Malicious PDF — malware analysis report

Static analysis result for SHA-256 95babab049853c35…

MALICIOUS

PDF

34.7 KB Created: 2020-06-05 07:22:34 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 68165ca1878546701db2c558e08f5e7e SHA-1: 58dfcc38eb9c19f82b2027b922a1947116572e35 SHA-256: 95babab049853c35ab5d91bdab33d3bcefdab1a7fcae5b6cfeb0e42ca0650c8e
62 Risk Score

Malware Insights

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

The PDF file contains a large number of external links, many of which point to similarly structured URLs on different domains, suggesting a link farm or SEO abuse tactic. The document body text, though partially corrupted, mentions 'Ptsd workbook pdf download', indicating a lure to entice users to click on the embedded links. The primary heuristic 'PDF_SEO_LINK_FARM' strongly suggests this is a malicious document designed to redirect users to potentially harmful 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://mx.bodycareclinicriverside.com/uploads/1/3/0/3/130324152/130324152.html#ptsd+workbook+pdf+download
    • http://organizationstrong.com/uploads/1/3/1/4/131452794/rokomibuzisofe.pdf
    • http://websitecontentnow.com/uploads/1/3/0/2/130291433/dusipisogemozefe.pdf
    • http://bakedfresh.org/uploads/1/3/1/1/131164313/7464e46c.pdf
    • http://mx.bodycareclinicriverside.com/uploads/1/3/0/3/130324152/terms.html
    • http://mx.bodycareclinicriverside.com/uploads/1/3/0/3/130324152/dmca.html
    • http://mx.bodycareclinicriverside.com/uploads/1/3/0/3/130324152/policy.html
    • http://mx.bodycarecli
    • https://kekagulebo.files.wordpress.com/2020/06/tutatukevapokopavudiderij.pdf
    • https://wugixex.files.wordpress.com/2020/06/garivadide.pdf
    • https://niredozunoxe.files.wordpress.com/2020/06/22825000568.pdf
    • https://dojenus.files.wordpress.com/2020/06/73245269184.pdf
    • https://japifefig.files.wordpress.com/2020/06/sijimanidabufaxorivujow.pdf
    • https://xewerelarava.files.wordpress.com/2020/06/12072363963.pdf
    • https://podilizaxopu.files.wordpress.com/2020/06/30184954972.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_off00005f53.bin
7c32ba5e4620d714c9a6b653616d21d323602e7ff36ef539d8e6aaab0b6f3f2b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5F53 9440 bytes

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