Malicious PDF — malware analysis report

Static analysis result for SHA-256 a177396ac9067093…

MALICIOUS

PDF

42.7 KB Created: 2020-04-22 12:21:12 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 662abce68ac5ca29a019807f212f689d SHA-1: 0aa101f403a3ca9cf26464a4f9823807f3a93b5f SHA-256: a177396ac90670930bdbc25332cd317572d3b42cae2dc53a57756190cb237194
62 Risk Score

Malware Insights

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

The PDF file contains a large number of external links, many of which point to PDF files with numeric or generic slugs on various domains. The document body, though partially corrupted, contains text related to a 'nomination form' and references 'wkhtmltopdf', suggesting it was generated for SEO purposes to host these links. The primary intent appears to be to direct users to potentially malicious or phishing content hosted on these external domains.

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://islamophoria.com/uploads/1/3/0/6/130605387/130605387.html#cgegis+nomination+form+central+govt
    • http://easi-mo.com/uploads/1/3/0/7/130775474/53d01af.pdf
    • http://knittybynatureshop.com/uploads/1/3/0/6/130605292/5977875.pdf
    • http://adelaidequalitytrailers.net/uploads/1/3/0/6/130639396/6339100.pdf
    • http://catandbobbin.com/uploads/1/3/1/6/131636806/df2e67da6c.pdf
    • http://bitesizedaustria.com/uploads/1/3/0/7/130738975/jidusometegosuduj.pdf
    • http://gdsoluciones.net/uploads/1/3/0/7/130739597/3710503.pdf
    • http://fermentedspirits.com/uploads/1/3/0/4/130488699/b54aa70485a.pdf
    • http://bwcmedical.com/uploads/1/3/0/6/130621359/xesupejez_rokixosozavoz_widifaxak_ripesepom.pdf
    • http://cyber-cy.org/uploads/1/3/0/4/130490584/3397852.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_off0000800a.bin
6e29680d02595bf59d53e7f3114b6d9ad5d5e8050737bc666d018d85453802ae		 pdf-font-stream PDF embedded font (sfnt) at offset 0x800A 8012 bytes

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