Malicious PDF — malware analysis report

Static analysis result for SHA-256 2cd4b24672522255…

MALICIOUS

PDF

30.4 KB Created: 2020-04-16 03:57:10 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 458a04499abd78b280f2359ed1cc6f9e SHA-1: dbb78aaaef11fb0e6ba686ac7611d6cb60a5737e SHA-256: 2cd4b2467252225527935ca27165fab3c7496c4a49f910feb93a115628aadad8
62 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains a significant number of external links, triggering the PDF_SEO_LINK_FARM heuristic. The document body, though heavily obfuscated, contains references to URLs that are also listed in the extracted URLs. These URLs likely serve as lures to redirect users to potentially malicious content or phishing sites. No scripts were extracted, limiting the ability to determine specific execution behaviors.

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://everlastingpersonalizedgifts.com/uploads/1/3/1/3/131384252/131384252.html#bhojpuri+hd+video+song++all
    • http://common-ground-sonoma.org/uploads/1/3/0/4/130436441/74640.pdf
    • http://mycharleyholcomb.com/uploads/1/3/0/4/130476429/senogoxeruxop.pdf
    • http://lashedbykadia.com/uploads/1/3/0/6/130620172/9126b544eadc.pdf
    • http://gogohio.com/uploads/1/3/0/9/130968968/1057916.pdf
    • http://theteachersdiary.com/uploads/1/3/0/7/130776787/dozogawowuzebu_vibubipasogoba_fukedozatareva.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_off0000521a.bin
516598d20446a7171fae651d83f8d4d0e227153c76b5437cc327ccf036080186		 pdf-font-stream PDF embedded font (sfnt) at offset 0x521A 7016 bytes

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