Malicious PDF — malware analysis report

Static analysis result for SHA-256 cd0e505e8874d6f0…

MALICIOUS

PDF

31.7 KB Authoring application: LibreOffice
MD5: b1f4e2dcf561e8bd5f6f4ce6926528f3 SHA-1: ac24a81591141f4d37046d5b3d16c61a26b7b491 SHA-256: cd0e505e8874d6f03ec5d3445f17222f61d0266ffd47cee4859cbd0aa9713056
152 Risk Score

Malware Insights

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

The PDF contains a large number of embedded URLs pointing to other PDF files hosted on various domains. This behavior is indicative of a link farm or a distribution mechanism for further malicious content. The ClamAV detection and ML classifier strongly suggest malicious intent, likely related to phishing or malware distribution. No scripts were extracted from this sample.

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://sinofusionrestaurant.com/uploads/1/3/0/6/130621075/01ebf66484a.pdf
    • http://oscarchavezphotography.net/uploads/1/3/0/6/130639209/gumawibilaz.pdf
    • http://bayswaterlacrosse.com/uploads/1/3/0/4/130488286/c13d851ef.pdf
    • http://scrivenerinteractive.com/uploads/1/3/0/6/130639217/fa520.pdf
    • http://diegoherreradesign.com/uploads/1/3/0/8/130813362/kodotimap.pdf
    • http://www.justyourwayprints.com/uploads/1/3/0/6/130604452/5605339.pdf
    • http://mysecretlagoon.com/uploads/1/3/0/7/130775826/vigizur.pdf
    • http://rkfinancialgroup.net/uploads/1/3/0/4/130483256/fuxujovufov.pdf
    • http://preceptscience.com/uploads/1/3/0/9/130969085/tiwugovegajun-mezugimizezose-mizinuxi.pdf
    • http://o-products.com/uploads/1/3/0/2/130289240/383aa.pdf
    • http://listen-local.com/uploads/1/3/0/5/130551341/vevebunan-gexakilu-baduxo-vatezexazajuwa.pdf
    • http://annmariebagge.com/uploads/1/3/0/6/130620346/33864f3.pdf
    • http://congresoselis.info/uploads/1/3/0/5/130551126/womatora-simis.pdf
    • http://usermarketing101.com/uploads/1/3/0/4/130488698/dubate.pdf
    • http://www.ulikaidesigns.com/uploads/1/3/0/5/130551004/aadd8c.pdf
    • http://phx81supplies.com/uploads/1/3/0/7/130740556/redoludipu.pdf
    • http://www.customportraitartists.com/uploads/1/3/0/6/130639580/224cbf53ff.pdf
    • http://restored2purposepublishing.com/uploads/1/3/0/6/130604562/pagovawaziwigibeb.pdf
    • http://clteast.com/uploads/1/3/0/6/130603838/zogepil-subudawom.pdf
    • http://imaginaryrats.com/uploads/1/3/0/4/130489898/ragixax.pdf
    • http://atelierjademyr.ca/uploads/1/3/0/6/130603874/130603874.html#levene%27s+test+spss+f+value

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00001e47.bin
3e4ff90fa5ab30dc8cc6f1679d9f7249094dd1bf84d371200eafe3b243d8e639		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1E47 7008 bytes

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