Malicious PDF — malware analysis report

Static analysis result for SHA-256 07488e3e79b6fa26…

MALICIOUS

PDF

38.9 KB Authoring application: Scribus
MD5: e620f989868799495951779658504223 SHA-1: 12c8a0589bf9124e9b608073683eb2d125bde4dd SHA-256: 07488e3e79b6fa2679d9e3638150a83a38fe7d8117083335a6017db29ce23c0c
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF file was flagged by multiple detection engines, including ClamAV and a machine learning classifier, indicating malicious intent. The heuristic analysis revealed a large number of embedded external PDF links, suggesting a link farm designed to redirect users to potentially malicious content. The document body itself contains garbled text and embedded URLs, further supporting the conclusion that this file is a lure for phishing or malware distribution.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

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://tiedyeharvest.com/uploads/1/3/0/7/130738814/5660243.pdf
    • http://ardmacelectric.com/uploads/1/3/0/2/130291373/tonikoporaxadu-kovuxakip.pdf
    • http://kelsweet.com/uploads/1/3/0/5/130540405/ponimofor.pdf
    • http://motorpetroleum.com/uploads/1/3/0/4/130435588/2264524.pdf
    • http://trokot-official.pro/uploads/2020/01/28/rujaza-lozez-nalubatesaj-foxof.pdf
    • http://allahand.com/uploads/1/3/0/6/130621516/nupowujuvavavogawuko.pdf
    • http://mirrormath.net/uploads/1/3/0/6/130620813/650f35112.pdf
    • http://usual-senders.pro/uploads/2020/01/28/toxojapufazupasek.pdf
    • http://palowuz.support-gaming-fb.com/uploads/2020/01/28/rilivewusukozuj.pdf
    • http://mse265.com/uploads/1/3/0/6/130620947/dd11a9871c4.pdf
    • http://mineolatrading.com/uploads/1/3/0/2/130274076/vujadobavok_xerujew_befipozofime_jeruwejadu.pdf
    • http://tattoovictoriatexas.com/uploads/1/3/0/7/130740590/webulegelubife.pdf
    • http://pameladirnberger.com/uploads/1/3/0/3/130313176/130313176.html#bugaboo+high+performance+footmuff+khaki
    • http://dejavu.sourceforge.net
    • http://dejavu.sourceforge.net/wiki/index.php/License

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000135e.bin
f0340be76ee4719869246782449f922239452ed05c1b3f81bd41aa770537409a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x135E 8740 bytes
font_01_sfnt_off00005096.bin
f31c439e28d0137206b91a151f21343900f846ed9ff070250fbe82eb1cc7da1d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5096 16204 bytes

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