Malicious PDF — malware analysis report

Static analysis result for SHA-256 d54050996298d1cf…

MALICIOUS

PDF

40.9 KB Created: 2020-03-08 09:11:04 +02:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 3f1365a9b3cc54faa8543033404c08ed SHA-1: 611c3ae63026f6f763bdc09c0abf61995f9bd313 SHA-256: d54050996298d1cf10b558a47f930171181778bb882c1db4129f2cfd30634591
62 Risk Score

Malware Insights

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

The PDF document contains a large number of external links, many of which point to other PDF files on various domains. This behavior is indicative of a link farm or SEO manipulation tactic, potentially used to distribute malicious content or improve search engine rankings for malicious sites. The embedded URLs and the PDF_SEO_LINK_FARM heuristic strongly suggest this malicious intent.

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://cicchiservizi.com/uploads/1/3/0/6/130604486/130604486.html#alara+principle+in+nuclear+medicine
    • http://www.stacysimmons.com/uploads/1/3/0/7/130776483/6789096.pdf
    • http://steinerfamilyfarm.com/uploads/1/3/0/6/130621789/xizoxusuvubemi.pdf
    • http://nurturezone.co.za/uploads/1/3/0/4/130488228/raxubek.pdf
    • http://sheldonxink.com/uploads/1/3/0/5/130588657/liponexuxima-jovilubefexofux-biwololofibat-mokubitexiziw.pdf
    • http://themarylandweddingmarketplace.net/uploads/1/3/0/8/130814644/a17fb5.pdf
    • http://alabamamitigation.com/uploads/1/3/0/6/130639317/javufibazanajo.pdf
    • http://evilgamers.com/uploads/1/3/0/2/130287295/b4b534bf6c77.pdf
    • http://startmysoulbasedjobsearch.com/uploads/1/3/0/5/130551116/bamuxowun-gevarupomumitar.pdf
    • http://www.allowaygrove.co.uk/uploads/1/3/0/7/130739893/lakavabex.pdf
    • http://mymamaknows.com/uploads/1/3/0/5/130544725/nedenagufomo_juzisumejeja_govebevawexidu.pdf
    • http://doghouserecordsmusic.com/uploads/1/3/0/2/130272981/229c1f58615d652.pdf
    • http://amberindiacatering.com/uploads/1/3/0/7/130739287/wetazojowalitov-xomajeta-fawanef.pdf
    • http://solonterrasgolf.com/uploads/1/3/0/6/130639693/beff5.pdf
    • http://diyerkid.com/uploads/1/3/0/6/130622024/wowutokoximow.pdf
    • http://mail.blueridgecru.com/uploads/1/3/0/6/130621436/lezawutigewikujowal.pdf
    • http://mx.vip-manalive.com/uploads/1/3/0/7/130738928/zoxata.pdf
    • http://nethstore.com/uploads/1/3/0/7/130776808/8825262.pdf
    • http://micheleblancpain.com/uploads/1/3/0/6/130621708/foniwabi.pdf
    • http://intrinsiclifesciences.us/uploads/1/3/0/6/130604737/rewizusabojabon_desup.pdf
    • http://mrelectricalservices.com.au/uploads/1/3/0/8/130874433/zanofaberu.pdf
    • http://bluesmasters.club/uploads/1/3/0/6/130621447/barunewe.pdf
    • http://handhpaintingco.com/uploads/1/3/0/9/130969042/c6f2effd.pdf
    • http://108wishes.com/uploads/1/3/0/6/130639317/xujenaxav.pdf
    • http://www.iteachassignment.com/uploads/1/3/0/6/130604951/8141327.pdf
    • http://webdisk.speiserstudio.com/uploads/1/3/0/5/130588336/zoniruzotizuju.pdf
    • http://108wishes.com/uploads/1/3/0/6/130639317/xujenaxav
    • 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_off000077f4.bin
77e12b2dffa3edfccdd41c5bb18a071c84ad0120bbadae20c570e2398055fd91		 pdf-font-stream PDF embedded font (sfnt) at offset 0x77F4 7632 bytes

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