Malicious PDF — malware analysis report

Static analysis result for SHA-256 fe6d4a560ff0c4e8…

MALICIOUS

PDF

43.7 KB Created: 2020-04-05 08:01:57 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 48e08a5514bba77babfd67ef29ec0723 SHA-1: ebe56aca6e07cb8a2c7418480c6e011aea346880 SHA-256: fe6d4a560ff0c4e82ce4bd3c07922497fcc0f95099c8ab6e10f9790bd6d69e98
62 Risk Score

Malware Insights

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

The PDF file exhibits characteristics of a link farm, with numerous external URLs pointing to other PDF documents. This technique is often used to artificially inflate search engine rankings or to distribute malicious payloads. The presence of multiple suspicious URLs, combined with the PDF structure, suggests a malicious intent to redirect users to potentially harmful content.

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://benchmarkaudits.com/uploads/1/3/0/4/130483650/130483650.html#imagenes+sobre+comunicacion+oral
    • http://timwagnerperforms.com/uploads/1/3/1/3/131382595/vugudofaditigugozuwa.pdf
    • http://mcgovernmeats.com/uploads/1/3/0/6/130639116/3704154.pdf
    • http://nerfbattleparty.info/uploads/1/3/0/9/130969436/xerazaxikuwefu.pdf
    • http://tbm-investments.com/uploads/1/3/0/4/130483993/8754889.pdf
    • http://katandkaia.com/uploads/1/3/0/7/130775560/4852523.pdf
    • http://teestressrelief.com/uploads/1/3/0/7/130739220/9764004.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_off00008108.bin
b9704bda0d79ec19ff93c5ad108a60aa49e2d6f5c0510aa468b624d749991712		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8108 8876 bytes

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