Malicious PDF — malware analysis report

Static analysis result for SHA-256 4d96e7a219716b66…

MALICIOUS

PDF

34.3 KB Created: 2020-03-24 09:46:04 +02:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 5f07f6fa1dc433ef2faff319a92faec2 SHA-1: 29441eca6b209cdab9e3e02bc8454750bf5d0fcd SHA-256: 4d96e7a219716b668890e783e896140775efd3764ea15b04a57181d3f01b17b3
62 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF file contains a large number of embedded external links, a technique often used for SEO spam or to direct users to malicious websites. The heuristic 'PDF_SEO_LINK_FARM' specifically flags this behavior. While the document body contains garbled text, the presence of numerous links suggests an attempt to drive traffic to potentially compromised or malicious sites. No scripts were extracted from this sample.

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://the-whole-thing.com/uploads/1/3/0/4/130475892/130475892.html#ikea+bunk+beds+mydal
    • http://flattfivebluegrass.com/uploads/1/3/0/4/130475901/pojivekejepojomi.pdf
    • http://hostmaster.hazlehurstcentre.org/uploads/1/3/0/5/130539325/tufogenuron.pdf
    • http://potchtaxidermy.com/uploads/1/3/0/4/130435670/1751117.pdf
    • http://do-not-reply.linie-e.com/uploads/1/3/0/2/130273752/bfd41ea6566a6c.pdf
    • http://www.kaschnco.com.au/uploads/1/3/0/7/130740393/pajekur.pdf
    • http://maldonadoconstruction.org/uploads/1/3/0/7/130776075/57bb634.pdf
    • http://cmfindlay.org/uploads/1/3/0/4/130488743/977b80d5.pdf
    • http://www.socialgracecreative.com/uploads/1/3/0/5/130543170/kanas.pdf
    • http://simplyproofreading.com/uploads/1/3/0/7/130776724/togiluxan_vozoz_tulojegorux_pereninotawoji.pdf
    • http://metlifeunpaidpensions.com/uploads/1/3/0/9/130969777/tezenukuxu_tuvesopamawi_fonegibikoxu.pdf
    • http://site54340.mywhc.ca/uploads/1/3/0/5/130538981/tovaxif-wifer.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_off00005ac3.bin
38953fdb7618e2045f41ab1c187a25a5956fd921fe6853a57852e1d0e1859222		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5AC3 8332 bytes

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