Malicious PDF — malware analysis report

Static analysis result for SHA-256 3fd33bf1e46d3e66…

MALICIOUS

PDF

42.0 KB Created: 2020-06-10 07:45:57 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 7d9288a7716eae1fb6f33d731dfcbc6d SHA-1: 4011109fb003f5c7d8e49ec47dc488f74838b7c9 SHA-256: 3fd33bf1e46d3e66ebe0b8606178e14a672ce5199195d096c786c398ba6b3fdd
62 Risk Score

Malware Insights

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

The PDF file contains a significant number of external links, identified by the PDF_SEO_LINK_FARM heuristic. These links point to various domains, many of which appear to be part of a link farm. The document body is heavily obfuscated, but the presence of these links suggests a malicious intent to redirect users to potentially harmful content or to manipulate search engine rankings. No scripts were extracted, limiting the analysis of direct execution capabilities.

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.
  • External URI info PDF_URI
    PDF contains an external URL action
  • 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://leasemyanmar.sproutsmyanmar.com/uploads/1/3/0/6/130639386/130639386.html#enem+2008+torno+a+ver+vos+%25C3%25B3+montes+o
    • http://myjandjlandscaping.com/uploads/1/3/0/5/130539881/jawolosesaw.pdf
    • http://snowline.viewourbenefits.com/uploads/1/3/1/4/131437393/lijizukoxejam.pdf
    • http://74-123-78-22.mgwnet.com/uploads/1/3/0/4/130435803/noxofapedos_kuwadedet_mapuwet.pdf
    • http://razerupin.com/uploads/1/3/0/5/130590325/nasaviwelama.pdf
    • http://budapestupclose.com/uploads/1/3/0/5/130539114/bevekunorubesasusuxu.pdf
    • http://forestwaytsa.net/uploads/1/3/0/6/130639254/mazexunipisojajaso.pdf
    • http://swillapparel.com/uploads/1/3/1/6/131607544/dabowosus.pdf
    • https://neponaronav.files.wordpress.com/2020/06/fozebupogonakul.pdf
    • https://fopotid.files.wordpress.com/2020/06/nujekelerezuva.pdf
    • https://potiniwuvo.files.wordpress.com/2020/06/20172337816.pdf
    • https://gunesamukowo.files.wordpress.com/2020/06/mumal.pdf
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://purl.org/dc/elements/1.1/
    • http://ns.adobe.com/pdf/1.3/
    • http://ns.adobe.com/xap/1.0/
    • http://ns.adobe.com/xap/1.0/mm/
    • http://ns.adobe.com/xap/1.0/rights/

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00007274.bin
45a72e47bc6856d0bdcb733dcb2977fc05a3d8785cbc8d4b11c20e297e05036b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7274 13440 bytes

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