Malicious PDF — malware analysis report

Static analysis result for SHA-256 36f19d6bf56eed61…

MALICIOUS

PDF

36.9 KB Authoring application: Nitro PDF
MD5: 1862bed29937719db67c2e9cde5ca5ff SHA-1: 8fbf1d5275ef35c9f11023457ed0b6f624c0aecf SHA-256: 36f19d6bf56eed61981a01f956fc5adfaeb54878db4daf5a9710dc04c3b56deb
150 Risk Score

Malware Insights

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

The PDF contains a large number of embedded URLs pointing to other PDF files, a technique often used for SEO manipulation or to distribute further malicious content. The ClamAV detection as 'Pdf.Phishing.TtraffRobotInstall-7605656-0' and the ML classifier strongly indicate malicious intent. The document body is heavily obfuscated and unreadable, but the presence of numerous external links is the primary indicator of the attack pattern.

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://ustruckingsolutionsllc.com/uploads/1/3/0/7/130740616/976ef081fe.pdf
    • http://nakitahogans.com/uploads/1/3/0/2/130288722/4936394.pdf
    • http://lariateers.com/uploads/1/3/0/2/130291827/mojulovovegu-bunerojotevi.pdf
    • http://missionbeachcaravanpark.com/uploads/1/3/0/4/130489926/bfa8a4d55c1006d.pdf
    • http://konahypnosis.com/uploads/1/3/0/5/130588685/wivejogutosubo.pdf
    • http://moderntabletoprva.store/uploads/1/3/0/8/130874565/tomeji.pdf
    • http://trails4tailsfest.org/uploads/1/3/0/8/130813632/2992049.pdf
    • http://cathysage.com/uploads/1/3/0/3/130313102/9944982.pdf
    • http://escaperoomcville.com/uploads/1/3/0/5/130550794/7180353.pdf
    • http://narrinspiceandsauce.com/uploads/1/3/0/6/130605275/8747971.pdf
    • http://office-zagreb.com/uploads/1/3/0/5/130544232/c5bb73.pdf
    • http://condosinmanila.com/uploads/1/3/0/5/130540097/kijugiremekalup-japaga-suwijabibeze.pdf
    • http://drfuentes.net/uploads/1/3/0/6/130639192/4792502.pdf
    • http://nw9.me/uploads/1/3/0/5/130551249/vaduvigosij-zudidos-wajojinixenez.pdf
    • http://thenintendoclubpodcast.com/uploads/1/3/0/6/130639325/xodatuboworowobosaji.pdf
    • http://mrsbhatt.com/uploads/1/3/0/7/130739705/4529558.pdf
    • http://honeybeejs.com/uploads/1/3/0/8/130874264/8fc968007c.pdf
    • http://jarofthreads.com/uploads/1/3/0/3/130379462/vemijuza.pdf
    • http://wilkes-barrecity.com/uploads/1/3/0/2/130270798/fakefutova.pdf
    • http://frontlineforensics.org/uploads/1/3/0/7/130775853/tulilokadagokak-fuvilewaw-derisowo-kodokudi.pdf
    • http://browthreadingstudio.com/uploads/1/3/0/8/130814343/wifudekan.pdf
    • http://host117.carmichaelnl.com/uploads/1/3/0/6/130620852/130620852.html#how+to+convert+pdf+to+word+adobe+acrobat
    • http://frontlineforensics.org/u

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00003060.bin
104243cc5d1e8bddb9f285eea6236610a194b4b13050a5121b48358080c4e2d3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x3060 7708 bytes

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