Malicious PDF — malware analysis report

Static analysis result for SHA-256 1da492a27850ae68…

MALICIOUS

PDF

31.4 KB Authoring application: PDFedit First seen: 2020-09-24
MD5: 388a0e68a0d5b1dcf0cf9ece62ad9f15 SHA-1: bae6bc366c8bae0b99512e8afca4fd8e09af00a3 SHA-256: 1da492a27850ae68cf00ca9545f1a0f07c5e4457cce69c103f7a8d1c204bc3de
150 Risk Score

Malware Insights

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

The critical PDF_SEO_LINK_FARM heuristic indicates this PDF contains a large number of external links, with the first pointing to xgolfabilene.com. ClamAV also detected this as Pdf.Phishing.TtraffRobotInstall. This suggests the document is designed to redirect users to a malicious site, likely for phishing or to download further malware. The embedded URLs are the primary indicators of malicious activity.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9999

Heuristics 3

  • ClamAV: Pdf.Phishing.TtraffRobotInstall-7605656-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.TtraffRobotInstall-7605656-0
  • 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.
  • 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://xgolfabilene.com/uploads/1/3/0/7/130739878/vozaganurorogunav.pdf
    • http://feldbeckereyspatz.de/uploads/1/3/0/6/130621101/6011232.pdf
    • http://plumtreefloraldesign.com/uploads/1/3/0/3/130312972/dapumabesege.pdf
    • http://seed2bowlfarm.com/uploads/1/3/0/6/130640046/geledikowubiv.pdf
    • http://msrhondajwilliams.com/uploads/1/3/0/2/130291785/ragililajufitafurune.pdf
    • http://cardinalparkequine.com/uploads/1/3/0/7/130775725/jefuzid.pdf
    • http://lakenonalionsband.com/uploads/1/3/0/5/130543684/2847b.pdf
    • http://hostmaster.prophysiohealth.co.uk/uploads/1/3/0/7/130775977/jopaf-xuperili.pdf
    • http://brickalation.com.au/uploads/1/3/0/8/130874370/3870500.pdf
    • http://effectivepmc.net/uploads/1/3/0/4/130488604/guwerilubo-gesebazogira-webofo-xebadawev.pdf
    • http://www.ezcetak.com/uploads/1/3/0/6/130639565/xorakuzilide.pdf
    • http://easyinsoles.com/uploads/1/3/0/7/130776304/130776304.html#hlookup+in+excel+video+in+hindi
    • http://feldbeckereyspatz.de/uploads

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000022ee.bin
fd99ebdecd295b14061eb7957328a90286d1ddb118998239c7503cf5b4e5d7ee		 pdf-font-stream PDF embedded font (sfnt) at offset 0x22EE 8048 bytes

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