Malicious PDF — malware analysis report

Static analysis result for SHA-256 fbaa10557e89f01e…

MALICIOUS

PDF

37.4 KB Authoring application: Scribus
MD5: 00eeca62040874d6acae16d064d71fb4 SHA-1: 54d1069ba101d987e844215c19ae52106ce6f05c SHA-256: fbaa10557e89f01ea49db1799f59789da1e731fea677396661daefce78d018e1
150 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF 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 and the ML classifier output strongly indicate malicious intent. The primary attack pattern appears to be a link farm designed to redirect users to potentially malicious content hosted on numerous domains.

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://mrgrantmath.com/uploads/1/3/0/7/130738732/ffffd.pdf
    • http://srilankanprivatedriver.com/uploads/1/3/0/9/130969090/77402e273323c.pdf
    • http://thecatwalkblog.net/uploads/1/3/0/4/130476034/kuxaduwu.pdf
    • http://aquinastestprep.com/uploads/1/3/0/4/130488123/komujixuxasegov.pdf
    • http://nathanbarot.com/uploads/1/3/0/4/130477414/nugimireten.pdf
    • http://callawaymedia.net/uploads/1/3/0/4/130489467/fuwedanalomunarol.pdf
    • http://michaeldietze.net/uploads/1/3/0/3/130313286/depukibejuz-wepizezuraf-safixixo-sedufoz.pdf
    • http://chantelleshaw.com/uploads/1/3/0/5/130551054/dd35c80.pdf
    • http://nuvisionconstruction.com/uploads/1/3/0/6/130639765/8852834.pdf
    • http://sejasurpreendente.org/uploads/1/3/0/5/130588232/pararu.pdf
    • http://mgeducationfund.org/uploads/1/3/0/5/130590356/b2cc2.pdf
    • http://cdn-6.electorials.com/uploads/1/3/0/5/130543467/vobagelozole_napuw.pdf
    • http://questbusinesses.com/uploads/1/3/0/6/130621746/53fb9.pdf
    • http://albertawaterwelldrilling.com/uploads/1/3/0/4/130476145/66743.pdf
    • http://mailinbackup1.malecky.eu/uploads/1/3/0/4/130483638/wigapajeloxu-nujojabudaw.pdf
    • http://pinehurstgc.com/uploads/1/3/0/3/130312912/7248134.pdf
    • http://voteforkristie.com/uploads/1/3/0/4/130436145/fagijovodejivibimiz.pdf
    • http://thedeliverator.online/uploads/1/3/0/7/130740066/8640363.pdf
    • http://informacionyturismo.net/uploads/1/3/0/7/130775750/6244689.pdf
    • http://getfantasticweed.com/uploads/1/3/0/6/130605280/fukedevofaw-mexikos.pdf
    • http://morpheusgraphix.com/uploads/1/3/0/7/130740590/1a510af.pdf
    • http://kingslandjustice.com/uploads/1/3/0/6/130603966/rizubetufe.pdf
    • http://rhemaafrica.net/uploads/1/3/0/7/130775879/jekadugogap-nalotulororof-gujexifud-rukesotamemos.pdf
    • http://angelaspillman.com/uploads/1/3/0/6/130620530/gubolamejapono-jifonugogepiwav-xawurajugujiz-patopatepi.pdf
    • http://74-123-76-60.mgwnet.com/uploads/1/3/0/6/130604402/130604402.html#reading+comprehension+for+grade+6+esl
    • http://cdn-6.electorials.com/uploads/1/3/0/5/130543467

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00003066.bin
131b698b218d3006ccf7445d863b5f8b618f81b96b177543aa47f55b6342f391		 pdf-font-stream PDF embedded font (sfnt) at offset 0x3066 7272 bytes

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