Malicious PDF — malware analysis report

Static analysis result for SHA-256 75d04690968776e1…

MALICIOUS

PDF

43.4 KB Authoring application: Inkscape
MD5: 7bf11c01ddc223eff97d563546fc9dbf SHA-1: 6826cda19b9cf648801b6ba40447e9a2fbd95359 SHA-256: 75d04690968776e1e5e6f28752edb41dd3838135aa164bfda0cc8f6e39e618b3
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious File

The PDF document contains a mass of external links, many of which point to other PDF files, suggesting a link farm or SEO poisoning tactic. The document body also contains a lure for downloading 'Minitab 17 crack file', which is a common pretext for distributing malware. The ClamAV detection of 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports a malicious phishing or malware distribution intent.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 4

  • 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
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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://liztongmft.com/uploads/1/3/0/4/130435826/vadagirux.pdf
    • http://goals-fitness.com/uploads/1/3/0/6/130640004/vafodepaviza_pitukevoki.pdf
    • http://neverweatherband.com/uploads/1/3/0/5/130543996/f98be2fe5ca.pdf
    • http://nicholasjozaites.com/uploads/1/3/0/6/130639903/rovurotuxazamiv.pdf
    • http://lumuzop.0706shpps03.fun/uploads/2020/01/28/453498.pdf
    • http://muruvo.seowallet.ru/uploads/2020/01/28/padagomapazigegipeve.pdf
    • http://nicolecthomaswrites.com/uploads/1/3/0/5/130540219/4856751.pdf
    • http://alextindall.net/uploads/1/3/0/6/130620297/0e964f20.pdf
    • http://christinalozanofier.com/uploads/1/3/0/6/130622066/zogamijejanup.pdf
    • http://moniquemccrayjackson.com/uploads/1/3/0/5/130551282/kefujanuvukazilu.pdf
    • http://mfgm.de/uploads/1/3/0/5/130590537/3071353.pdf
    • http://asociacionperiodistaspr.org/uploads/1/3/0/2/130272282/130272282.html#minitab+17+crack+file
    • 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_off0000127b.bin
a9cd816f3f04d62395d84bd751ffa6dfe6f514a178b43f368f8d33eb1b6c6a16		 pdf-font-stream PDF embedded font (sfnt) at offset 0x127B 8116 bytes
font_01_sfnt_off00005dcc.bin
062abeeb0630068c9ebda4cd69880ba7d22c023ef851e82e77d1a768bfa0705b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5DCC 17648 bytes

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