Malicious PDF — malware analysis report

Static analysis result for SHA-256 0d67fc826126c601…

MALICIOUS

PDF

31.6 KB Authoring application: LibreOffice Draw
MD5: caaa42295236bf411ff95879c6ec7fd5 SHA-1: 342ab69c989be4d48b30e29ed5b007c4bed965b7 SHA-256: 0d67fc826126c601357701878a1f2705642be5414a80913471335c363c4520d0
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded external links, identified by the PDF_SEO_LINK_FARM heuristic, suggesting a link farm or phishing campaign. The ML_NYX_PDF_MALICIOUS and ClamAV detections further confirm its malicious nature. The document body itself is heavily obfuscated and contains many of the same URLs, reinforcing the intent to redirect users to potentially harmful content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9996

Heuristics 3

  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • ClamAV: Pdf.Phishing.TtraffRobotInstall-7605656-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.TtraffRobotInstall-7605656-0
  • 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 http://anthonybeastmode.com/uploads/1/3/0/5/130588328/3609a09f.pdf
    • http://www.idasundell.se/uploads/1/3/0/7/130776066/fikijujitom.pdf
    • http://dflcd2.net/uploads/1/3/0/6/130639517/moraremop-tosotibefased.pdf
    • http://teamworkprofile.com/uploads/1/3/0/5/130550925/kovetik-vozifis-dafosiv-nutiwivurafi.pdf
    • http://treeservicechulavista.com/uploads/1/3/0/6/130621757/179aeb857a.pdf
    • http://mindandbodydallas.com/uploads/1/3/0/3/130379319/f894543f813.pdf
    • http://anuciapather.com/uploads/1/3/0/7/130740573/25d883735bc.pdf
    • http://mobile-massage-sydney.com/uploads/1/3/0/7/130776541/571cc7fba.pdf
    • http://campdogdesign.com/uploads/1/3/0/4/130436154/luwuxumu-barutomiz-wogudegor-pukovisitak.pdf
    • http://kevingiancolagolf.net/uploads/1/3/0/6/130621100/nusan-ladur-witowufoxixisi.pdf
    • http://liquorlawsvt.net/uploads/1/3/0/5/130588772/pajowemat.pdf
    • http://pujingttyulecheng.br3h.com/uploads/1/3/0/2/130289475/130289475.html#jabulani+africa+chords

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000011a6.bin
7c2808f8fb7f8fca39ea0aaee9ca147b63fb5babc467c33af7d31c914576d047		 pdf-font-stream PDF embedded font (sfnt) at offset 0x11A6 8012 bytes

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