Malicious PDF — malware analysis report

Static analysis result for SHA-256 322e60ca58707508…

MALICIOUS

PDF

36.6 KB Authoring application: Poppler-utils
MD5: 2bad206dadd9c2944d9bb4354bee8a94 SHA-1: fd8b559f14490c1545c06ce48c84383eb85b6a41 SHA-256: 322e60ca58707508b6d3f8d1c05a30714d80735feb7fdc60d40b5b9401425456
152 Risk Score

Malware Insights

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

The PDF contains a large number of external links, many with numeric slugs, designed to appear as search engine optimized content. The document body text, though partially corrupted, mentions PDF to Word conversion, suggesting a lure to trick users into downloading further malicious content. The ClamAV detection as 'Pdf.Phishing.TtraffRobotInstall-7605656-0' and the ML classifier output strongly indicate malicious intent.

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://regencymorgans.net/uploads/1/3/0/5/130551475/kodozixeloluzu-lusufozeko-sisojeguw-lerazuwo.pdf
    • http://phishphood.net/uploads/1/3/0/8/130873895/5797301.pdf
    • http://wi-figuy.com/uploads/1/3/0/4/130483656/muxatijot-rejonebidiw-jezitepewi.pdf
    • http://bluegreyinc.net/uploads/1/3/0/4/130488395/df1cae0b6c4.pdf
    • http://ashkitomi.net/uploads/1/3/0/7/130775055/vemimo-ketegano-fetulidepojuw-kogokojaro.pdf
    • http://conmagick.mobi/uploads/1/3/0/2/130291355/8787093.pdf
    • http://thevidtip.com/uploads/1/3/0/6/130604748/puzuvuzudapajetotami.pdf
    • http://psychicreadingsbyjohn.com/uploads/1/3/0/6/130621019/bd1f0f1f08e9e.pdf
    • http://witheringintheheat.com/uploads/1/3/0/7/130740212/dabc27b6.pdf
    • http://curvo.org/uploads/1/3/0/4/130488759/2377409.pdf
    • http://rose-from-concrete.com/uploads/1/3/0/5/130589239/gisatufapujide_bosavabuk_bawutuvugodiw_xofogesosu.pdf
    • http://mrhealy.com/uploads/1/3/0/6/130639537/7864004.pdf
    • http://myeagerlaw.com/uploads/1/3/0/5/130589122/romakevifu.pdf
    • http://woohoothings.com/uploads/1/3/0/5/130588762/lazimorozotu.pdf
    • http://office.technowledge.com/uploads/1/3/0/6/130604724/130604724.html#best+scanned+pdf+to+word+converter+online

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000033e7.bin
df2af3bf451f3ae69458edf56ee4e9a08d8aca0f9455801c27b8dad81fe9e437		 pdf-font-stream PDF embedded font (sfnt) at offset 0x33E7 8240 bytes

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