Malicious PDF — malware analysis report

Static analysis result for SHA-256 2fac3fd82e7af341…

MALICIOUS

PDF

39.8 KB Created: 2020-03-29 21:33:57 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 7aa157bb64ddf6fcbdd852bd559f9ff6 SHA-1: 527caa4a7748b489aeb38b6edae688871114bb47 SHA-256: 2fac3fd82e7af341c940df0b3162f188dfaec11a69cf1018ba37f6cb01dc3663
62 Risk Score

Malware Insights

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

The PDF file contains a significant number of embedded 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 designed to manipulate search engine results or host malicious content. The primary intent appears to be directing users to these external resources, potentially for phishing or malware distribution.

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://advance-it.net/uploads/1/3/0/3/130312993/130312993.html#possessive+adjectives+italian+practice
    • http://ccbtrustyourbuddy.net/uploads/1/3/0/5/130588482/nexaju.pdf
    • http://schuhhaus-matzenauer.at/uploads/1/3/0/6/130640070/zamirosazusidi.pdf
    • http://nesportsturf.com/uploads/1/3/0/2/130289690/kodagumewa-manizan-buzuted.pdf
    • http://center64.com/uploads/1/3/1/1/131163693/kupofenexijaraxosuv.pdf
    • http://oysterbay2050.com/uploads/1/3/0/8/130814931/laxerajep.pdf
    • http://iwa-globalcollege.com/uploads/1/3/0/6/130604538/5444180.pdf
    • http://woodturningbydesign.com/uploads/1/3/0/8/130814295/2881178.pdf
    • http://restorationsolutions.biz/uploads/1/3/1/3/131384638/7539975.pdf
    • http://puyull.com/uploads/1/3/0/6/130639675/92fe96474c4.pdf
    • http://stratellis.com/uploads/1/3/0/8/130874025/4758832.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_off00007190.bin
15a175ab2a9191b9d73928fa05582a6c101213d3a6e603ff41032b3d8a9c7cf1		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7190 8852 bytes

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