Malicious PDF — malware analysis report

Static analysis result for SHA-256 8b94cb47ca479360…

MALICIOUS

PDF

37.2 KB Authoring application: pdf-parser
MD5: a1d2d8da36be725699e4caf8ec488058 SHA-1: e42980946207d033b8873eed52ffb13cd5908b1e SHA-256: 8b94cb47ca4793604501936d51d31957b92cdb1256f65bf49c418cfa3b607b94
150 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains a large number of external links to other PDF files, a technique commonly used for SEO poisoning and phishing lures. The ClamAV detection as 'Pdf.Phishing.TtraffRobotInstall-7605656-0' and the ML classifier output strongly indicate malicious intent. The document body, though partially corrupted, suggests a lure related to ACCA exam papers, aiming to trick users into downloading further malicious content.

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://mickeyandminis.com/uploads/1/3/0/5/130551182/parot.pdf
    • http://clcboston.com/uploads/1/3/0/3/130324278/zupikisijotere.pdf
    • http://locksmithracine.com/uploads/1/3/0/5/130543870/8093908.pdf
    • http://trilliumdayspaonjohnsriver.com/uploads/1/3/0/6/130603747/548c1a811.pdf
    • http://redsilkpro.com/uploads/1/3/0/6/130640159/zupewoxolosus.pdf
    • http://homeric-cards.com/uploads/1/3/0/6/130640049/51f31fb26a6.pdf
    • http://popsinc.net/uploads/1/3/0/2/130291838/8793975.pdf
    • http://blitzmastery.com/uploads/1/3/0/4/130478009/zokoraj.pdf
    • http://annafriendfilm.com/uploads/1/3/0/2/130271124/7672096.pdf
    • http://aksbutter.com/uploads/1/3/0/8/130815277/lubisupuguwofo_tiwiru.pdf
    • http://gwcustomsbrokers.com/uploads/1/3/0/2/130272937/piboxudup.pdf
    • http://metrodhc.com/uploads/1/3/0/2/130272355/0b63ba850cb2fa5.pdf
    • http://larrinbaker.com/uploads/1/3/0/5/130551202/pasede.pdf
    • http://vertudevelopment.com/uploads/1/3/0/4/130483728/ropuvidowimajufom.pdf
    • http://aharesidents.com/uploads/1/3/0/7/130776083/joforiwasera_sulolijafurit.pdf
    • http://jasonseto.com/uploads/1/3/0/5/130588461/xexadafegerowipatem.pdf
    • http://bluwooddesigns.co.uk/uploads/1/3/0/3/130379363/471ef1e85308.pdf
    • http://charliehandsome.com/uploads/1/3/0/6/130639358/zurubego.pdf
    • http://justscarves.net/uploads/1/3/0/2/130287307/guron_wifesonubek.pdf
    • http://simone.xsideas.com/uploads/1/3/0/6/130639436/130639436.html#acca+ma1+past+exam+papers+pdf
    • http://homeric-cards.com/uploads/1/3/0/6/130640049/51

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000032e0.bin
e166930b0e075acf546be15b0462626892ca93441b12781cf9fc26637bcc7b93		 pdf-font-stream PDF embedded font (sfnt) at offset 0x32E0 8044 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.