Malicious PDF — malware analysis report

Static analysis result for SHA-256 f95f95bdcee867e6…

MALICIOUS

PDF

32.3 KB Authoring application: Pdftk
MD5: 0b7a96f8913aba4da52ab5436f93cea2 SHA-1: b22567d089351898c57d68733b34ccd564eed861 SHA-256: f95f95bdcee867e6be0a8d6ef2464f46931664208e4e3264afa30d34fabad081
150 Risk Score

Malware Insights

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

The PDF file was flagged by multiple heuristics, including a critical PDF_SEO_LINK_FARM rule and ClamAV detection as Pdf.Phishing.TtraffRobotInstall-7605656-0. The document body contains numerous embedded URLs, suggesting a phishing or malicious redirection attempt. The primary attack pattern involves a link farm designed to distribute traffic across many external PDF files, likely for SEO poisoning or to host 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://weruntheforest.co.nz/uploads/1/3/0/4/130483606/jivazazixu-fazufulodubijo-zediku.pdf
    • http://webdisk.pflaghouston.org/uploads/1/3/0/6/130621294/eb8ec.pdf
    • http://carlosdevilanova.com/uploads/1/3/0/8/130814104/domobefuseg-bemop-mosip.pdf
    • http://fkox.com/uploads/1/3/0/6/130639273/805069456479a.pdf
    • http://www.alexanderyoga.net/uploads/1/3/0/2/130273589/lakumimokaz.pdf
    • http://hodllife.ca/uploads/1/3/0/4/130483866/d1bca.pdf
    • http://haloesmixers.com/uploads/1/3/0/5/130589083/9bc01.pdf
    • http://www.samanthasgoldendoodles.com/uploads/1/3/0/7/130738525/juleva.pdf
    • http://stylebyquilo.com/uploads/1/3/0/2/130271116/128d65732c3a291.pdf
    • http://nailwitchery.com/uploads/1/3/0/3/130379675/5195c44276.pdf
    • http://texasqualitybengals.com/uploads/1/3/0/2/130289313/gimoxudaposavugafi.pdf
    • http://trumpdisciple.org/uploads/1/3/0/7/130739294/fevaxesoti_zokazaki.pdf
    • http://essentiallyoil.net/uploads/1/3/0/3/130313230/9441558.pdf
    • http://anonymousimage.org/uploads/1/3/0/6/130620168/lakodurifedagug.pdf
    • http://charlestonvillagehall.co.uk/uploads/1/3/0/7/130776096/finadamukuvaleb.pdf
    • http://greenspacelearning.com/uploads/1/3/0/5/130588762/tatowonuw.pdf
    • http://mta-sts.bowleyconsult.com/uploads/1/3/0/6/130639362/siwetixogav-lafakiko-kapatozukep-lowilizajim.pdf
    • http://www.hjboutique.com/uploads/1/3/0/4/130436054/b4ebb68.pdf
    • http://piercingpoli.com/uploads/1/3/0/4/130476574/poruxejijiv.pdf
    • http://my-auto-max.com/uploads/1/3/0/4/130483477/batatubobufav.pdf
    • http://karaltd.co.uk/uploads/1/3/0/7/130776023/tedajonegoditus.pdf
    • http://rimavop.store/uploads/1/3/0/4/130488616/5186242.pdf
    • http://koppsinmalawi.com/uploads/1/3/0/6/130604795/8746657.pdf
    • http://north42sales.ca/uploads/1/3/0/6/130620632/bca68111dc7.pdf
    • http://united56.pleasingfood.com/uploads/1/3/0/3/130313299/130313299.html#kuta+software+infinite+geometry+special+right+triangles+answer+key
    • http://karaltd.co.uk/uploads/1/3/0/7/130776023

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00001d76.bin
557c23a1952683db182a8698db10286eaf9a0a7c38f9f59c95f9adc87a6d95cf		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1D76 6724 bytes

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