Malicious PDF — malware analysis report

Static analysis result for SHA-256 dc0bdd85306ef498…

MALICIOUS

PDF

38.0 KB Created: 2020-04-04 12:46:56 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 647bfae9b1c7efb598d27eea7b530ed4 SHA-1: 43f9fe91269316a7759da21be7f220b989b03d55 SHA-256: dc0bdd85306ef498d708169128557f43df6fb3d2e29e9f232b8ddaf0aec0b2cc
62 Risk Score

Malware Insights

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

The PDF file contains a significant number of external links, identified by the PDF_SEO_LINK_FARM heuristic. These links point to various domains, many of which appear to be part of a link farm designed to manipulate search engine results. The document body also contains a URL that is likely part of this scheme. No scripts were extracted from this sample, limiting the ability to determine a more specific payload or intent beyond link manipulation.

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://angelexpresscargo.com/uploads/1/3/0/7/130740250/130740250.html#lonely+planet+greek+islands+2018
    • http://winerydestinationweddings.com/uploads/1/3/1/1/131164239/5e815.pdf
    • http://liderarsoluciones.com/uploads/1/3/0/8/130813705/xabutewewibulavujigi.pdf
    • http://koncgroup.com/uploads/1/3/1/0/131070576/fuwuduvaf.pdf
    • http://gaildavismusic.com/uploads/1/3/0/7/130739661/tanasirater-vozixisexakag.pdf
    • http://richardsonpia.com/uploads/1/3/0/3/130313107/48d5d583f6af2.pdf
    • http://alaskasportsrecovery.com/uploads/1/3/0/6/130639836/1098056.pdf
    • http://canndeco.com/uploads/1/3/0/2/130287266/laruvosofo.pdf
    • http://synergychurch.info/uploads/1/3/1/3/131380969/d9336e.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_off00006a1a.bin
0fa483a668f789de394cc4384dcf2c839fed7920079960cd0c416583b4d7bf51		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6A1A 8660 bytes

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