Malicious PDF — malware analysis report

Static analysis result for SHA-256 e7324a508b4e9a30…

MALICIOUS

PDF

39.1 KB Authoring application: LibreOffice Draw
MD5: 43d1991a3749dd90a99c41ece0959dcc SHA-1: 2ae989be6a1a68b5c1aa9dfe0d8663bcf628b47d SHA-256: e7324a508b4e9a303b86bed638d6337f71a8fc22f8c2f2cc38f06743ebc1547a
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 links to external PDF documents hosted on various domains. This behavior is indicative of a link farm designed to distribute malicious content or conduct phishing attacks. The ClamAV detection as 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports the phishing and traffic redirection nature of this file.

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://tp4seniors.ca/uploads/1/3/0/6/130604016/gunuwagugunizeb.pdf
    • http://ctsretreat.com/uploads/1/3/0/4/130489230/botitasa.pdf
    • http://www.begabooking.com.au/uploads/1/3/0/2/130287886/297f7f.pdf
    • http://pwessays.com/uploads/1/3/0/8/130814258/zarasexigawip.pdf
    • http://acordofthreecreations.com/uploads/1/3/0/7/130739628/6192738.pdf
    • http://graceepcmi.com/uploads/1/3/0/4/130483253/nananazafog-kimije-xovanit-tofidozup.pdf
    • http://whitebalancephoto.com/uploads/1/3/0/7/130775742/sagasela-begidobipefe.pdf
    • http://piwcatering.com/uploads/1/3/0/8/130814021/rigide.pdf
    • http://suatborazan.net/uploads/1/3/0/4/130489933/nowilir-minupin-puzedazorajawuf-sukaf.pdf
    • http://cflucktraining.com/uploads/1/3/0/7/130775715/vibepafeparuxo.pdf
    • http://centerforculturalfitness.org/uploads/1/3/0/2/130270745/tutakaxepotaxep-babudi-kubujatofuzito-fukeb.pdf
    • http://pulsarai.com/uploads/1/3/0/6/130639785/5074414.pdf
    • http://cofse.net/uploads/1/3/0/5/130540604/ad41c2cf.pdf
    • http://host250.carmichaelnl.com/uploads/1/3/0/9/130969231/130969231.html#ancient+sumerian+cuneiform+writing

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00004022.bin
868b7e5919e36e66c011ef32df13331e2bdc7a36340d6353765626a9e03bb0ce		 pdf-font-stream PDF embedded font (sfnt) at offset 0x4022 8136 bytes

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