Malicious PDF — malware analysis report

Static analysis result for SHA-256 95857a97e2edd2fe…

MALICIOUS

PDF

41.9 KB Created: 2020-03-29 14:26:32 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 7bdbca0db88e87cc19171887296a1c09 SHA-1: ebf3de50bfb95d5b324cd598e322f0f05bc65ff5 SHA-256: 95857a97e2edd2fe954f286d36b360b85d8e0bffbb9e6ee58696a82a3de4843b
62 Risk Score

Malware Insights

MITRE ATT&CK
T1598 Gather Victim Identity Information T1204 Malicious Link

The PDF document contains a large number of external links, identified as a 'PDF_SEO_LINK_FARM' heuristic. These links point to various PDF files hosted on different domains, suggesting an attempt to manipulate search engine rankings or distribute content through a network of compromised sites. The document body itself contains a seemingly innocuous title related to 'Women's Day' and the wkhtmltopdf generator, which is likely a lure.

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://74-123-77-236.mgwnet.com/uploads/1/3/0/5/130544687/130544687.html#frases+en+el+dia+de+la+mujer+boliviana
    • http://mikelibonati.com/uploads/1/3/0/5/130590756/87b41d.pdf
    • http://azqualityremodeling.com/uploads/1/3/0/6/130620482/1201993.pdf
    • http://wickedwaterstrategies.com/uploads/1/3/0/7/130775646/9591972.pdf
    • http://vcdssydney.com/uploads/1/3/0/6/130640059/rimedez_zunesira.pdf
    • http://menlorealestate.net/uploads/1/3/0/4/130483981/6480394.pdf
    • http://destinedtodesign.net/uploads/1/3/0/7/130776486/fumuz.pdf
    • http://aquinasenglish.com/uploads/1/3/0/2/130291922/fomovamizita_tovejotiluzu.pdf
    • http://adammullins.com/uploads/1/3/0/9/130969592/nutune.pdf
    • http://menjivarswindowcleaning.com/uploads/1/3/0/4/130435826/bef339af1.pdf
    • http://settingroots.org/uploads/1/3/1/3/131379990/bugotekuwiv-pesovisevifozop-rewigufenimigoj-juvoduvuga.pdf
    • http://enspirebrandcbd.com/uploads/1/3/0/7/130739661/dogigusag-refetas.pdf
    • http://peterfromasheville.com/uploads/1/3/0/6/130639220/sibujijawovozuxivudo.pdf
    • http://mbfashionfitness.com/uploads/1/3/0/9/130969188/migare.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_off00007916.bin
fb611a29d79462efef09871eda785ea4c017193b19404301ecdf32fd066119ab		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7916 9352 bytes

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