Malicious PDF — malware analysis report

Static analysis result for SHA-256 d2423664a2957e6e…

MALICIOUS

PDF

35.2 KB Authoring application: Solid Converter PDF
MD5: 4450dbfe10be9d1042913c4d61157a2c SHA-1: 804fee6af49a20109f116b0f5e6231e53561668b SHA-256: d2423664a2957e6effd0eb49759cadbc005ba42826473a1681048c6f94f478d0
120 Risk Score

Malware Insights

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

The PDF file exhibits a critical heuristic firing for a link farm, containing numerous external URLs. The ClamAV detection as 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports a malicious classification. The embedded URLs are likely used to redirect users to phishing sites or download further malicious content.

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://lucubratus.com/uploads/1/3/0/6/130604147/muzib-dodokizipamav-govamuga.pdf
    • http://policeandfiregear.com/uploads/1/3/0/8/130874066/nujumejus.pdf
    • http://laextraordinaire.com/uploads/1/3/0/5/130588417/9294c85c4e0a297.pdf
    • http://soselectrical.co.nz/uploads/1/3/0/5/130588213/adebaa2d8.pdf
    • http://swankyfork.com/uploads/1/3/0/6/130620662/xetawu.pdf
    • http://nadiaberyl.fr/uploads/1/3/0/5/130545011/gebelalexesavos_povomefis_nabosinodibiga.pdf
    • http://mail.stewartcellostudio.com/uploads/1/3/0/6/130621160/meviluzarijizog.pdf
    • http://europeanfenestrationsystems.com/uploads/1/3/0/3/130323659/7757766.pdf
    • http://nationalhellenicsociety.net/uploads/1/3/0/7/130776898/44110da267f3751.pdf
    • http://mikkiscreations.shop/uploads/1/3/0/2/130289424/vumesobasapebof.pdf
    • http://hunterkolb.com/uploads/1/3/0/6/130604113/7027845.pdf
    • http://cxotoolkit.com/uploads/1/3/0/6/130621228/3475978.pdf
    • http://nealybirthandlactation.com/uploads/1/3/0/5/130588202/witorami.pdf
    • http://cattailconstructionllc.com/uploads/1/3/0/7/130776368/fumofawinazunigo.pdf
    • http://discovermyrootstravel.voyagerwebsites.com/uploads/1/3/0/6/130604805/130604805.html#pressure+dew+point+relative+humidity+calculator

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00002d44.bin
05a93ccfe32dad2227ab5f2fb3c65d2602dcecacd53fba2d32ba1201d233f67f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2D44 8704 bytes

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