Malicious PDF — malware analysis report

Static analysis result for SHA-256 29c9c6df1839758e…

MALICIOUS

PDF

48.7 KB Authoring application: Pdftk
MD5: 718d3b42fcc9133db01ce9a7c1f48fe1 SHA-1: 7fe060a07f5da71d0b12523c51690c0a7e21f3d2 SHA-256: 29c9c6df1839758e5bd56bd8ca86790b1bd732b2b8a828a607643a5bf4fff248
128 Risk Score

Malware Insights

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

The PDF contains a large number of embedded links to external PDF files, a technique often used for SEO manipulation or to host phishing content. ClamAV detected this file as 'Pdf.Phishing.TtraffRobotInstall-7605656-0', indicating a phishing or traffic redirection purpose. The presence of a visual download button further supports a lure-based attack pattern.

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://mayday-press.net/uploads/1/3/0/6/130620479/435629.pdf
    • http://nangreypottery.com/uploads/1/3/0/6/130621313/lusiwod_tiriwi.pdf
    • http://bebek.paulcotyantiques.com/uploads/2020/01/28/widituriwotibarulew.pdf
    • http://pouncyhouse.com/uploads/1/3/0/6/130639481/powutuju.pdf
    • http://bmorewell.com/uploads/1/3/0/5/130588927/6bd497668.pdf
    • http://emmycodes.com/uploads/1/3/0/6/130639411/natanodoribeji-zodulop-zefeka-zeranekaj.pdf
    • http://neokundalini.org/uploads/1/3/0/6/130620719/130620719.html#aptet+model+papers+2018+with+answers

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00001124.bin
e0ce3e7091f5dc03096066ef24b44cb00916c2bc990e8aa8f5b8c37ff03a0bbe		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1124 8620 bytes
font_01_sfnt_off00007877.bin
0985dcc10ce56f4e78f900edb99cc3691ea9e0d76bea8af46f7d59877e8447db		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7877 16156 bytes

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