Malicious PDF — malware analysis report

Static analysis result for SHA-256 64a4162c8b91bcf5…

MALICIOUS

PDF

59.7 KB Authoring application: Scribus
MD5: 8bfc3bb52bda57cd4d01129f7bfaf4b0 SHA-1: 462d1f8578e95df77d39ad1aee914fa9041c547f SHA-256: 64a4162c8b91bcf5a3bc00394d17e82a52ab8549eb9cbb90a41865943221df06
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document was flagged by multiple heuristics, including a critical rule for containing a mass external PDF link farm. The ML classifier and ClamAV also identified it as malicious, specifically as a phishing attempt. The embedded URLs likely lead to further malicious content or phishing pages.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9999

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.corvedo.com/uploads/1/3/0/6/130603989/rurotowegu.pdf
    • http://christmasiscominghome.ca/uploads/1/3/0/2/130270923/87859.pdf
    • http://mfhinvestments.com/uploads/1/3/0/2/130272485/6218b98381e071.pdf
    • http://mrhastieptyltd.com/uploads/1/3/0/7/130739751/6052826.pdf
    • http://deviseagency.com/uploads/1/3/0/8/130874021/nemono_fanezura_kuwewufeluxaluj.pdf
    • http://tcsoutheastbaseball.com/uploads/1/3/0/5/130588790/7164515.pdf
    • http://www.niedernation.com/uploads/1/3/0/9/130969449/6151892.pdf
    • http://nateberggren.com/uploads/1/3/0/7/130739340/bobezewuberimos.pdf
    • http://buckeyecustom.net/uploads/1/3/0/6/130621782/0da8573b881574a.pdf
    • http://trinityheartministries.com/uploads/1/3/0/6/130620185/pudud.pdf
    • http://camargolegal.com/uploads/1/3/0/6/130605149/5950155.pdf
    • http://www.nwspacecamp.co.uk/uploads/1/3/0/4/130494478/taguba_jovexivalenoka_nalizep.pdf
    • http://www.slofindinghope.com/uploads/1/3/0/2/130271111/e0444.pdf
    • http://johnks.net/uploads/1/3/0/3/130313603/4926155.pdf
    • http://mlstourney.com/uploads/1/3/0/4/130477420/9662767.pdf
    • http://upkeephomemaintenance.com/uploads/1/3/0/5/130590298/zijupufupudad.pdf
    • http://theindoorhockeyleague.com/uploads/1/3/0/5/130540063/dixokizogevu_mikuvijam_tomavozajafikad_kusira.pdf
    • http://autotransportcheap.com/uploads/1/3/0/6/130604247/7211933.pdf
    • http://host138.carmichaelnl.com/uploads/1/3/0/6/130604649/130604649.html#different+types+of+descriptive+research+methods

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00001717.bin
c3fa621b6e113d467aea65b77dfd0c73550dadeeb4b06824cb915ca5ebe40e71		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1717 8328 bytes

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