Malicious PDF — malware analysis report

Static analysis result for SHA-256 99a5ee60e01417a6…

MALICIOUS

PDF

42.0 KB Authoring application: QPDF
MD5: 60113f51c83bd6a7f4f6407d53d63966 SHA-1: e9f6605c10288bd6276bc4e911967727d230bc59 SHA-256: 99a5ee60e01417a6b84a386d6106b861377b4fffb09641e603f5298d291c9e14
120 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded external links, identified by the PDF_SEO_LINK_FARM heuristic. These links point to various domains, each hosting a PDF file with a numeric or keyword-based slug in the URL. This pattern is indicative of a link farm or SEO manipulation tactic, potentially used to distribute malicious content or improve search engine ranking for malicious sites. The ClamAV detection further confirms its malicious nature, classifying it as Pdf.Phishing.TtraffRobotInstall.

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://myleftlane.com/uploads/1/3/0/6/130640091/dadivikepejidoga.pdf
    • http://mjtservices.info/uploads/1/3/0/7/130739544/kawiretikuna.pdf
    • http://rwbickfordconstruction.com/uploads/1/3/0/5/130590126/wakumafel.pdf
    • http://politichic.com/uploads/1/3/0/2/130287527/bizixepe_korodomika.pdf
    • http://polarlondon.com/uploads/1/3/0/6/130604414/kiwub.pdf
    • http://minutodecoracao.com/uploads/1/3/0/5/130540037/7e5de227c02968.pdf
    • http://mollylizzio.com/uploads/1/3/0/3/130379921/5555123.pdf
    • http://munding-medientraining.com/uploads/1/3/0/2/130289205/supijikogazo-zuburowi.pdf
    • http://shanghaigourmet.us/uploads/1/3/0/5/130589433/riwim-bevabizufazizid-tobeduziki-janatugi.pdf
    • http://howtoinstallsiding.net/uploads/1/3/0/6/130604191/sewezozukuvoj.pdf
    • http://tomsalf.store/uploads/1/3/0/6/130604248/jebaferawewak.pdf
    • http://www.theplanwellnessplace.com/uploads/1/3/0/2/130272936/00e75dfd016504.pdf
    • http://syxgems.org/uploads/1/3/0/7/130740231/280165e32e.pdf
    • http://marshfieldcomputerrepair.com/uploads/1/3/0/6/130621636/pelosewi.pdf
    • http://animamed.com/uploads/1/3/0/6/130604225/gutuvetojubesegam.pdf
    • http://drdom.com.au/uploads/1/3/0/4/130488732/xenizekagi-nonuxesuj-liraxilu-dovulagisa.pdf
    • http://diyforfive.com/uploads/1/3/0/3/130379625/vadugi_paduni_jawiroxe.pdf
    • http://thepurposefulmama.com/uploads/1/3/0/6/130621261/62a19584.pdf
    • http://anywheredogtraining.com/uploads/1/3/0/6/130604740/zuxawadusaxuvil-lenupexev.pdf
    • http://blueprintseo.com/uploads/1/3/0/2/130291658/7144895.pdf
    • http://martinvizzina.com/uploads/1/3/0/4/130483349/wamot.pdf
    • http://reactiondjandvideo.com/uploads/1/3/0/4/130483491/4ad113d.pdf
    • http://partocica.com/uploads/1/3/0/8/130813094/0e9ba678.pdf
    • http://moribanlandscapes.com/uploads/1/3/0/6/130604678/2afca818.pdf
    • http://dcepool.net/uploads/1/3/0/7/130739816/3621217.pdf
    • http://74-123-76-227.mgwnet.com/uploads/1/3/0/2/130289410/130289410.html#pulm+edema+causes
    • http://www.theplanwellnessplace.com/upl

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00004128.bin
6c7487741e6a36fee55fb7a5e6b79ff2d5a5b6c89003e1a79b23091cb6decb09		 pdf-font-stream PDF embedded font (sfnt) at offset 0x4128 7580 bytes

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