Malicious PDF — malware analysis report

Static analysis result for SHA-256 c1914fe8bdf910cd…

MALICIOUS

PDF

40.3 KB Created: 2020-04-26 06:00:13 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 299d94868adc69159e19f244468f53a9 SHA-1: 7c974b5e82dc6f42666b56bcb84e4f6f8d838e92 SHA-256: c1914fe8bdf910cd3bd0e2a34fec1e92dc1fa988872ce87779c247bdaa5d15f5
72 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains a large number of external links, many of which point to PDF files hosted on similar domains, suggesting a link farm or redirection mechanism. The document body presents itself as an annual report, which is a common lure for phishing or malware delivery. The heuristic 'PDF_SEO_LINK_FARM' indicates a high volume of outbound links, and 'SE_INVOICE_LURE' suggests a deceptive content strategy. No scripts were extracted from this sample.

Heuristics 4

  • 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.
  • Fake invoice / payment lure low SE_INVOICE_LURE
    Document contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
  • 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://irieint.com/uploads/1/3/0/7/130739480/130739480.html#hampshire+county+council+pension+fund+annual+report
    • http://endlesshappiness.org/uploads/1/3/1/4/131437978/48182ac9a2e.pdf
    • http://thehomesteaders.life/uploads/1/3/0/6/130620604/9339628.pdf
    • http://esquirecoaching.net/uploads/1/3/1/4/131406202/5411101.pdf
    • http://mtopag.com/uploads/1/3/0/2/130271159/a16fe89.pdf
    • http://nationalsolargroup.net/uploads/1/3/0/7/130775518/870031.pdf
    • http://meredithbell.org/uploads/1/3/1/3/131381840/fda7cd8606518.pdf
    • http://music-baseaaa.com/uploads/1/3/1/4/131437377/6a5f9e34afbbd.pdf
    • http://vapeoholicny.com/uploads/1/3/1/1/131164472/7766726.pdf
    • http://mangoplugs.com/uploads/1/3/0/3/130313271/e6c22822e0.pdf
    • http://triloflooring.com/uploads/1/3/0/4/130488123/zafikafaxejuris_totaba_wepagumewanene.pdf
    • http://winksandwhatnots.com/uploads/1/3/0/7/130739718/tebapusofoga_rafigobif_wibex_joxexakamiv.pdf
    • http://it4kmu.com/uploads/1/3/0/9/130969312/leteb_rolapizufufuki.pdf
    • http://slaverydatabase.com/uploads/1/3/0/6/130604241/2879252.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_off0000758c.bin
3b10c96ea63de7b5099846d6591ba9045952373f5cd4f5b3705ae349be8b81c7		 pdf-font-stream PDF embedded font (sfnt) at offset 0x758C 8000 bytes

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