Malicious PDF — malware analysis report

Static analysis result for SHA-256 79f984ff8c24191e…

MALICIOUS

PDF

45.3 KB Created: 2020-03-21 14:07:00 +02:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 4ac294a0581217467d6a5ba6b34405c7 SHA-1: 218a04704149535724bb246fa929df913f6e8799 SHA-256: 79f984ff8c24191e92ae716db78b73e4c3d04ceec64c4e74bd700dd103c21a7f
62 Risk Score

Malware Insights

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

The PDF file contains a large number of external links, many of which point to domains that appear to be part of a link farm. The heuristic 'PDF_SEO_LINK_FARM' indicates that this PDF is designed to generate traffic to these external sites. The embedded URLs suggest a redirection or download scheme, likely to distribute further malware or lead users to phishing pages. 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://joyofphysics.com/uploads/1/3/0/9/130969678/130969678.html#que+es+mejor+crecimiento+economico+o+desarrollo+economico
    • http://magicday.com.cy/uploads/1/3/0/8/130874600/vimulix-venerusapizevod.pdf
    • http://cultivatingwell.com/uploads/1/3/0/3/130323724/1219464.pdf
    • http://www.sweetcheeksgc.com.au/uploads/1/3/0/9/130969260/2e71804334.pdf
    • http://www.quantumpathmedical.org/uploads/1/3/0/9/130969027/wugigawonuvoraragesa.pdf
    • http://correo.flpublicidad.com/uploads/1/3/0/3/130313186/4516182.pdf
    • http://ralnaszy.store/uploads/1/3/0/7/130775145/buzajigoti_gakowilet.pdf
    • http://75-50-210-140.diamonddoorltd.com/uploads/1/3/0/5/130542770/vasavuzofomorop.pdf
    • http://newmedialab.centre4innovation.org/uploads/1/3/0/6/130621613/pesowonix-lilupi-jagefonixeboge.pdf
    • http://www.curiouscatphotos.com/uploads/1/3/0/6/130621740/jixizubipe.pdf
    • http://swoapy.com/uploads/1/3/0/7/130740130/6020960.pdf
    • http://maleskincareblog.com/uploads/1/3/0/6/130621226/didodukobagolabuw.pdf
    • http://www.dreamplotter.eu/uploads/1/3/0/9/130969568/waxefuw-fafutegarokejo.pdf
    • http://mountvistapersians.com/uploads/1/3/0/4/130491356/xoxexujovado.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_off000084bd.bin
dfea1bc5f1e9470571a97ba123dfe8f2068e95cf905d976fdd37494d98ff2a28		 pdf-font-stream PDF embedded font (sfnt) at offset 0x84BD 9168 bytes

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