Malicious PDF — malware analysis report

Static analysis result for SHA-256 f21f4b491179e1b6…

MALICIOUS

PDF

35.5 KB Created: 2020-06-06 07:46:11 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 7ef5d731def60034346ede54707b295d SHA-1: 7e7697be1c312f40cd97a11da2e672504c11b175 SHA-256: f21f4b491179e1b6191f0d3e514a92e69cff169112c95f91b7c8bd359b7ebdd6
62 Risk Score

Malware Insights

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

The PDF document contains a significant number of external links, identified as a 'PDF_SEO_LINK_FARM' heuristic. The document body, though partially garbled, contains text related to 'Peliculas completas de barbie en español 2019', suggesting a lure. The primary attack pattern involves directing users to a large collection of external PDF files hosted across various domains, likely to manipulate search engine rankings or distribute malicious content. 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://fellowshipstar.org/uploads/1/3/1/1/131164524/131164524.html#peliculas+completas+de+barbie+en+espa%25C3%25B1ol+2019
    • http://ingasbakeshop.com/uploads/1/3/0/5/130588723/besexa-jozulini.pdf
    • http://snottyties.com/uploads/1/3/1/6/131636988/popiw_ratoturusigak_gepepunimax_zewugirezo.pdf
    • http://nestibles.com/uploads/1/3/0/6/130621626/bimewibivatukukuwos.pdf
    • http://metrotrendz4u.com/uploads/1/3/0/9/130969034/rojumutaduvu.pdf
    • http://mail.linlithgowscdc.org/uploads/1/3/0/7/130740533/434f26bc8cb.pdf
    • http://ru6ff.bpmtc.com/uploads/1/3/1/6/131606612/4826256.pdf
    • http://fellowshipstar.org/uploads/1/3/1/1/131164524/terms.html
    • http://fellowshipstar.org/uploads/1/3/1/1/131164524/dmca.html
    • http://fellowshipstar.org/uploads/1/3/1/1/131164524/policy.html
    • https://rexojudoda.files.wordpress.com/2020/06/47138863706.pdf
    • https://vogalegan.files.wordpress.com/2020/06/fedetonexazugi.pdf
    • https://zogubaj.files.wordpress.com/2020/06/tukoxurig.pdf
    • https://zugolenod71541088.files.wordpress.com/2020/06/begiwoj.pdf
    • https://waxedati.files.wordpress.com/2020/06/rekagoni.pdf
    • https://sowutav.files.wordpress.com/2020/06/nagemutukowob.pdf
    • https://logivusobaja.files.wordpress.com/2020/06/midaloraxijanivovokugim.pdf
    • https://puxeter.files.wordpress.com/2020/06/98748502945.pdf
    • https://ligovub.files.wordpress.com/2020/06/jerivurafosaguvuluw.pdf
    • https://varotedip.files.wordpress.com/2020/06/92676706814.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_off00005d77.bin
baf6ad43aac4b71360454ad4da1c6a517aba0a79007ce122b344b839b86e3692		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5D77 10624 bytes

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