Malicious PDF — malware analysis report

Static analysis result for SHA-256 49fe08c17fed4b02…

MALICIOUS

PDF

41.3 KB Created: 2020-05-23 22:45:27 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 3b50a12767820072e91344970ad3ebe6 SHA-1: 113a9cf2b8b214c2bf0d76e78fc7406b7590c1e1 SHA-256: 49fe08c17fed4b027b83f0375815e3d9156d27c5668c44aeb4d313fa339433e4
62 Risk Score

Malware Insights

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

The PDF file contains a large number of external links, identified by the PDF_SEO_LINK_FARM heuristic. The document body, though partially corrupted, contains text that appears to be a lure, and the embedded URLs point to various domains. The primary attack pattern involves directing users to a multitude of external websites, likely for SEO spam 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://27y.undesirable.us/uploads/1/3/1/1/131164542/131164542.html#jogos+quebra+gelo+senior
    • http://m2projects.net/uploads/1/3/0/3/130323835/52d27417840.pdf
    • http://phmetsas.com/uploads/1/3/0/7/130738507/a680ee64.pdf
    • http://thecellatlas.org/uploads/1/3/0/7/130776783/muvakavewoteduto.pdf
    • http://littlelearner.org/uploads/1/3/0/9/130969897/835028.pdf
    • http://galgodesign.com/uploads/1/3/2/3/132302921/4f728f92e19f36.pdf
    • http://creaturevoice.com/uploads/1/3/1/4/131482916/2aa68.pdf
    • http://thebodywisdommethod.net/uploads/1/3/0/2/130289443/caf412e.pdf
    • http://southfloridafarmers.com/uploads/1/3/0/6/130604304/sabemodizit.pdf
    • http://encorporation.org/uploads/1/3/0/7/130775951/8d8ab56bde4c1.pdf
    • http://adfpainting.boston/uploads/1/3/1/3/131380845/ca2b06465.pdf
    • http://takelimitededition.shop/uploads/1/3/0/2/130271083/8792370.pdf
    • http://yourassistantlaura.net/uploads/1/3/0/7/130775688/sagilugudava.pdf
    • http://tcpropertygroup.com/uploads/1/3/1/1/131164538/1092056.pdf
    • http://cherryluminary.com/uploads/1/3/0/6/130620846/5999714.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_off000073cb.bin
16c177bc4dbe24512ecd568737fc97ffe22a0aa4e40467171b3c4ad66528df96		 pdf-font-stream PDF embedded font (sfnt) at offset 0x73CB 11948 bytes

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