Malicious PDF — malware analysis report

Static analysis result for SHA-256 f6599df99633f046…

MALICIOUS

PDF

39.1 KB Authoring application: Poppler-utils
MD5: 0d8a8e5e662d5edfb4021abc2d5dec7a SHA-1: 1a8dad6d6423165c7ec832624df411579954b689 SHA-256: f6599df99633f046f9f31c755eea5eedcbe9cf71c5591676c9e6fe98a03da935
150 Risk Score

Malware Insights

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

The PDF contains a large number of embedded URLs pointing to other PDF files, a technique commonly used for SEO manipulation or to distribute further malicious content. ClamAV identified this as Pdf.Phishing.TtraffRobotInstall-7605656-0, and a machine learning classifier also flagged it as malicious with high confidence. The document body appears to be corrupted or heavily obfuscated, preventing analysis of its specific content or intent beyond the link farm.

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://elitehockeyleagues.com/uploads/1/3/0/4/130488509/xusimovewajetafuposi.pdf
    • http://usafachapters.org/uploads/1/3/0/5/130543279/tugufuxomitokir.pdf
    • http://joangaeta.org/uploads/1/3/0/4/130483202/xowifadubarikenirapi.pdf
    • http://goyshop.site/uploads/1/3/0/3/130313221/8719998.pdf
    • http://www.dreamsmithmedia.com/uploads/1/3/0/7/130740514/2938850.pdf
    • http://skatefiction.com/uploads/1/3/0/5/130588824/ef4c35f0858.pdf
    • http://mexicolegalhelp.com/uploads/1/3/0/2/130287923/basuzovubifap-sogipikusos-zavolakebu-tirufobesa.pdf
    • http://7soundenergy.com/uploads/1/3/0/4/130491179/kofolevop.pdf
    • http://milotheclown.com/uploads/1/3/0/7/130775232/mazizupapula.pdf
    • http://corpoevida.info/uploads/1/3/0/5/130590140/pibopefabonubovibe.pdf
    • http://pfbclan.com/uploads/1/3/0/2/130272080/malazeregejolomavoru.pdf
    • http://smartliftvest.net/uploads/1/3/0/6/130639575/0650beb185.pdf
    • http://edmontoncompressionstocking.com/uploads/1/3/0/5/130551564/9880532.pdf
    • http://the-boujee-boutique.com/uploads/1/3/0/4/130483417/f584fa19b463b.pdf
    • http://repro.design/uploads/1/3/0/6/130622000/d08eaf79.pdf
    • http://www.noosalittlecove.com/uploads/1/3/0/9/130969429/4859768.pdf
    • http://stand2serve.org/uploads/1/3/0/8/130873992/gedevuxitekuwi.pdf
    • http://chloecustomcollections.com/uploads/1/3/0/4/130488513/gosupivometupexudi.pdf
    • http://brandywinepet.com/uploads/1/3/0/6/130604884/doterukujuve.pdf
    • http://crankshaftmotorcarclub.com/uploads/1/3/0/5/130551387/gamati.pdf
    • http://calcorpinc.com/uploads/1/3/0/5/130538923/notutepuforej-kotoral-relafis-tufatapuxokuxeb.pdf
    • http://morningmoonseniors.com/uploads/1/3/0/6/130620282/buvikageboju.pdf
    • http://thehappyhippiecbd.com/uploads/1/3/0/9/130969480/3815290.pdf
    • http://mrulmersmathunit.com/uploads/1/3/0/5/130551103/putirogoxosa-tidelikojaremir.pdf
    • http://o6wvhz.salon225.com/uploads/1/3/0/7/130775271/130775271.html#augustus+apixaban+trial+pdf

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000035dd.bin
13dcbb93178afaa4534fcf3f582466ffe37ae08fbb58d295e150934f4c6de74e
pdf-font-stream PDF embedded font (sfnt) at offset 0x35DD 7836 bytes