Malicious PDF — malware analysis report

Static analysis result for SHA-256 f63e07e4b9844d26…

MALICIOUS

PDF

37.2 KB Authoring application: Serif PagePlus
MD5: 6a90dec2ff63cc3436a55aa55ff0e282 SHA-1: 9183f4ddc0765957bb83d72dcf88044d2e0d52fe SHA-256: f63e07e4b9844d2617dd7d1f23c6680761fbf93a2f32d4f92bd7a73ed8196ffc
120 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded links to external PDF documents, as indicated by the PDF_SEO_LINK_FARM heuristic. The ClamAV detection of 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports a malicious intent, likely related to phishing or traffic redirection. The document body text, though heavily corrupted, contains phrases related to document conversion, which could be a lure. The primary attack pattern involves directing users to a network of external URLs.

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://oliviaiannotti.com/uploads/1/3/0/5/130539046/4019408.pdf
    • http://laising-swd.de/uploads/1/3/0/2/130273576/wapiv_jugewakirefubu_viduz_mizotagevafulup.pdf
    • http://socialcooling.org/uploads/1/3/0/6/130603975/5363728.pdf
    • http://ownmurrieta.com/uploads/1/3/0/6/130604191/2899636.pdf
    • http://www.amirakdesigns.com/uploads/1/3/0/5/130590700/9139425.pdf
    • http://schmittwoodworkingllc.com/uploads/1/3/0/7/130740340/wabenolitib.pdf
    • http://legendmuzic.com/uploads/1/3/0/4/130476747/95d6913fb1.pdf
    • http://pfopnodak.com/uploads/1/3/0/5/130589056/leguvavikom.pdf
    • http://nshoilpurifier.com/uploads/1/3/0/5/130544872/galesip_luparowijenutak.pdf
    • http://charlotteraby.com/uploads/1/3/0/3/130324037/2e3fd8b.pdf
    • http://weblacarte.com/uploads/1/3/0/6/130604505/5456934.pdf
    • http://matt-dana-wedding.com/uploads/1/3/0/6/130640198/rawovuwazilo_pajadip_zowenawafol_nikiwuwewawono.pdf
    • http://cqe8.brdge.org/uploads/1/3/0/5/130550969/130550969.html#comment+convertir+un+document+wordpad+en+pdf

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00003907.bin
8d7a6ee0635543cb55c04d70c816ac5f9870df6b3609765f796caee563233ada		 pdf-font-stream PDF embedded font (sfnt) at offset 0x3907 8908 bytes

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