Malicious PDF — malware analysis report

Static analysis result for SHA-256 be2acef3650f84a6…

MALICIOUS

PDF

45.9 KB Created: 2020-03-31 19:27:37 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 59148bd207fb7370d0e3841d634b2ac9 SHA-1: e53b2c522a64ffcfe99317e4a04dfc25cfeec8c6 SHA-256: be2acef3650f84a6b0f4cb2ab1c18865bea6c438b4031b50748fe973e5211161
62 Risk Score

Malware Insights

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

The PDF document contains a large number of external links, a technique commonly used for SEO link farms. The primary heuristic identified a link farm with 30 external PDF links, suggesting an attempt to manipulate search engine rankings or redirect users to malicious content. No scripts were extracted, and the document body is largely unreadable binary data, making it difficult to determine a more specific attack pattern beyond the link farm.

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://marythumma.com/uploads/1/3/0/5/130589160/130589160.html#no+se+nada+de+ti+lyrics+in+english
    • http://decoracionesarenasyalvarez.com/uploads/1/3/0/4/130488175/5723836.pdf
    • http://hellogorgeousky.com/uploads/1/3/0/9/130969690/df88c117c0.pdf
    • http://synergyperformancefitness.com/uploads/1/3/0/9/130969506/3ee47664acaab9f.pdf
    • http://psyshifter.com/uploads/1/3/0/6/130621185/tebugikezox_xexodim_tetinipana_dimeliwadoxal.pdf
    • http://meredithwilcke.net/uploads/1/3/0/7/130776516/0af7718dd3875.pdf
    • http://vierreclothin.com/uploads/1/3/0/4/130477755/6889411.pdf
    • http://omearafamilyfarm.com/uploads/1/3/0/6/130604145/5665412.pdf
    • http://morrisandsilvester.com/uploads/1/3/0/7/130776529/lorileluw.pdf
    • http://mychicagoenterprises.com/uploads/1/3/0/7/130776150/gukotofumexiri.pdf
    • http://sgarrigues.net/uploads/1/3/0/7/130776350/5564940.pdf
    • http://agingnaked.com/uploads/1/3/0/4/130489055/1618111.pdf
    • http://luceknots.com/uploads/1/3/0/7/130776734/691fa13435cae.pdf
    • http://seaspelldestin.com/uploads/1/3/1/1/131163879/tirekinagaxebag.pdf
    • http://isabelwitte.org/uploads/1/3/0/4/130488832/3118997.pdf
    • http://cookiedelectables.com/uploads/1/3/0/6/130621123/8048818.pdf
    • http://pinnaclepersistence.com/uploads/1/3/0/6/130621306/9063592.pdf
    • http://jacobellefarm.com/uploads/1/3/0/7/130739889/9bac832d.pdf
    • http://retiprogram.org/uploads/1/3/0/7/130775163/josiv.pdf
    • http://musicprodnotes.com/uploads/1/3/0/4/130492889/605056.pdf
    • http://thenewbornnest.com/uploads/1/3/0/6/130621505/jisogivekerasavotux.pdf
    • http://healthandbodywraps.com/uploads/1/3/1/3/131381963/xugupowav.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_off000088d4.bin
b5f4c31bc87b380a9bdb6958d1b059507a98a1977cb84c6606f5c44b384f6c01		 pdf-font-stream PDF embedded font (sfnt) at offset 0x88D4 9212 bytes

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