Malicious PDF — malware analysis report

Static analysis result for SHA-256 94729d53c7bd6c89…

MALICIOUS

PDF

34.8 KB Authoring application: SWFTools
MD5: 3d7abb958f78696aa6a2b12014989b47 SHA-1: 9a1405f228d426b3b838d0c2d7e2cdd0e52d99a9 SHA-256: 94729d53c7bd6c891ed24bd2e6012790f3d8ccb00b08a35097d7013315a402a1
120 Risk Score

Malware Insights

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

The PDF file exhibits characteristics of a link farm, containing numerous external links to other PDF documents. This technique is often used for SEO manipulation or to distribute malicious content. The ClamAV detection of 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports a phishing or malicious 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.datalyx.co/uploads/1/3/0/3/130323092/6624750.pdf
    • http://www.shaakirasharifeducationalpsychologyandtechnologyprogram.com/uploads/1/3/0/3/130324050/84ed59e82.pdf
    • http://oldtownimports.com/uploads/1/3/0/5/130550748/zumepunowepimopugebe.pdf
    • http://comonativo.com/uploads/1/3/0/6/130640128/07c2d1fe8ba.pdf
    • http://joesfriedchickenandfish.com/uploads/1/3/0/5/130539188/6575616.pdf
    • http://catalinagardeazabal.com/uploads/1/3/0/6/130621406/zaminopab.pdf
    • http://mcdaniellawfirm.com/uploads/1/3/0/2/130291662/pusonegawipalonepobu.pdf
    • http://attiliosfarms.com/uploads/1/3/0/5/130588570/7161951.pdf
    • http://newriverknockouts.org/uploads/1/3/0/2/130271113/lawolobukopavefu.pdf
    • http://www.aslar.co.uk/uploads/1/3/0/4/130436152/juzaxaridokovexij.pdf
    • http://www.korurecruitmentnz.com/uploads/1/3/0/9/130969317/a1cfe.pdf
    • http://www.viva7dancetravel.com/uploads/1/3/0/2/130271060/94d113494ddef9d.pdf
    • http://74-123-72-91.mgwnet.com/uploads/1/3/0/6/130605443/130605443.html#recipes+for+low+carb+low+sugar+smoothies

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00003025.bin
43bb6ac9b336e006c66e1cc1b8de33ad91ab9d5ca4072727eb468afb0a93bf8a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x3025 7788 bytes

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