Malicious PDF — malware analysis report

Static analysis result for SHA-256 7b5cdf0602138cc4…

MALICIOUS

PDF

29.3 KB Created: 2020-06-06 03:39:33 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 70dc122b8b7824659728a98c97b919e1 SHA-1: f99a402d27e28aaac46c26306e578bd5b4ff8fd4 SHA-256: 7b5cdf0602138cc4dbf0385b46adf7c6945e49bc4aa483af6fd85f67bc59eebe
62 Risk Score

Malware Insights

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

The PDF document contains a significant number of external links, identified by the PDF_SEO_LINK_FARM heuristic. These links point to various PDF files hosted on different domains, suggesting a link farm or redirection scheme. The embedded document body text, though partially corrupted, contains a URL that mirrors one of the identified external links, reinforcing the malicious intent of directing users to potentially harmful 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://columbustvl.voyagerwebsites.com/uploads/1/3/1/3/131383657/131383657.html#tom+and+jerry+in+hindi+cartoon+downl
    • http://bara.methowvalleypsfa.org/uploads/1/3/0/2/130289669/xisitolimojom.pdf
    • http://drvnmoto.com/uploads/1/3/0/5/130590738/suludago.pdf
    • http://hazelwise.com/uploads/1/3/0/5/130540178/7362176.pdf
    • http://datafluxvoicevideodatasolutions.com/uploads/1/3/0/3/130380002/guwef.pdf
    • http://kitchencabinetskaty.com/uploads/1/3/2/3/132303211/8473450.pdf
    • http://inquiry-based.com/uploads/1/3/0/3/130380084/2f51ea207.pdf
    • http://columbustvl.voyagerwebsites.com/uploads/1/3/1/3/131383657/terms.html
    • http://columbustvl.voyagerwebsites.com/uploads/1/3/1/3/131383657/dmca.html
    • http://columbustvl.voyagerwebsites.com/uploads/1/3/1/3/131383657/policy.html
    • https://ruxejetufe.files.wordpress.com/2020/06/93207694891.pdf
    • https://bujoguzone.files.wordpress.com/2020/06/wodunazuvikozam.pdf
    • https://xalofupoz.files.wordpress.com/2020/06/75411832530.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_off0000489e.bin
493154f61cde153e37bab0a0b72268ffeb3283c6a9a789086266f1375cdb9cdd		 pdf-font-stream PDF embedded font (sfnt) at offset 0x489E 9756 bytes

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