Malicious PDF — malware analysis report

Static analysis result for SHA-256 3ec815edddac6ab0…

MALICIOUS

PDF

38.2 KB Authoring application: Adobe PDF Library 9.0
MD5: 40f98ffe15e81ffe0dbadbb54674fa18 SHA-1: 2444bcfc2d978dbde775248a216cb3cf82537ac5 SHA-256: 3ec815edddac6ab01cf2339cf3642f3d41c9aaace0ea0f98f817a1ab27ab44db
120 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded URLs pointing to other PDF files, indicating a link farm or distribution mechanism. The ClamAV detection as 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports a malicious intent. The primary attack pattern involves directing users to a multitude of external PDF resources, likely for SEO spam or to serve additional malicious payloads.

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://sufistudies.org/uploads/1/3/0/6/130604495/9dfa07d4b655bd1.pdf
    • http://wilsondigitalconsulting.com/uploads/1/3/0/3/130323612/09ee10c6ca1a879.pdf
    • http://www.bbf-cafe.store/uploads/1/3/0/2/130289800/mubebalodexebominori.pdf
    • http://eyitayoimportexport.com/uploads/1/3/0/5/130539338/rapuwaxabes-sunubuzadugope-dunexugenakokad-paguloluwuli.pdf
    • http://humblemarketkitchin.com/uploads/1/3/0/6/130620150/dc358035f03f.pdf
    • http://myrolemodel.info/uploads/1/3/0/4/130478314/fddc221e2a946b.pdf
    • http://moralguard.org/uploads/1/3/0/8/130815124/5faaae6.pdf
    • http://developmentechnwkllc.com/uploads/1/3/0/4/130436271/5880283.pdf
    • http://foldawards.com/uploads/1/3/0/7/130775606/b162ba4ea4ebe9.pdf
    • http://www.sodoughboyfresh.com/uploads/1/3/0/5/130546036/jigifunuve_zomuj.pdf
    • http://mongoliapdac.ca/uploads/1/3/0/3/130379237/vowagatusixixeg.pdf
    • http://whatsapp-computer.com/uploads/1/3/0/6/130620797/wubapu-nalake.pdf
    • http://french.awakeningtouch.ca/uploads/1/3/0/8/130874113/8574404.pdf
    • http://tarotkitchenwitch.com/uploads/1/3/0/4/130490488/xadil.pdf
    • http://cussingcaker.com/uploads/1/3/0/3/130379503/tuzuwapajalanek-vadewaliza-pisukowutazesi-jefifapana.pdf
    • http://cmtrader.net/uploads/1/3/0/5/130550700/waxon_kedegavijawike_fufexu_fatugidetube.pdf
    • http://laspadaitalia.com/uploads/1/3/0/7/130775497/vuwakokizosututi.pdf
    • http://theecoworrier.com/uploads/1/3/0/4/130483418/jebufidibozuri.pdf
    • http://www.mtdiablolandscaping.com/uploads/1/3/0/5/130590140/jovajisijenixo-rilowumozuruk-tujom-silorodo.pdf
    • http://theshatterpoint.com/uploads/1/3/0/6/130603887/1152f.pdf
    • http://boyntonbeachrecovery.com/uploads/1/3/0/6/130604111/9175844.pdf
    • http://crawlingtothetruth.com/uploads/1/3/0/8/130874510/130874510.html#lg+window+air+conditioner+manual+pdf
    • http://myrolemodel.info/

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000027ed.bin
bb66d78edca8aa75a8db461931e44ad6eab12e4cd439df836d92d13c6ef6c22d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x27ED 2668 bytes
font_01_sfnt_off000033b1.bin
f1d27fe4820e8a649e9f46f3b98c227d5ac449eb1a62c1374137f53bee91eac0		 pdf-font-stream PDF embedded font (sfnt) at offset 0x33B1 7848 bytes

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