Malicious PDF — malware analysis report

Static analysis result for SHA-256 fa7b81a16d492c04…

MALICIOUS

PDF

36.6 KB Created: 2020-03-24 02:04:02 +02:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 932a9aa7e645d3667b7c8a710f428eac SHA-1: 4fcaa73a482f4a3442b12423bdbb5295ed787484 SHA-256: fa7b81a16d492c04df7909485c18c94f8d50ed61d6ee9d63be439c69aaa1fec3
62 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 PowerShell T1204.002 Malicious File

The PDF file contains a large number of embedded external links, identified by the PDF_SEO_LINK_FARM heuristic. These links point to various domains, suggesting a link farm or SEO manipulation tactic. The document body contains garbled text and some of the extracted URLs, reinforcing the idea that the primary purpose is to redirect users to external content. No scripts were extracted, limiting the ability to determine further payload delivery or execution.

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://clowncartragedy.com/uploads/1/3/0/7/130739885/130739885.html#clasificacion+de+hoteles+en+estrellas
    • http://wooddalebaptistchurch.com/uploads/1/3/0/6/130621312/popebuzuj_rudogu_betivija_zafifatogego.pdf
    • http://audodigital.com/uploads/1/3/0/4/130475973/sezomonuko.pdf
    • http://thisgirlsays.com/uploads/1/3/0/5/130588670/4330383.pdf
    • http://radford-racing.net/uploads/1/3/0/5/130541552/vunowabebijofe-bapobapekip.pdf
    • http://stochasticmusic.net/uploads/1/3/0/6/130639574/89b690c.pdf
    • http://simplymagicaljewelry.com/uploads/1/3/0/4/130489706/754451b6853.pdf
    • http://thinkingreverse.net/uploads/1/3/1/0/131070618/wupekikib.pdf
    • http://cryptofistbump.com/uploads/1/3/0/6/130639333/gafuxituj_dunupo_fekegig.pdf
    • http://wnwn2019.org/uploads/1/3/0/5/130551253/2882013.pdf
    • http://artisanhandfood.com/uploads/1/3/0/6/130605393/13ed109.pdf
    • http://jlpacupuncture.com/uploads/1/3/0/8/130813790/2571561.pdf
    • http://ladyluckbeautyinc.com/uploads/1/3/0/8/130873833/380832d7564c.pdf
    • http://www.fragiletime.com/uploads/1/3/0/2/130288318/rebugidawa-binujedixa.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_off0000669e.bin
b042a166b8b2be28a7ade0e8e96df7a0d2c4b3beab144161844c071af0398891		 pdf-font-stream PDF embedded font (sfnt) at offset 0x669E 7892 bytes

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