Malicious PDF — malware analysis report

Static analysis result for SHA-256 6f08a97cf721cc6a…

MALICIOUS

PDF

36.3 KB Authoring application: OpenOffice.org
MD5: 5ffcb2b6b61fa0457ed2cbddbd24d52d SHA-1: 93374a507f93422b3ab88442e25453d93252618d SHA-256: 6f08a97cf721cc6a83d5496128c1a23647ddf03330fd3ebcdd86156994a2f70f
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded external links, a technique often used for SEO manipulation or to distribute malicious content. ClamAV identified this as Pdf.Phishing.TtraffRobotInstall, and a machine learning classifier also flagged it as malicious. The document body contains garbled text, suggesting it is not intended for direct user consumption but rather as a container for the links.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

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://consultantsbd.com/uploads/1/3/0/6/130640031/828e1cc352d3.pdf
    • http://acupuncturehilohawaii.com/uploads/1/3/0/3/130379266/7243727.pdf
    • http://asharperimage.ca/uploads/1/3/0/4/130436313/7102291.pdf
    • http://www.underdogtraining.info/uploads/1/3/0/2/130289629/b8b4d7c7541.pdf
    • http://www.wardogsremembered.org/uploads/1/3/0/5/130551399/4492134.pdf
    • http://talkstocknow.com/uploads/1/3/0/6/130604046/4428926.pdf
    • http://2019worldhorseshoes.com/uploads/1/3/0/6/130620936/kagip-jefakeluparo-mowizadop.pdf
    • http://www.hopefordysautonomia.org/uploads/1/3/0/2/130273842/bofaxowap.pdf
    • http://nashvilledrones.com/uploads/1/3/0/5/130551135/vifiwasimev.pdf
    • http://paulberryhillsgallery.studio/uploads/1/3/0/4/130489159/b3d86.pdf
    • http://nikhitavaddineni.com/uploads/1/3/0/6/130620863/7828860.pdf
    • http://irgmotorsport.com/uploads/1/3/0/5/130589315/5745412.pdf
    • http://nacjtraining.net/uploads/1/3/0/3/130313491/21614b9d09b8.pdf
    • http://gentlejoey.com/uploads/1/3/0/7/130776824/zobevoliten_mudafuzo_soruba_gilobejopipa.pdf
    • http://chocny.com/uploads/1/3/0/2/130287923/vakijozi_wugotere_luruwufikenobog_nikutosem.pdf
    • http://batteryparkpreschool.com/uploads/1/3/0/2/130287984/guroguwojil.pdf
    • http://fissuemail.com/uploads/1/3/0/2/130291531/9142624.pdf
    • http://fancher-sisters.rominastiebenphotography.com/uploads/1/3/0/5/130551059/130551059.html#aetna+medicare+advantage+plans+nj+2020

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00002fdb.bin
a07711d50e6dc6324f410d0d605cd8ad16a4faa5711274e023b98d8ad6681e72		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2FDB 8304 bytes

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