Malicious PDF — malware analysis report

Static analysis result for SHA-256 41f925a7741ea46e…

MALICIOUS

PDF

33.2 KB Authoring application: PDFedit
MD5: 54a9fdcab220375624859761bba1e389 SHA-1: e292c8172dfeb9ea7ca55c5fa1dc52d33766d480 SHA-256: 41f925a7741ea46e359189370647db33f813a03f8c20277dffa68e858af78bd0
120 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded URLs pointing to other PDF files, a technique commonly used for SEO poisoning or distributing malicious content. The ClamAV detection as 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports a malicious intent. The document body, though partially corrupted, mentions 'Karting Australia scrutineering form', suggesting a lure to trick users into downloading further malicious content.

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://naplesmarketresearch.com/uploads/1/3/0/5/130589214/1b6959f6b92f9.pdf
    • http://mvspropertymanagement.com/uploads/1/3/0/6/130620709/d0d4085e1.pdf
    • http://refuelledbybbfcafe.com/uploads/1/3/0/6/130639768/pisufiwinu-sovogen.pdf
    • http://nashvillebluetones.com/uploads/1/3/0/6/130605278/0f7a539646333.pdf
    • http://proseandcommas.org/uploads/1/3/0/6/130639172/mazereson.pdf
    • http://1m3dp.com/uploads/1/3/0/6/130621582/8874291.pdf
    • http://5toolgroup.com/uploads/1/3/0/5/130589384/nimewit-vinafur-zawexudarezal-kuwiboz.pdf
    • http://meteomonster22.weebly.com/uploads/1/3/0/3/130313718/f93bac3debb.pdf
    • http://cahabagrand.com/uploads/1/3/0/6/130621015/5005129.pdf
    • http://kaj.sellfarma.xyz/uploads/2020/01/28/4c1bdbf6297.pdf
    • http://drpatty.net/uploads/1/3/0/3/130313324/130313324.html#karting+australia+scrutineering+form

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00001163.bin
ae1e0e4fff86abf11d630591f74c4bc37524449178998467d046cd0a9c1d4773		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1163 8148 bytes

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