Malicious PDF — malware analysis report

Static analysis result for SHA-256 00c7f5c0710b15fc…

MALICIOUS

PDF

43.9 KB Authoring application: OpenOffice Draw
MD5: 10d565a9ca80bbb206cdd476d5520dd2 SHA-1: 012f1afd109594322d4e7a1674d82a90d7506ed5 SHA-256: 00c7f5c0710b15fc66057e409d549939c181e1c3253a6ca97ed4d3758ff11c00
152 Risk Score

Malware Insights

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

The PDF document contains a large number of embedded links to external PDF files hosted across various domains. This behavior is indicative of a link farm or a distribution mechanism for further malicious content, as suggested by the 'PDF_SEO_LINK_FARM' heuristic and ClamAV detection. The ML classifier also strongly flagged this file as malicious.

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://saint-tims.com/uploads/1/3/0/5/130590511/tileladanu.pdf
    • http://carolineself.com/uploads/1/3/0/7/130775741/fevusatugibidoz-tamugojage-toxosuki.pdf
    • http://martycoulterstudio.com/uploads/1/3/0/6/130604392/mukogoreguxavaxoxa.pdf
    • http://auralashstudio.com/uploads/1/3/0/4/130483134/30c15eb7a9ed.pdf
    • http://hostmaster.honitonchamber.co.uk/uploads/1/3/0/2/130272336/lotipefutowujidozuse.pdf
    • http://myinfoviews.com/uploads/1/3/0/3/130312913/maxidu.pdf
    • http://retire-your-horse-in-ny.com/uploads/1/3/0/5/130540021/5750110.pdf
    • http://passantefinancial.com/uploads/1/3/0/5/130590532/bad0fef8f18d.pdf
    • http://www.frontlinephotography.co.nz/uploads/1/3/0/9/130968996/661b9f6e.pdf
    • http://coastlandsmusic.com/uploads/1/3/0/5/130588947/4491301.pdf
    • http://ftgbl.com/uploads/1/3/0/6/130621836/dokojesoguwi.pdf
    • http://michaelmkrueger.net/uploads/1/3/0/7/130776176/3af326b0857d.pdf
    • http://cdn-7.visualpatterns.org/uploads/1/3/0/4/130435717/7862227.pdf
    • http://beaniesshoerepair.com/uploads/1/3/0/2/130270833/7236197.pdf
    • http://3e3.co.uk/uploads/1/3/0/6/130621045/12388.pdf
    • http://fatsom.com/uploads/1/3/0/5/130590105/4488966.pdf
    • http://openmeadowfarms.com/uploads/1/3/0/7/130740082/soxefufafijuxoxok.pdf
    • http://buysanfordrealestate.com/uploads/1/3/0/5/130544067/7694627.pdf
    • http://www.gosendme.us/uploads/1/3/0/2/130273610/4860923.pdf
    • http://ooredoooman.net/uploads/1/3/0/6/130620985/7714445.pdf
    • http://nylasvanity.com/uploads/1/3/0/7/130776585/1278510.pdf
    • http://koawarriors.com/uploads/1/3/0/4/130489833/bijitubumaki.pdf
    • http://prouni2020.com/uploads/1/3/0/3/130323151/a9545.pdf
    • http://www.monocularphotography.com/uploads/1/3/0/2/130272415/gutawalimabo_wakoronat_wagazigoxi_benofufegazojas.pdf
    • http://keppingerlaw.com/uploads/1/3/0/4/130483514/2790679.pdf
    • http://stereojux.com/uploads/1/3/0/7/130739103/130739103.html#mc+script+for+acquaintance+party

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00004826.bin
5957e0cca3d7447a7f167bee38dab461e496d96567136b131d4bab603cdbdee4		 pdf-font-stream PDF embedded font (sfnt) at offset 0x4826 7888 bytes

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