Malicious PDF — malware analysis report

Static analysis result for SHA-256 c08ddc8cf60f63ee…

MALICIOUS

PDF

40.7 KB Authoring application: Solid Converter PDF
MD5: c15d6ee2d428f17cb9e3451661f73fef SHA-1: 09daba2873c90a6cb0e56190067bc0b536dfb66a SHA-256: c08ddc8cf60f63ee9152efc9f6fcc70934be8ce7c6f2290e8c246cbe51b9aa98
128 Risk Score

Malware Insights

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

The PDF file contains a large number of external links, identified as a 'PDF_SEO_LINK_FARM' heuristic. The document body, though heavily corrupted, contains fragments suggesting urgency, such as 'account will be terminated' and 'action required within 24 hours'. The ClamAV detection 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports a phishing or malicious redirection intent. The primary attack pattern involves directing users to a malicious website via the embedded links.

Heuristics 4

  • 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
  • Urgency / deadline lure low SE_URGENCY_LURE
    Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
  • 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://www.symphonic-galore.com/uploads/1/3/0/7/130739938/54d793e4c59.pdf
    • http://insiderart.org/uploads/1/3/0/9/130969562/8825683.pdf
    • http://mrsbrennersbiology.com/uploads/1/3/0/6/130621803/a52590f6c926e80.pdf
    • http://balanceaftercancer.org/uploads/1/3/0/9/130969278/febotidinemoxozos.pdf
    • http://www.auctioncincy.com/uploads/1/3/0/5/130540583/sudasopoferi.pdf
    • http://www.burenerdene.com/uploads/1/3/0/4/130435746/fonofevonika.pdf
    • http://millwoodsphysiotherapy.com/uploads/1/3/0/6/130621801/kopakonedaw-sipemo-gedebu-zadunuruzadafa.pdf
    • http://nurseries.shop/uploads/1/3/0/5/130541733/ripofozirabog.pdf
    • http://httpcolorado-dac.org/uploads/1/3/0/8/130873965/8092143.pdf
    • http://www.pethellas.com/uploads/1/3/0/4/130435553/9c431e2.pdf
    • http://rightjoin.com/uploads/1/3/0/2/130270985/3641625.pdf
    • http://uxforhire.com/uploads/1/3/0/7/130775968/jeranolotinibagot.pdf
    • http://definitest.com/uploads/1/3/0/8/130814845/kufofeno.pdf
    • http://ashish-jain.me/uploads/1/3/0/6/130605416/nakofosadokubo_dorubir_xoxebowepiwiri.pdf
    • http://www.thaochibi.com/uploads/1/3/0/4/130436033/a408250b2fb968.pdf
    • http://rapidcityroofrepair.net/uploads/1/3/0/7/130740461/3118709.pdf
    • http://s4cm.com/uploads/1/3/0/2/130272420/guzot.pdf
    • http://hostmaster.manchesterplumber247365.co.uk/uploads/1/3/0/6/130639624/467cce91c090e.pdf
    • http://www.dev2018.digcitinstitute.com/uploads/1/3/0/7/130775411/130775411.html#preeclampsia+blood+pressure+up+and+down
    • http://www.symphonic-galore

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00004039.bin
f1f3fa6c45e9d39272eb2ac0b2ec1b66088fb5fd20c667b679aec82b516c9476		 pdf-font-stream PDF embedded font (sfnt) at offset 0x4039 8436 bytes

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