Malicious PDF — malware analysis report

Static analysis result for SHA-256 1f6ed02e8202595a…

MALICIOUS

PDF

35.4 KB Created: 2020-04-05 10:21:06 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 6e01d6b49a57f4641096b54b7fcae3db SHA-1: 4edde4043d4c02d38a55c2cc051a27d8e58621c7 SHA-256: 1f6ed02e8202595a7318166e0e9467447e9f9b69d4167455341cbfbc7ad9d89d
62 Risk Score

Malware Insights

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

The PDF document contains a large number of embedded external links, as indicated by the PDF_SEO_LINK_FARM heuristic. The document body text, while partially corrupted, includes a URL that points to a collection of PDF files. This suggests the primary purpose is to redirect users to a large number of external resources, likely for SEO spam or to host malicious content. No scripts were extracted, limiting the ability to determine further payload delivery mechanisms.

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://yearsofadventures.com/uploads/1/3/0/9/130969414/130969414.html#cuales+son+los+multiplos+de+5+hasta+el+10000
    • http://voreckcontroller.com/uploads/1/3/0/4/130483825/1032197.pdf
    • http://pro-pharma.org/uploads/1/3/1/4/131453576/viwokerofujugegarut.pdf
    • http://puertoricoweddingphoto.com/uploads/1/3/0/7/130776826/4df41.pdf
    • http://ucarha.org/uploads/1/3/0/7/130775880/3744137.pdf
    • http://kaylaenglish.ca/uploads/1/3/1/3/131380184/tajonuvikeluluw_zoxapaxuzaxod_faviko_baxanag.pdf
    • http://kineotransportgroup.com/uploads/1/3/0/4/130489776/gumuweluxiba-rebulus-mavuv.pdf
    • http://widowcoachingwidows.com/uploads/1/3/0/6/130621619/badotig.pdf
    • http://rlsolutionsllc.com/uploads/1/3/0/7/130740508/biliwemo_vowatelore_fozabiduve_nirevibejir.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_off000060a4.bin
d1b4e0147bfbd9c38c8e1c0af5ab5f061d4897cd3e0ad27420a1ac70280f292d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x60A4 8208 bytes

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