Malicious PDF — malware analysis report

Static analysis result for SHA-256 eb659f79361d1199…

MALICIOUS

PDF

33.8 KB Authoring application: ImageMagick
MD5: 357999bc436e367c94a8042785b0ea54 SHA-1: 1028b06db82a36d8cf2e30413b4a483531017cf5 SHA-256: eb659f79361d11999949e56193119f63d1de52c50479b87b7c5a3af92482e6fe
150 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.001 PowerShell

The PDF contains a large number of embedded external links, identified by the PDF_SEO_LINK_FARM heuristic. The ML classifier and ClamAV detection strongly indicate malicious intent, specifically classified as 'Pdf.Phishing.TtraffRobotInstall-7605656-0'. The document body, though heavily obfuscated, contains URLs that are part of this link farm, suggesting a phishing or SEO-based distribution scheme.

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://friendsfriendsfriends.com/uploads/1/3/0/5/130540406/noxug.pdf
    • http://leighannhoffman.com/uploads/1/3/0/6/130639949/sezalomapipo.pdf
    • http://www.mauirealestateacademy.com/uploads/1/3/0/2/130271128/netewuf.pdf
    • http://nzlifeontheroad.com/uploads/1/3/0/7/130775242/53f55.pdf
    • http://stylesnsmilessalon.org/uploads/1/3/0/2/130289681/suvoje-pukatetiraridu-pigemepesapofeb.pdf
    • http://kiddiesurvivalkit.com/uploads/1/3/0/5/130542972/9022157.pdf
    • http://georgieshelpinghand.com/uploads/1/3/0/7/130740458/522522.pdf
    • http://earnware.info/uploads/1/3/0/6/130603989/55e809ccfc46.pdf
    • http://mta-sts.mx.ataempire.net/uploads/1/3/0/8/130813644/pigati-vujabobit.pdf
    • http://www.flatland-outfitters-llc.com/uploads/1/3/0/5/130545885/1208091.pdf
    • http://jmaisd.net/uploads/1/3/0/3/130324050/duliwonoxe.pdf
    • http://nannytram.com/uploads/1/3/0/6/130621664/eeb9d18c541d.pdf
    • http://andreamarryphil.com/uploads/1/3/0/5/130547024/mutorarak.pdf
    • http://www.leisureleather.net/uploads/1/3/0/5/130550857/wuwulogovubo_jalijive.pdf
    • http://olympic-custom-construction.com/uploads/1/3/0/4/130488590/3238134.pdf
    • http://weinspirewellness.com/uploads/1/3/0/7/130738511/3157458.pdf
    • http://mail.mcardlemedia.com/uploads/1/3/0/4/130477335/56232.pdf
    • http://elder-pathways.com/uploads/1/3/0/7/130740371/1b04ba.pdf
    • http://soxpal.com/uploads/1/3/0/3/130313044/2c19d150.pdf
    • http://preownedeye.com/uploads/1/3/0/4/130490410/lejajalulixoleg-dumilo.pdf
    • http://borders.space/uploads/1/3/0/3/130313826/nunulidir-samupabowej.pdf
    • http://host119.carmichaelnl.com/uploads/1/3/0/4/130477003/130477003.html#adobe+premiere+pro+cs3+free+download
    • http://weinspirewelln

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00002563.bin
b02ceb7c98db5f3796250e9ede07d346b608c2d83c8f082a81775a512ff59a5c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2563 7264 bytes

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