Malicious PDF — malware analysis report

Static analysis result for SHA-256 95bb80da87cea003…

MALICIOUS

PDF

40.2 KB Created: 2020-04-30 20:01:34 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 790c1061be5ab8f9bb3f085fcc4ae3cc SHA-1: f8476851b77428232b155650ff8a26a22ca3941f SHA-256: 95bb80da87cea0033310457334cbbbb4bb1bce1828eb03e4227575d510c3c49e
62 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 PowerShell T1204.002 Malicious File

The PDF document contains a large number of external links, primarily pointing to other PDF files on various domains. This behavior is indicative of a link farm or SEO manipulation tactic, potentially used to distribute malicious content or to artificially inflate search engine rankings. The presence of numerous unknown URLs suggests a broad distribution effort. No scripts were extracted from this sample, limiting the ability to determine specific payload delivery mechanisms.

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://mcatgent.org/uploads/1/3/1/1/131163981/131163981.html#dictionary+offline+app
    • http://funbythepound.com/uploads/1/3/1/4/131438898/1081113.pdf
    • http://crossroadseastnorthport.com/uploads/1/3/0/4/130476288/e7d18393.pdf
    • http://fwi-traduction.com/uploads/1/3/1/4/131437987/gejitotu.pdf
    • http://customgoggles.net/uploads/1/3/0/9/130969708/kefisuz-bidax-nuxin.pdf
    • http://kevindelie.com/uploads/1/3/1/6/131606092/9400184.pdf
    • http://rousegifts.com/uploads/1/3/0/2/130289601/3763423.pdf
    • http://sdgplanning.com/uploads/1/3/0/7/130776066/jumegaf.pdf
    • http://goldenphotography.org/uploads/1/3/0/8/130874281/fawafufiroja.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_off000072a5.bin
f740539e17e4c31770873a7fc118e68747d58be14d499ae269eddd1f236a3a0f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x72A5 10304 bytes

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