Malicious PDF — malware analysis report

Static analysis result for SHA-256 9b9dccb11ef65edc…

MALICIOUS

PDF

61.3 KB Authoring application: Scribus
MD5: 7bfaaffd07206a4fdea6300e91994e3f SHA-1: 86e7433a9a3cd3d29c3f35c3ee5c9279852b5648 SHA-256: 9b9dccb11ef65edca2a61f9bf5114ca61f65d41a261a6ca4fb12d20d5399a897
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

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 payloads. The ClamAV detection as 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports a malicious intent, likely related to phishing or traffic redirection. No scripts were extracted, limiting the analysis of direct execution capabilities.

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.jhljoinery.co.uk/uploads/1/3/0/6/130620665/e4bf3fcb574.pdf
    • http://miamipropertysharks.com/uploads/1/3/0/7/130738859/gizopupax.pdf
    • http://myssample.com/uploads/1/3/0/6/130621530/lipetegotopixed.pdf
    • http://wickedladiesbees.com/uploads/1/3/0/6/130620773/5300609.pdf
    • http://www.okpromotional.com/uploads/1/3/0/8/130814017/4300140.pdf
    • http://burenerdene.com/uploads/1/3/0/4/130483795/buvozotegu.pdf
    • http://milkandhoneystyletx.com/uploads/1/3/0/5/130588457/4361944.pdf
    • http://tenzafansite.com/uploads/1/3/0/5/130588389/nosepabobavifi.pdf
    • http://beingself-centered.com/uploads/1/3/0/7/130739353/movaten-fumajafe-gugevavowevita.pdf
    • http://mitmultiservice.com/uploads/1/3/0/5/130539702/kesimi-dobolofeta-nonowu-sowonokubefub.pdf
    • http://cladnh.com/uploads/1/3/0/3/130313108/lokifatodabuwefib.pdf
    • http://www.fhsmtb.com/uploads/1/3/0/6/130620673/7cb9d95144d7bd5.pdf
    • http://nuobeijing.devsite-1.com/uploads/1/3/0/3/130323328/130323328.html#market+entry+methods+international+business

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00001612.bin
dc85cf23d2eb634021cd55512a748c832307d07c86204d32433727c106bb7896		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1612 8392 bytes

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