Malicious PDF — malware analysis report

Static analysis result for SHA-256 5115f04cdb8383b9…

MALICIOUS

PDF

31.2 KB Created: 2020-06-02 22:53:36 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 55909a374b4eb14c8037736ad41a983b SHA-1: 1974942a8becf305752b9959cf4cb6a7ed337cff SHA-256: 5115f04cdb8383b94e4ffbc7276a233616db08332820b491c927c82df0d6353c
62 Risk Score

Malware Insights

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

The PDF document contains a large number of external links, identified by the PDF_SEO_LINK_FARM heuristic. The document body, though partially corrupted, contains references to a 'Grove sm2632e service manual' and numerous URLs, suggesting a lure to external content. The primary attack pattern involves directing users to a link farm, likely for SEO poisoning or to host further malicious 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://beehappypeople.com/uploads/1/3/0/6/130603916/130603916.html#grove+sm2632e+service+manual
    • http://northpointed.com/uploads/1/3/0/7/130740146/busupozakup-buxekubota-naletixij-kedukoji.pdf
    • http://74-123-79-243.mgwnet.com/uploads/1/3/0/2/130287503/7855984.pdf
    • http://authsmtp.austincovechurch.com.au/uploads/1/3/0/7/130776031/jovevokux.pdf
    • http://chickswithdips.com/uploads/1/3/0/6/130604372/b5c342af.pdf
    • http://acilocator.com/uploads/1/3/1/0/131070761/34290.pdf
    • http://pilgrim-funds.com/uploads/1/3/0/6/130620746/motibevefubibuvagifu.pdf
    • http://innovaindumotriz.com/uploads/1/3/1/3/131383624/dujozusezelu.pdf
    • http://hostmaster.winscombevillagebakery.co.uk/uploads/1/3/0/8/130815014/525106.pdf
    • http://divinekeyministries.org/uploads/1/3/0/9/130969462/3798729.pdf
    • http://beehappypeople.com/uploads/1/3/0/6/130603916/terms.html
    • http://beehappypeople.com/uploads/1/3/0/6/130603916/dmca.html
    • http://beehappypeople.com/uploads/1/3/0/6/130603916/policy.html
    • https://metekaz.files.wordpress.com/2020/05/suwufokaligijaxobikowux.pdf
    • https://lotopakaxil.files.wordpress.com/2020/05/99073661701.pdf
    • https://muvowovu.files.wordpress.com/2020/05/figukakubivepuw.pdf
    • https://mobulozasa.files.wordpress.com/2020/05/92513338249.pdf
    • https://fulazetula.files.wordpress.com/2020/05/74561005234.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_off00004ff0.bin
6b6cf6e810e1e15047638f412583af01123b8e1a7732673920218b7f2e66c335		 pdf-font-stream PDF embedded font (sfnt) at offset 0x4FF0 9860 bytes

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