Malicious PDF — malware analysis report

Static analysis result for SHA-256 31ebc2d334fbc6e2…

MALICIOUS

PDF

45.5 KB Created: 2020-05-21 14:50:30 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 6c958bbc43c2b14ab74e0988182df75c SHA-1: c8c6638b9bacf06c39173e8e1b69c74cf778f92d SHA-256: 31ebc2d334fbc6e2587e69978061fa9585898ad2b1ff4fe7228e000b3028eb35
62 Risk Score

Malware Insights

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

The PDF file exhibits characteristics of a link farm, containing a large number of external URLs. The heuristic 'PDF_SEO_LINK_FARM' indicates that the document is designed to host numerous links, likely to manipulate search engine results or redirect users to potentially malicious content. The presence of many similar URLs suggests a coordinated effort to distribute traffic or host malicious files across multiple domains.

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://awakeningfromthedream.info/uploads/1/3/1/4/131483254/131483254.html#kho+ping+hoo+cerita+silat
    • http://learnflutterfast.com/uploads/1/3/1/8/131856041/30736566.pdf
    • http://smithsystems.us/uploads/1/3/0/6/130620789/kakefibitaz.pdf
    • http://iwonderwouldi.com/uploads/1/3/1/8/131871517/babituginuw.pdf
    • http://stavrias.com/uploads/1/3/0/7/130776590/nefalegijigitit_voxet_vidulunonara.pdf
    • http://obertoelectric.com/uploads/1/3/0/6/130621036/tezez.pdf
    • http://daniburton.com/uploads/1/3/0/6/130639143/166907.pdf
    • http://solutionholdings.com/uploads/1/3/0/6/130639659/garunoduvajazavov.pdf
    • http://joshgretz.com/uploads/1/3/1/0/131071277/pujukepotinawek-jumefovul-pibularuxutanet.pdf
    • http://prologenics.com/uploads/1/3/0/3/130379069/7943010.pdf
    • http://mary8078.com/uploads/1/3/1/4/131453096/gulizi-jutatawi-tabofe-lufekorof.pdf
    • http://carpetupholsterycleaning.org/uploads/1/3/0/6/130605111/5153337.pdf
    • http://habbo-swat.com/uploads/1/3/0/6/130620532/xuwenawev.pdf
    • http://vintonpizzahutruns.com/uploads/1/3/0/5/130539287/favaja-rodewobonug-fojemiboj-wupixuvizovi.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_off000088a5.bin
998361b21d1784b45aff37c93e61f462bc10388cf3ab48b4b814709c5624b395		 pdf-font-stream PDF embedded font (sfnt) at offset 0x88A5 10060 bytes

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