squarespace.com/static/60bf6bff0d8d387fecc8b153/t/60ec9b36e0914637f38d1b5a/1626118966119/torchwood_miracle_day_episode_2.pdf
    • https://static1.squarespace.com/static/60bf6cad3a95e91b59aa2418/t/60ee6280f6c772366d306d4a/1626235520978/wibikadisegaripobigudojif.pdf
    • https://static1.squarespace.com/static/60bf6bff0d8d387fecc8b153/t/60e9355c12fb7d0b2794150b/1625896284312/quick_and_easy_lasagna.pdf
    • https://static1.squarespace.com/static/60aac52a97a1d73ddacfe14c/t/60f015e1e9d3bc6103fe4de4/1626346977591/cota_positions_near_me.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_off0000c8ee.bin
5fdea8b8def8fe815c860b85dcdbef0c12fda91a02d85a71895c9173fc225229		 pdf-font-stream PDF embedded font (sfnt) at offset 0xC8EE 16948 bytes
font_01_sfnt_off0000f521.bin
ec095355f92234ce7046be33fd114cc50dfb12aa08e1f3af9fb19232b6ff052d		 pdf-font-stream PDF embedded font (sfnt) at offset 0xF521 10708 bytes
font_02_sfnt_off00010d9d.bin
9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1		 pdf-font-stream PDF embedded font (sfnt) at offset 0x10D9D 16792 bytes

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