Malicious PDF — malware analysis report

Static analysis result for SHA-256 d0ad747f773e1115…

MALICIOUS

PDF

38.4 KB Created: 2020-03-29 02:16:16 +02:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 5c620eb79c5bf439ee687092017301b4 SHA-1: c4b82aefc13820c21f2c6074ddf99ee855e8cbeb SHA-256: d0ad747f773e1115c0f0b32b91b235840345955db98adf9ba36842eda51eaf30
62 Risk Score

Malware Insights

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

The PDF document was identified as malicious due to a large number of embedded external links, a technique often used to create link farms for SEO poisoning or to distribute malicious content. The heuristic PDF_SEO_LINK_FARM specifically flagged this behavior, indicating a likely attempt to lure users to potentially harmful websites. The document body contains garbled text and embedded URLs, further supporting the malicious intent.

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://ddct-24-4-crs-4g-100m.pleasingfood.com/uploads/1/3/0/6/130622007/130622007.html#arm%27s+reach+mini+leg+extension
    • http://randychapel.net/uploads/1/3/0/4/130489052/xixadolizase-jamobizenaso-robulawezuvemi.pdf
    • http://www.patriotplayerstheatre.com/uploads/1/3/0/7/130774993/bikozujosutiradegiba.pdf
    • http://www.theplugalex.com/uploads/1/3/0/6/130621940/578944.pdf
    • http://mirrormirrorboutique.net/uploads/1/3/0/7/130775103/03292993abb.pdf
    • http://mx.dellacalfee.com/uploads/1/3/0/7/130775352/7fc46ab5549.pdf
    • http://www.jenniferdutoitart.com/uploads/1/3/0/4/130477945/9371959.pdf
    • http://www.francescocerminara.com/uploads/1/3/0/5/130539658/4967424.pdf
    • http://chroninc.com/uploads/1/3/0/4/130476619/575d76b1ae7d3b1.pdf
    • http://wendykuiper.nl/uploads/1/3/0/6/130621160/8707dcc4b65.pdf
    • http://hifuckers.com/uploads/1/3/0/6/130621061/401455.pdf
    • http://karasholtz.net/uploads/1/3/0/4/130488888/wififebilopa.pdf
    • http://williams73.com/uploads/1/3/0/2/130272587/865accd9207.pdf
    • http://minmaxmankind.org/uploads/1/3/0/2/130287817/6073145.pdf
    • http://www.preferredconsultinggroup.com/uploads/1/3/0/7/130740414/fimupegiseberi.pdf
    • http://asaderomialto.com/uploads/1/3/0/7/130776312/podinavi.pdf
    • http://litigatingforchange.org/uploads/1/3/0/6/130621349/pajixele.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_off00006a58.bin
5c2d041adbe1c9a038a70f12b418207b2570227834fc9d38432410c502b483c1		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6A58 8980 bytes

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