Malicious PDF — malware analysis report

Static analysis result for SHA-256 ea6757169c6bc7c1…

MALICIOUS

PDF

34.0 KB Authoring application: Solid Converter PDF
MD5: 2f90c6d22a8deb37d1e5c456c5284147 SHA-1: 19e07161dc62c1cae697ae529814303b355e5e5d SHA-256: ea6757169c6bc7c1bdb058d2473bf7ac9d8897dbbf3c1b02baa799ed521fda23
150 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1566.002 Spearphishing Link

The PDF contains a large number of embedded external links, a technique commonly used for SEO poisoning or phishing campaigns. The ClamAV detection and ML classifier strongly indicate malicious intent. The document body itself is heavily corrupted and unreadable, but the heuristic firings and numerous URLs point to a malicious link farm designed to redirect users to potentially harmful content.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 3

  • ClamAV: Pdf.Phishing.TtraffRobotInstall-7605656-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.TtraffRobotInstall-7605656-0
  • 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.
  • 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://nounoucergy95.com/uploads/1/3/0/2/130270843/50d9825bfae.pdf
    • http://bitner.life/uploads/1/3/0/5/130551378/c8abad73.pdf
    • http://suite420marketing.com/uploads/1/3/0/4/130475980/7023761.pdf
    • http://prisonlifeline.net/uploads/1/3/0/6/130621243/f9a176f08.pdf
    • http://teaisforlife.com/uploads/1/3/0/7/130775539/6600609.pdf
    • http://skyleslawfirm.com/uploads/1/3/0/6/130639559/dufopuwot.pdf
    • http://nfctigers.com/uploads/1/3/0/4/130476678/e27bd850d.pdf
    • http://dimensionalfinancialservices.com/uploads/1/3/0/5/130551488/vanewuxumisipibidax.pdf
    • http://www.nielsvandeloo.be/uploads/1/3/0/5/130589002/bojawelelon.pdf
    • http://isaiahosborn.com/uploads/1/3/0/7/130739404/dorodifak_siniwowuwum_dagiv.pdf
    • http://www.rachelgiddens.com/uploads/1/3/0/2/130289265/juxixugaz.pdf
    • http://norecordsnobs.com/uploads/1/3/0/4/130483871/vevuwikun-veweziminirofe.pdf
    • http://metropolismexican-grill.com/uploads/1/3/0/6/130640101/remazo-jiwejilepag-daligojoburupax.pdf
    • http://mishakaura.com/uploads/1/3/0/2/130270893/tefejudisa_vidozevo.pdf
    • http://www.scenarscot.com/uploads/1/3/0/2/130272648/wikowikozaso_dawowaxo.pdf
    • http://carlosdia.com/uploads/1/3/0/5/130550812/130550812.html#acute+kidney+injury+icd+10+cm
    • http://www.scenarscot.com/uploads/1/3/0/2/130272648/wikowikozaso

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00002c34.bin
4a0b33669c7b6bb7eda57bbb3f8f9f73dd740f31bf81340a2112c023e4451752		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C34 7136 bytes

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