Malicious PDF — malware analysis report

Static analysis result for SHA-256 50b8f065fa9525bd…

MALICIOUS

PDF

39.8 KB Created: 2020-03-19 14:16:51 +02:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 8431b1eeb8f44c26d0045beb892c2946 SHA-1: 775aeff3a09a564b4b50ba0093c4297f274691b6 SHA-256: 50b8f065fa9525bd4a274e3d0d6612fa562034856f95eeece7743aea7cf1ea74
62 Risk Score

Malware Insights

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

The PDF document contains a large number of embedded external links, a technique often used for SEO manipulation or to distribute malicious content. The heuristic 'PDF_SEO_LINK_FARM' specifically flags this behavior. The document body contains garbled text and a reference to 'Apc back ups xs 1000 battery', which may be a lure, but the primary malicious activity appears to be the distribution of links to external sites.

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://treasureblitz.com/uploads/1/3/0/7/130739472/130739472.html#apc+back+ups+xs+1000+battery
    • http://webdisk.cwwpp.org/uploads/1/3/0/7/130739590/xodof_narak_ribotilenufidoz_gofojoju.pdf
    • http://woodside2-3-4hoa.org/uploads/1/3/0/4/130479123/2133356.pdf
    • http://eleanorfraser.com/uploads/1/3/0/5/130543053/wofowikakewebarimabu.pdf
    • http://www.pulltheadvertisements.com/uploads/1/3/0/5/130590653/xejuxoz.pdf
    • http://www.pathwayasp.org/uploads/1/3/0/7/130739183/9e57068f51708.pdf
    • http://plvchorale.org/uploads/1/3/0/3/130323337/volevaxowabivi_zinimuruxirag_gaxabajuvukub_garozerako.pdf
    • http://mta-sts.mx.lydiaslove.org/uploads/1/3/0/7/130775992/jojixurawebom_kumuvodijewi_kofuwa.pdf
    • http://ajgittnerprocessequipment.com/uploads/1/3/0/8/130874573/055734.pdf
    • http://angela-devine.com/uploads/1/3/0/5/130539517/tiwagobaruma.pdf
    • http://www.tourbility.com/uploads/1/3/0/4/130477775/giroxom.pdf
    • http://mzocalo.com/uploads/1/3/0/3/130313157/gesok_misubulusone.pdf
    • http://mccloudmeatmarket.com/uploads/1/3/0/2/130289519/b4fd6.pdf
    • http://wtfuture.us/uploads/1/3/0/8/130813614/wivolof_lenogim_gunubuxi_karikabur.pdf
    • http://sbinventions.com/uploads/1/3/0/5/130588772/1899068.pdf
    • http://webmail.mciea.org/uploads/1/3/0/2/130270982/14588d40869fb4.pdf
    • http://lockportbasketballcamps.com/uploads/1/3/0/5/130542866/56c40777d72bfe.pdf
    • http://www.weber-betontechnik.com/uploads/1/3/0/2/130288318/nadileb.pdf
    • http://www.datpro.fi/uploads/1/3/0/7/130739763/fofil.pdf
    • http://www.securesanitation.net/uploads/1/3/0/5/130540725/0a8c6bac030b.pdf
    • http://megelizabethh.com/uploads/1/3/0/7/130775551/lukumuvetos.pdf
    • http://bulldogsinlasvegas.com/uploads/1/3/0/7/130776674/b4742d18c.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_off00007500.bin
4d3bfb9ab443e1593f8ab7cf84a2d45bc1f12c993bc567038b3752aae129d20a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7500 7292 bytes

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