Malicious PDF — malware analysis report

Static analysis result for SHA-256 c333e9045b3cc4a2…

MALICIOUS

PDF

35.5 KB Created: 2020-05-16 10:44:45 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: f90b4b76a410cb0656518106dbc611b0 SHA-1: 02349307050088ee65f9d0ca2a646dd4e7a171c6 SHA-256: c333e9045b3cc4a2f838b09777f84ad3233d4060aa618f86dc856a8a01556754
70 Risk Score

Malware Insights

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

The PDF file contains a significant number of external links, identified by the PDF_SEO_LINK_FARM heuristic, suggesting a link farm or redirection scheme. The document body, though heavily obfuscated, contains references to 'A4 business card template pdf' and includes numerous URLs, indicating a lure to external malicious content. The presence of a 'SE_DOWNLOAD_BUTTON' heuristic further supports the idea that the document is designed to trick the user into clicking through to potentially harmful sites.

Heuristics 4

  • 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.
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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://northernrailleaders.com/uploads/1/3/1/6/131636792/131636792.html#a4+business+card+template+pdf
    • http://onlineaffiliateuniversity.com/uploads/1/3/0/7/130776158/68cb6252.pdf
    • http://timsellersod.net/uploads/1/3/1/4/131438275/zimirelen.pdf
    • http://margaretjeanne.com/uploads/1/3/1/3/131379255/miletepuboxib.pdf
    • http://meadowwholesale.com/uploads/1/3/1/1/131163733/2327281.pdf
    • http://whitneyelliott.com/uploads/1/3/0/7/130775551/6410286.pdf
    • http://bestdealcondominiums.com/uploads/1/3/0/4/130483062/fememodukutunafixu.pdf
    • http://bagplllasd.com/uploads/1/3/1/8/131856622/9806708.pdf
    • http://smokinhotsaucelabels.us/uploads/1/3/1/8/131856695/1bb91c2548.pdf
    • http://patriotstacticalacademy.org/uploads/1/3/1/4/131413550/b4954ec13d2d04.pdf
    • http://premedcounseling.com/uploads/1/3/0/7/130739214/fenezotumox.pdf
    • http://msbennettsclass.com/uploads/1/3/0/5/130544303/vofojemipejos.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_off00005e12.bin
0367888824320b0cc775c886149f5b5b5a0500a966e5c9d7e54b5cacf17c896f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5E12 10784 bytes

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