Malicious PDF — malware analysis report

Static analysis result for SHA-256 4dd1ec293dd31793…

MALICIOUS

PDF

39.8 KB Authoring application: SWFTools
MD5: 27fc055c24877f2c34ef6ded5b3e580b SHA-1: 6bbb8830c564f91304d44c9c22ddab091a9db053 SHA-256: 4dd1ec293dd3179388b52482935f0b904f2bb2b873586a375f20c43d75fbc986
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 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 spam or to distribute malware. The ClamAV detection and ML classifier strongly indicate malicious intent. The heuristic 'PDF_SEO_LINK_FARM' specifically identifies the mass external PDF link farm, with the primary domain being 692334733477319881.com. No scripts were extracted from this sample.

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://692334733477319881.com/uploads/1/3/0/4/130436139/suxupizaronapatek.pdf
    • http://sstvipgroup.com/uploads/1/3/0/2/130291493/0cc2c854cc.pdf
    • http://www.r9.justinecandoit.com/uploads/1/3/0/7/130739714/takigari_fozaxanurumo_zekizuvivuwi_gakijigas.pdf
    • http://daniellesmakeupcreations.com/uploads/1/3/0/5/130539679/2113194.pdf
    • http://abundantlifemartinsville.com/uploads/1/3/0/6/130604375/84299.pdf
    • http://interactionfitness.com.au/uploads/1/3/0/7/130739503/pisuxenili-tirev-doduwenika.pdf
    • http://marnistahlman.com/uploads/1/3/0/6/130620427/kapofebulukupak.pdf
    • http://erchog.com/uploads/1/3/0/2/130271046/6085752.pdf
    • http://micahkay.net/uploads/1/3/0/2/130287419/9202854.pdf
    • http://heidihaddad.org/uploads/1/3/0/4/130475921/257cb2.pdf
    • http://320ninth.com/uploads/1/3/0/7/130775293/vazibegupoguf.pdf
    • http://leevanzylpsychicmedium.com/uploads/1/3/0/6/130640033/mekaweviga.pdf
    • http://mail.andrewscole.com/uploads/1/3/0/5/130590036/zokawagodukimar-sijug-xivuv-dipujo.pdf
    • http://2clearlycharming.com/uploads/1/3/0/5/130544702/fbae42.pdf
    • http://babenow.com/uploads/1/3/0/6/130621531/zozajeluravatun_xenanagoroguf_lenor.pdf
    • http://evanpetersoncomedy.com/uploads/1/3/0/7/130775531/silijukujudataw.pdf
    • http://www.canadiancannabelle.ca/uploads/1/3/0/6/130604689/tojexikomupu_noliwutan_tebuxo_mejude.pdf
    • http://peter-the-printer.com/uploads/1/3/0/5/130588964/mapateju.pdf
    • http://www.bluejupiter.com/uploads/1/3/0/8/130874320/d9bb3a52f2.pdf
    • http://clarender.com/uploads/1/3/0/3/130323596/57af843a.pdf
    • http://tonoccus.com/uploads/1/3/0/7/130738759/bukewixawizisuga.pdf
    • http://saczombies.joinzombieclub.com/uploads/1/3/0/4/130488415/130488415.html#download+singapore+mrt+map
    • http://sstvipgroup.com/uploads/

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00003995.bin
c8606fd93d0b3d36449abdd68a8c214fad0237e22870301486c51e2e6a83c9c6		 pdf-font-stream PDF embedded font (sfnt) at offset 0x3995 8576 bytes

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