Malicious PDF — malware analysis report

Static analysis result for SHA-256 da54e4d22645d17f…

MALICIOUS

PDF

15.7 KB Created: 2019-05-27 05:42:44 +01:00 Authoring application: mPDF 5.7
MD5: 80f9a7a85f8a3982d65f44bc5cd904bb SHA-1: 9cbe36c52f3e8aa5f3ff420cdd604ae5f8972ee9 SHA-256: da54e4d22645d17f9a74ef51ecade565b4928015c8d0169db372a800f854cd95
60 Risk Score

Malware Insights

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

The PDF contains a large number of embedded links, identified by the PDF_SEO_LINK_FARM heuristic. While the URLs themselves are currently marked as benign, the sheer volume and structure suggest an attempt to manipulate search engine results or direct users to potentially malicious content. The document body was unreadable, limiting further analysis of the specific lure.

Heuristics 2

  • 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.
  • 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://cefasfese.4pu.com/1731739735736732735/As-Sick-as-Our-Secrets-by-A-B-Whelan.pdf
    • http://cefasfese.4pu.com/1732736730732733/As-Sick-as-Our-Secrets-by-A-B-Whelan.pdf
    • http://cefasfese.4pu.com/6730737736735/Sick-Bastard-Sick-and-Twisted-1-by-Jaci-J-.pdf
    • http://cefasfese.4pu.com/5730736730732734/Sick-and-Tired-of-Being-Sick-and-Tired-Black-Women-s-Health-Activism-in-America-1890-1950-by-Susan-L-Smith.pdf
    • http://cefasfese.4pu.com/2732732736734739/See-What-I-See-by-Gloria-Whelan.pdf
    • http://cefasfese.4pu.com/1733734735738/Chu-Ju-s-House-by-Gloria-Whelan.pdf
    • http://cefasfese.4pu.com/4735738730734733/Hannah-by-Gloria-Whelan.pdf
    • http://cefasfese.4pu.com/4730737730734736/I-simply-Cant-explain-it-by-Niamh-Whelan.pdf
    • http://cefasfese.4pu.com/5731731737733/A-Clearing-in-the-Forest-by-Gloria-Whelan.pdf
    • http://cefasfese.4pu.com/2736737732733730/My-Oxford-Year-by-Julia-Whelan.pdf
    • http://cefasfese.4pu.com/1739731731735733/Stiff-Murray-Whelan-1-by-Shane-Maloney.pdf
    • http://cefasfese.4pu.com/3732735737737734/Burying-the-Sun-Angel-on-the-Square-3-by-Gloria-Whelan.pdf
    • http://cefasfese.4pu.com/1739739731736736/Return-to-Innocence-Fields-of-Elysium-4-by-A-B-Whelan.pdf
    • http://cefasfese.4pu.com/4731731739738732/Jam-and-Jelly-by-Holly-and-Nellie-by-Gloria-Whelan.pdf
    • http://cefasfese.4pu.com/2734734732737738/All-My-Noble-Dreams-and-Then-What-Happens-Rosalind-of-the-Raj-2-by-Gloria-Whelan.pdf
    • http://cefasfese.4pu.com/1739739731735739/Fields-of-Elysium-Saga-Bundle-by-A-B-Whelan.pdf
    • http://cefasfese.4pu.com/1734733730732735/The-Complete-Guide-to-Irish-Dance-by-Frank-Whelan.pdf
    • http://cefasfese.4pu.com/3731735734739731/The-Impossible-Journey-Angel-on-the-Square-2-by-Gloria-Whelan.pdf
    • http://cefasfese.4pu.com/8732731732739736/Riverdance-Selections-Arranged-for-Easy-Piano-by-Bill-Whelan.pdf
    • http://cefasfese.4pu.com/2733738738731731/A-City-Lost-and-Found-Whelan-the-Wrecker-s-Melbourne-by-Robyn-Annear.pdf

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