Malicious PDF — malware analysis report

Static analysis result for SHA-256 b4755b4e92474735…

MALICIOUS

PDF

44.5 KB Authoring application: Mobipocket Creator
MD5: 72a60f950e550b04510d5d74ec5c8e9f SHA-1: 55b468f1d3ec79ec6ec87e16d276ae6aa0b48c11 SHA-256: b4755b4e92474735d25cacc9925f4c8f56d96d61ce613d2ea9128672f6ca0ea2
120 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded URLs pointing to external PDF documents, a technique often used for SEO spam or phishing. The ClamAV detection 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports a phishing or malicious redirection intent. No scripts were extracted from this sample, limiting the ability to determine specific payload delivery mechanisms.

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://musclegear-asia.com/uploads/1/3/0/3/130323124/xodeluvixopux.pdf
    • http://technicolordesign.net/uploads/1/3/0/3/130312934/zilimod.pdf
    • http://varicohealth.org/uploads/1/3/0/5/130588220/5879740.pdf
    • http://www.actionthink.org/uploads/1/3/0/2/130287261/basarajoxaxanewomope.pdf
    • http://ctsretreat.com/uploads/1/3/0/6/130640227/bigigiwe.pdf
    • http://wrestlingunmasked.com/uploads/1/3/0/2/130270901/magubitesisaj.pdf
    • http://conscience-ai.com/uploads/1/3/0/6/130604637/4147958.pdf
    • http://www.ddartcreations.com/uploads/1/3/0/2/130289688/c1c50.pdf
    • http://singaporenails.com/uploads/1/3/0/7/130775429/vetamunotiramuz_dunawep.pdf
    • http://saukrapidsbaseball.org/uploads/1/3/0/3/130379291/todupinewev.pdf
    • http://chitchatthisthat.com/uploads/1/3/0/3/130324152/47c1d00f81b33.pdf
    • http://adimef.com/uploads/1/3/0/7/130738597/rinalexebizikapo.pdf
    • http://cloud-able.com/uploads/1/3/0/8/130874575/3040977.pdf
    • http://serviciosaaa.com.co/uploads/1/3/0/2/130270796/maxofajejed.pdf
    • http://kimghattas.net/uploads/1/3/0/7/130739150/wonudit.pdf
    • http://stepbystepproductions.com/uploads/1/3/0/7/130775011/gokemixup_pugejetilil_sulolanizaz_romid.pdf
    • http://newhomestelevision.com/uploads/1/3/0/4/130435960/b6e2843e6.pdf
    • http://drrichardarcher.com/uploads/1/3/0/6/130620737/lerapopilelopodabim.pdf
    • http://chokola.com/uploads/1/3/0/2/130289809/7d294.pdf
    • http://whm.coprimag.com/uploads/1/3/0/8/130873965/130873965.html#cheats+gta+san+andreas+video+game
    • http://wrestlingunmasked

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00004eb7.bin
8b4377705d0a576e6db44ad7dcf8150a1a808f2d93a364033dc6fa741bf1017c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x4EB7 8400 bytes

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