Malicious PDF — malware analysis report

Static analysis result for SHA-256 300535ecbefbff09…

MALICIOUS

PDF

46.8 KB Authoring application: Inkscape
MD5: 4986a4c1c324f1b56c93218566ef5012 SHA-1: 73370cdeb63ef4ec0c4ad9458f139bf78ef795ff SHA-256: 300535ecbefbff090893b69cd2512d01cbabf2b7c6ae313a7f0309aeda9b1ce6
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 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 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports the phishing classification.

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://square1cycle.com/uploads/1/3/0/6/130604777/970f8e7fe3ad.pdf
    • http://www.ticketfree.net/uploads/1/3/0/5/130543462/9224123.pdf
    • http://digitalsugar.net/uploads/1/3/0/7/130776322/6072764.pdf
    • http://gotbenji.com/uploads/1/3/0/4/130476908/sigusukasularev.pdf
    • http://rentrollio.com/uploads/1/3/0/6/130621648/suxitabefotosatoja.pdf
    • http://365poolspa.com/uploads/1/3/0/2/130288924/tolosebutowuji_zutup_sizuzesedew.pdf
    • http://www.coastalquestvr.com/uploads/1/3/0/6/130640081/b5568d88.pdf
    • http://mensajeriateamgo.com/uploads/1/3/0/2/130289745/denubesezavufowabipa.pdf
    • http://giveitback.com/uploads/1/3/0/7/130739476/kifasavise.pdf
    • http://sunrayvapors.net/uploads/1/3/0/3/130313504/5204928.pdf
    • http://beyondbookkeeping.us/uploads/1/3/0/2/130272233/kapebujotepelom.pdf
    • http://2fey9h.salon225.com/uploads/1/3/0/8/130814208/130814208.html#digraph+sh+worksheets+first+grade

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00006073.bin
0496892ac39df36bd3d0a4a092828784c2090c5a9645ed424d02b08f90c700d8		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6073 8148 bytes

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