Malicious PDF — malware analysis report

Static analysis result for SHA-256 cdf6251b81c03fc4…

MALICIOUS

PDF

40.5 KB Created: 2020-04-01 21:48:18 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 549adf789895a625def3f7d96f594ffd SHA-1: c5737a17962a7043d59a88ed46a3bf73fd1656f0 SHA-256: cdf6251b81c03fc4fafddda9dab613fd9a8f07201c279f15f88eb6b7dda24491
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. These links point to various PDF files on different domains, suggesting a link farm or a distribution mechanism for further malicious content. The document body contains text related to 'Skyrim special edition mod list' and authoring application details, which likely serves as a lure. No scripts were extracted from this sample.

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://dkrusticdesign.com/uploads/1/3/0/8/130814642/130814642.html#skyrim+special+edition+mod+list
    • http://thelegalactiongroup.com/uploads/1/3/1/4/131437487/1070702.pdf
    • http://entrenadorafranco.com/uploads/1/3/0/3/130379367/4496119.pdf
    • http://surpresainbox.com/uploads/1/3/1/3/131383721/7581f3e3ba0.pdf
    • http://jahjahshakur.com/uploads/1/3/0/3/130324030/zazoxiz.pdf
    • http://ccandleco.com/uploads/1/3/0/3/130313037/26b4003fa1151.pdf
    • http://sieswerdagoldewedding.com/uploads/1/3/0/4/130491850/4bd9bc580d17.pdf
    • http://vicecitywrestling.com/uploads/1/3/1/3/131380183/tenapepesefire_buzowuzam_ladev.pdf
    • http://externalsolutionsltd.com/uploads/1/3/1/3/131384611/0ff256bd1e40c.pdf
    • http://emilyswinford.com/uploads/1/3/0/5/130590509/c045fe4fd1b0c8a.pdf
    • http://ludvigbua.net/uploads/1/3/0/5/130545816/rimoxoxexise.pdf
    • http://norawahlbrink.com/uploads/1/3/0/3/130323603/8c718e9254c8c0f.pdf
    • http://jessica-renee-photo.com/uploads/1/3/1/3/131379021/1959307.pdf
    • http://angeloakfitness.com/uploads/1/3/0/5/130543351/045e5f4b9c85708.pdf
    • http://www.azure.comppro.com/uploads/1/3/1/0/131070146/tereno_fumodi.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_off00007586.bin
c1eb9dfd8b0aa2c5d31df081eba753f527e507fd4f221a37bf878cfa94917249		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7586 8108 bytes

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