Malicious PDF — malware analysis report

Static analysis result for SHA-256 4e5e6cb66c9c0aa1…

MALICIOUS

PDF

139.6 KB Created: 2020-03-12 08:15:21 +02:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 404e99b6f01906ab4d009a546846ade6 SHA-1: fda45ef596704a6d47255e886fbfb0c8cb5bc76b SHA-256: 4e5e6cb66c9c0aa1416d227337f2808b23fa05e9fba6e1240465e02b8f980f9d
62 Risk Score

Malware Insights

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

The PDF file contains numerous external links, a technique often used for SEO spam or to redirect users to malicious sites. The document body, though heavily obfuscated, contains text related to 'The new palgrave a dictionary of economics first edition 1987 pdf', suggesting a lure to attract users interested in academic or economic content. The heuristic 'PDF_SEO_LINK_FARM' confirms the presence of a large number of external links, indicating a likely attempt to manipulate search engine results or distribute content from multiple domains.

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://yinghuangguojiyulecheng.br3h.com/uploads/1/3/0/8/130814338/130814338.html#the+new+palgrave+a+dictionary+of+economics+first+edition+1987+pdf
    • http://www.releveacademyofperformingarts.com/uploads/1/3/0/9/130969800/zuvalive.pdf
    • http://angellightreiki.com/uploads/1/3/0/4/130490151/56aa40287.pdf
    • http://menthings.net/uploads/1/3/0/7/130775181/9511109.pdf
    • http://simpledesignsbyjennifer.com/uploads/1/3/0/5/130539185/a8c6d998a8ac2.pdf
    • http://detourmovement.org/uploads/1/3/0/5/130551338/7489628.pdf
    • http://tipmebro.com/uploads/1/3/0/2/130289338/tanezeta.pdf
    • http://webmail.postofficelock.com/uploads/1/3/0/7/130740163/gupulafafevejaxutumu.pdf
    • http://hospitalitymelbourne.com/uploads/1/3/0/7/130738940/rodofefuwugadas.pdf
    • http://mvhc-llc.com/uploads/1/3/0/5/130588982/4563815.pdf
    • http://www.drlesliejenkins.com/uploads/1/3/0/6/130605203/jedorozapumixal.pdf
    • http://findingmybeautiful.com/uploads/1/3/0/3/130379181/kolijexilogewazivosu.pdf
    • http://disneynewsandreviews.com/uploads/1/3/0/6/130621240/josazuzol.pdf
    • http://fretbuzz.com/uploads/1/3/0/6/130621589/730123f004a6.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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0001e166.bin
4daff13ad70334fa141285474f34b2a471418584031f47fe7aa4f4122c440d51		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1E166 10928 bytes
font_01_sfnt_off00020748.bin
60acd33b0d1feb91535079dcf2cb5a803a35fce5dccb6ae269b68b5fa2548981		 pdf-font-stream PDF embedded font (sfnt) at offset 0x20748 16340 bytes

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