Malicious PDF — malware analysis report

Static analysis result for SHA-256 f4ea552254336dd7…

MALICIOUS

PDF

36.0 KB Authoring application: SWFTools
MD5: 5bd4f1d2c1022111aa49568930d315f9 SHA-1: 2fd3e492d80bbbe68780fe24d18232bb0d3baa95 SHA-256: f4ea552254336dd7e802671f0a7c42f85aadd47e0489a034a0b053be0d9e00d1
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 external links, identified by the PDF_SEO_LINK_FARM heuristic. The ClamAV detection as Pdf.Phishing.TtraffRobotInstall-7605656-0 further supports a malicious intent. The primary goal appears to be directing users to a vast collection of other PDF files hosted on various domains, likely for SEO spam or to distribute further malware. 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://webmail.twosunsdoula.com/uploads/1/3/0/8/130874472/1923d3be0.pdf
    • http://lenioffringa.nl/uploads/1/3/0/4/130483546/soxokuno.pdf
    • http://psykhoshop.com/uploads/1/3/0/2/130271158/1687308.pdf
    • http://tahmoorbaptistchurch.com/uploads/1/3/0/4/130483248/lafebigimusas.pdf
    • http://ministrycoordinator.net/uploads/1/3/0/6/130605515/1162272.pdf
    • http://volleyballanalytics.org/uploads/1/3/0/5/130543771/9726969eea4cc8.pdf
    • http://sovereignfoodie.com/uploads/1/3/0/5/130539338/f1e0b9eb.pdf
    • http://16365redington.com/uploads/1/3/0/3/130324278/sitagobodavon-bubiwu-zizis.pdf
    • http://mta-sts.mail.stemonline.org/uploads/1/3/0/2/130289163/3acb837fd52.pdf
    • http://mfwwinecompany.com/uploads/1/3/0/8/130873795/wanajimeta_paxiguwaxorol_palonagugusifut.pdf
    • http://rivalrygraphics.com/uploads/1/3/0/2/130270991/novoxizig-kedun-noladudepuw.pdf
    • http://kelliottportfolio.com/uploads/1/3/0/7/130776249/596239.pdf
    • http://sigoaprendiendo.com/uploads/1/3/0/6/130620990/bapifulu.pdf
    • http://adhdplanet.org/uploads/1/3/0/5/130550777/831132.pdf
    • http://ooredooiraq.net/uploads/1/3/0/7/130776169/ganigetagesurotuwe.pdf
    • http://www.nowimpact.org/uploads/1/3/0/7/130738487/bad6a5dc.pdf
    • http://intl.businessmodelcompetition.com/uploads/1/3/0/6/130621304/vuvenum_luramilifu.pdf
    • http://careneeds.org/uploads/1/3/0/6/130620482/7698875.pdf
    • http://elizabethbrophy.com/uploads/1/3/0/2/130270783/130270783.html#what+are+the+positives+of+geothermal+energy

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00002f11.bin
194dab71bfab4f10c886d7861777d94b81fcdd4dbd520f537379d4c64de9d8e2		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2F11 7828 bytes

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