Malicious PDF — malware analysis report

Static analysis result for SHA-256 879dbff373d95849…

MALICIOUS

PDF

40.1 KB Created: 2020-04-10 20:42:24 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 6fe15fdf6fe0296ab0fb49df31894b4b SHA-1: 207fadcf264373734eeefefe2436deff5072e012 SHA-256: 879dbff373d95849e2cfc04873555bd9804ae5e3d9f5b66c94f181331d08bebc
62 Risk Score

Malware Insights

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

The PDF file contains a large number of external links, many of which are structured as SEO-optimized PDF links. The document body contains text that appears to be a lure for 'Cartea mortilor film online subtitra', suggesting a phishing or malware distribution attempt. The presence of numerous links to potentially unrelated domains indicates a link farm or SEO poisoning tactic to drive traffic to 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://southbayreiki.com/uploads/1/3/0/6/130639956/130639956.html#cartea+mortilor+film+online+subtitra
    • http://thefijimissionschool.org/uploads/1/3/0/7/130776699/3452901.pdf
    • http://mysweettopia.info/uploads/1/3/0/7/130776148/zekokupusizada.pdf
    • http://markhankntc.com/uploads/1/3/0/7/130740019/8859858.pdf
    • http://fiefiatonga.com/uploads/1/3/0/3/130323293/3528229.pdf
    • http://joanne-scott-csol599.com/uploads/1/3/0/6/130639333/abaa53c22607bd6.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_off0000721f.bin
c156cbee6e00307c2907894d5f481b98490cc0a5795afae8f7d3979a05281e45		 pdf-font-stream PDF embedded font (sfnt) at offset 0x721F 9592 bytes

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