Malicious PDF — malware analysis report

Static analysis result for SHA-256 fca857a647f20f4f…

MALICIOUS

PDF

41.0 KB Authoring application: ImageMagick
MD5: 8c0c3284a81828805d80b227648bfca6 SHA-1: 184cf9ccd804b86d26634e196eeba70289476bbd SHA-256: fca857a647f20f4f8ba70a46a8dd83cae433a4de6026d2240d6548f0772c58cc
128 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF file contains a large number of embedded external links, identified by the PDF_SEO_LINK_FARM heuristic. This suggests a link farm or redirection mechanism designed to lead users to malicious websites. The ClamAV detection as 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports a phishing or malicious traffic generation intent. The document body, though heavily obfuscated, contains references to educational materials, potentially as a lure.

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
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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://5toolgroup.com/uploads/1/3/0/6/130604475/aeb3380.pdf
    • http://eunoiatherapysd.com/uploads/1/3/0/8/130814007/3d048b47111475.pdf
    • http://www.edenbeauty.org/uploads/1/3/0/7/130775186/3767402.pdf
    • http://www.flyandtrendy.shop/uploads/1/3/0/6/130621840/2437190.pdf
    • http://suite420marketing.com/uploads/1/3/0/6/130639513/muduredopage.pdf
    • http://mistressvexx.com/uploads/1/3/0/2/130270843/a395d0f1ec34e.pdf
    • http://cumberlandluxuryhomes.com/uploads/1/3/0/2/130291593/muvedef.pdf
    • http://gogetwet.com/uploads/1/3/0/5/130588288/8492080.pdf
    • http://ororossodelmonferrato.com/uploads/1/3/0/5/130590191/494858.pdf
    • http://shop.accordionapocalypse.com/uploads/1/3/0/6/130621937/lobami.pdf
    • http://rapidcitywebsites.com/uploads/1/3/0/7/130776131/kavefupose_tifis_nisekotizugi_gurovorogujilag.pdf
    • http://susanwhitingyoga.com/uploads/1/3/0/4/130489097/474455.pdf
    • http://www.jemempirebling.com/uploads/1/3/0/9/130969991/kojuzexuga.pdf
    • http://www.vinasupermarket.com/uploads/1/3/0/5/130551050/nidexusenuvewugobusu.pdf
    • http://fivewaysofwomen.com/uploads/1/3/0/6/130621437/3853290.pdf
    • http://gcprotectiveservices.com/uploads/1/3/0/4/130494743/pafij.pdf
    • http://springbrookaerospace.com/uploads/1/3/0/7/130740015/8762706.pdf
    • http://autodiscover.monroecoswcd.org/uploads/1/3/0/7/130740617/gudipu-vasedumolamone-ludejifowa.pdf
    • http://3086fitness.com/uploads/1/3/0/5/130546937/5196938.pdf
    • http://adarchivist.net/uploads/1/3/0/2/130270808/7457742.pdf
    • http://stadscafemeesters.net/uploads/1/3/0/6/130639980/130639980.html#10th+class+science+ncert+book+answers

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00004177.bin
51cea667d25912bc79277d8397b77cba1e4569a08282ed302357b3331c5bda52		 pdf-font-stream PDF embedded font (sfnt) at offset 0x4177 7736 bytes

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