Malicious PDF — malware analysis report

Static analysis result for SHA-256 9f11de586ede2bac…

MALICIOUS

PDF

41.9 KB Created: 2020-06-06 08:52:10 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 8ebb549c0d5b5cb33349e78b66c7426b SHA-1: 869e40a352ad935ea66379c0105f7c8724fbcd5d SHA-256: 9f11de586ede2bace721e857aa0a06bd83b5688f259d934436666f1a61a06b6e
62 Risk Score

Malware Insights

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

The PDF file contains a significant number of external links, identified by the PDF_SEO_LINK_FARM heuristic, pointing to various domains. The primary purpose appears to be a link farm, likely intended to drive traffic to these sites or serve as a distribution point for further malicious content. The document body contains garbled text and what appears to be a reference to 'Daylette tabletki poronne', suggesting a potential lure or keyword stuffing for SEO. 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://lovesourcing.com/uploads/1/3/1/6/131637886/131637886.html#daylette+tabletki+poronne
    • http://melaniebrucks.com/uploads/1/3/1/4/131438162/gopaxiboxurijaj.pdf
    • http://recruit1775.com/uploads/1/3/1/0/131070307/8782971.pdf
    • http://normantownchristian.com/uploads/1/3/0/4/130476853/f5670c8a267b96.pdf
    • http://kingbridgefarm.com/uploads/1/3/0/2/130291784/2830145.pdf
    • http://flavoreffects.com/uploads/1/3/0/7/130738639/nitumajeg.pdf
    • http://cpanel.cameronheightsmusic.com/uploads/1/3/0/5/130543855/81d0b6.pdf
    • http://excolarchives.com/uploads/1/3/0/5/130590138/vagorofegogala.pdf
    • http://eaglepointprep.com/uploads/1/3/0/5/130588202/816df45d3d.pdf
    • http://dtapto.org/uploads/1/3/0/3/130379814/vabituva.pdf
    • http://holisticvethousecalls.com/uploads/1/3/0/9/130969596/zijibubibupoge.pdf
    • http://gezinsdynamiek.eu/uploads/1/3/0/7/130738830/bojiwesa.pdf
    • http://ramcatsc.com/uploads/1/3/1/3/131384252/5e9e599c54587c.pdf
    • http://bryteyouth.com/uploads/1/3/0/5/130590047/d67a896.pdf
    • http://chiefmahoo.com/uploads/1/3/0/4/130483983/92df2d04597.pdf
    • http://lovesourcing.com/uploads/1/3/1/6/131637886/terms.html
    • http://lovesourcing.com/uploads/1/3/1/6/131637886/dmca.html
    • http://lovesourcing.com/uploads/1/3/1/6/131637886/policy.html
    • https://xomakumugi.files.wordpress.com/2020/06/pibelenewavaw.pdf
    • https://vabadepofi.files.wordpress.com/2020/06/repexevedetawewos.pdf
    • https://nulumilawo.files.wordpress.com/2020/06/nukogizanifebar.pdf
    • https://vimenemuzez.files.wordpress.com/2020/06/tamopununovesedarewipi.pdf
    • https://kavuzolujor.files.wordpress.com/2020/06/zesixavemulubojuwizuje.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_off00007600.bin
f95dddf03c954edb2bbc61a82e1abbdc1383be8f5e75db72e4aabc65912c0203		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7600 11828 bytes

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