Malicious PDF — malware analysis report

Static analysis result for SHA-256 60fc41be82dce780…

MALICIOUS

PDF

79.6 KB Created: 2021-07-16 20:53:33 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3)
MD5: 7aea4e67b0fe2b977aebebec6c97169d SHA-1: 152b0ea5454d8117d4f8f8cb7e50bf2772ea213d SHA-256: 60fc41be82dce7802e5eb9bae8a6ae2a8e92e7f31862cb8bcd1d86ab394d511a
66 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The ClamAV heuristic identified this PDF as 'Pdf.Phishing.Trojan', indicating a malicious intent. The presence of embedded URLs, even those marked as benign, suggests an attempt to redirect the user. While no scripts were explicitly extracted, the PDF structure and the heuristic firings point towards a phishing or malicious content delivery mechanism, likely initiated via spearphishing.

Machine Learning

  • Nyx PDF Classifier clean score 0.1551

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/~3/5JeRQhMeIYg/square?utm_term=odin+other+names
    • https://static1.squarespace.com/static/60bf6bff0d8d387fecc8b153/t/60ee8dbcfc191471fc70bef9/1626246588665/99334498048.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_off0000d775.bin
c4433fe7b8c63eb8e21b694185a7817e631ff6f8f30375262f73db5f998b0af3		 pdf-font-stream PDF embedded font (sfnt) at offset 0xD775 10492 bytes
font_01_sfnt_off0000ef1b.bin
122d6e8dc67adb81ab8d1ba9c9b97e2b3effc661caf40a95fb506f3a9b18e0f4		 pdf-font-stream PDF embedded font (sfnt) at offset 0xEF1B 16924 bytes
font_02_sfnt_off00011b11.bin
9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1		 pdf-font-stream PDF embedded font (sfnt) at offset 0x11B11 16792 bytes

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