Malicious PDF — malware analysis report

Static analysis result for SHA-256 d441c12412994002…

MALICIOUS

PDF

29.0 KB Authoring application: Pdftk
MD5: 5b885e5e145085dbf1436e1811d37c98 SHA-1: 4334b1bc57fa35718b43b873abd54edfe3020465 SHA-256: d441c12412994002f34ac219f2b981c3cfc4c7916fa574280e0e656c2a15b403
120 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 PowerShell

The PDF contains a large number of external links, identified as a link farm, which is a common technique for SEO poisoning and phishing. The ClamAV detection 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports the phishing classification. The embedded URLs are likely used to redirect users to malicious content or further stages of an attack.

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://printable-ebooks.com/uploads/1/3/0/5/130590637/3772687.pdf
    • http://hostmaster.casanossasenhoradavitoria.com/uploads/1/3/0/8/130874347/genogimajuzusi.pdf
    • http://shotcomposer.com/uploads/1/3/0/5/130588617/winafozevovimuma.pdf
    • http://netherhaughfarm.com/uploads/1/3/0/6/130604871/3a876d0ba.pdf
    • http://pagesustainability.com/uploads/1/3/0/7/130739633/7915242.pdf
    • http://ludlowvtencomium.com/uploads/1/3/0/3/130323174/fezomuzazekafi.pdf
    • http://thesustainables.net/uploads/1/3/0/6/130620674/zekererij.pdf
    • http://helloburbs.com/uploads/1/3/0/3/130323155/d3df3dd42.pdf
    • http://footstepsauto.org/uploads/1/3/0/6/130603855/a7b841aa4b5.pdf
    • http://benzunhinged.net/uploads/1/3/0/6/130620401/1204758.pdf
    • http://chaiyee.com/uploads/1/3/0/4/130478819/badajesebe.pdf
    • http://newmomcompany.com/uploads/1/3/0/2/130271015/xukunefufefer.pdf
    • http://firstsucks.com/uploads/1/3/0/5/130550981/4962645.pdf
    • http://northshorebostonrealtor.com/uploads/1/3/0/4/130477146/842df3.pdf
    • http://beingself-centered.com/uploads/1/3/0/5/130539450/130539450.html#3m+vhb+tape+installation

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00001878.bin
f79f804d6895ce814b09031cea8b3e8a64f9cca486babacf80aea07afb19f952		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1878 7420 bytes

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