Malicious PDF — malware analysis report

Static analysis result for SHA-256 ec6854c4a7308bae…

MALICIOUS

PDF

29.5 KB Created: 2020-05-05 07:25:35 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 62dfae48b5441d3764c4f4b46228f198 SHA-1: c67fd61320e0e714080296d2adb5c62a749deb10 SHA-256: ec6854c4a7308baef88b2bff857bc8481df34e7a3e3fd3ba4e03997ff08704d6
62 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 PowerShell T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF document contains a large number of external links to other PDF files hosted on various domains. This behavior is indicative of a link farm or a distribution mechanism for further malicious content. The document body text is heavily obfuscated and contains embedded URLs, reinforcing the malicious intent. No scripts were extracted from this sample, limiting the ability to determine specific payload delivery or execution methods.

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://unicoiwinetrail.com/uploads/1/3/0/8/130874668/130874668.html#business+model+generation+canvas+espa%C3%B1ol+pdf
    • http://bannerlawllc.com/uploads/1/3/0/6/130620694/416c42.pdf
    • http://nessasgoodiesshop.com/uploads/1/3/0/8/130813307/d2c63a6476d4.pdf
    • http://hugsnsmiles.com/uploads/1/3/0/6/130620471/beradefaguk.pdf
    • http://davisonbusinessservices.org/uploads/1/3/1/4/131406605/nelabedesosiza.pdf
    • http://besovidababy.com/uploads/1/3/0/4/130483632/mivesalijaj.pdf
    • http://angelhomebiz.info/uploads/1/3/0/2/130270832/letogodivozoxi.pdf
    • http://lindellgrosz.se/uploads/1/3/0/5/130539170/donoxe.pdf
    • http://familyfair.org/uploads/1/3/1/3/131378953/lixezuw-midar-xubidim-zurujenevijuzap.pdf
    • http://elle-vate.com/uploads/1/3/0/5/130588613/6894125.pdf
    • http://centerforloveandkindness.com/uploads/1/3/1/1/131163783/8526477.pdf
    • http://treentops.com/uploads/1/3/0/5/130590763/6866740.pdf
    • http://asterproduction.cz/uploads/1/3/0/7/130738894/gogomimixaged.pdf
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://purl.org/dc/elements/1.1/
    • 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_off00004a2f.bin
9e4a45f55c5cd1ee3592f07654df9b075443c3010d66c56abc6f9a1dafaa69b3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x4A2F 9748 bytes

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