Malicious PDF — malware analysis report

Static analysis result for SHA-256 c6f54acb35f4ccfd…

MALICIOUS

PDF

36.4 KB Authoring application: LibreOffice
MD5: 6e0b94e3f73ef25b569069c9281b44a8 SHA-1: 64091d32ceeae499328ceeaa01344be92c4c0dca SHA-256: c6f54acb35f4ccfd83235d2162cd322c40760d47874c87b68f0b77cd17b5b31c
120 Risk Score

Malware Insights

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

The PDF file exhibits characteristics of a link farm, with numerous embedded URLs pointing to external PDF documents. This technique is often used for SEO manipulation or to distribute malicious content. The ClamAV detection as 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports a phishing or traffic redirection intent. No scripts were extracted from this sample.

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://www.postproductions.co/uploads/1/3/0/4/130435893/770117a.pdf
    • http://mail.expression-exception.fr/uploads/1/3/0/7/130740378/nipisopa_denilupewoxos_vutimipegene_junag.pdf
    • http://mta-sts.mail.northamptonsings.org/uploads/1/3/0/7/130739892/36ddcc89.pdf
    • http://contact.dng.ie/uploads/1/3/0/5/130588531/4136099.pdf
    • http://fitunicorn.net/uploads/1/3/0/2/130272548/dirolapa-fawam-rejevujirip.pdf
    • http://rascomgreenbuildservices.com/uploads/1/3/0/2/130289320/bamopudogu_tirovag_xojisema.pdf
    • http://www.whitesagesmudgespray.com/uploads/1/3/0/7/130775808/zuzati.pdf
    • http://magicsprinkleslearning.com/uploads/1/3/0/5/130545954/vizekuzazubi.pdf
    • http://myspiritlevel.co.uk/uploads/1/3/0/6/130639956/7228e799f45609.pdf
    • http://monthlytights.net/uploads/1/3/0/3/130323131/6067156.pdf
    • http://www.newchancedetox.com/uploads/1/3/0/6/130639393/f292c57ff.pdf
    • http://guyonrescue.org/uploads/1/3/0/7/130740140/5410104.pdf
    • http://uibffworld.org/uploads/1/3/0/2/130288924/130288924.html#que+es+la+acidosis+tubular+renal+tipo+1

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000035fd.bin
3762bb11e3097cb61af8dc3a5125c32b18fa1bdf9f1691ae0548034b3a12188b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x35FD 8540 bytes

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