Malicious PDF — malware analysis report

Static analysis result for SHA-256 e84c5a7c431e7e68…

MALICIOUS

PDF

39.3 KB Created: 2020-03-29 09:46:05 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 9594901d10d524339047df7253891aa2 SHA-1: 76473c11023366dfbb0b260ffa683a8142db3488 SHA-256: e84c5a7c431e7e68d20d519069475ea2e8ca0077a4eb478f35a13fbb76e3ed04
62 Risk Score

Malware Insights

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

The PDF document contains a large number of external links, identified as a PDF link farm. The document body text, though partially corrupted, includes the phrase 'Ensayo de la pelicula te doy mi alma' and references the authoring application 'wkhtmltopdf', suggesting a lure to content related to a movie. The primary heuristic indicates an external URI pointing to a related HTML file. The numerous linked PDFs likely serve to inflate search engine rankings or direct users to malicious content.

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://74-123-75-90.mgwnet.com/uploads/1/3/0/7/130738974/130738974.html#ensayo+de+la+pelicula+te+doy+mi+alma
    • http://aenea.us/uploads/1/3/0/5/130551166/4236689.pdf
    • http://hostmaster.canalandrivertours.com/uploads/1/3/0/5/130551369/aaa59ece0e6781.pdf
    • http://polyticks.net/uploads/1/3/0/5/130540592/0bb9ec226fba081.pdf
    • http://tantrumcon.com/uploads/1/3/0/6/130621131/tafokazev-kaxitogezapozo-delimepo.pdf
    • http://www.mygpdelivery.com/uploads/1/3/0/6/130604620/pesurexuvamu.pdf
    • http://hostmaster.7th-hitchin.org.uk/uploads/1/3/0/9/130969854/5b1e670568a.pdf
    • http://cameronpoydras.com/uploads/1/3/0/4/130436020/088402d62c0d.pdf
    • http://www.luctravers.com/uploads/1/3/0/5/130540085/misomopufini_nagugekiwemopu_guzepapuvajowo_komifa.pdf
    • http://sosrichmond.org/uploads/1/3/0/9/130969026/735781.pdf
    • http://mystrengthbehavioralhealth.com/uploads/1/3/0/2/130289763/3607793.pdf
    • http://weinspirewellness.com/uploads/1/3/0/6/130639990/zoliwawe.pdf
    • http://www.ten40acappella.com/uploads/1/3/0/5/130542860/9ae6cade82f.pdf
    • http://spinstersguidetodating.com/uploads/1/3/0/6/130620467/nelegapefazenek-jerugemagozi.pdf
    • http://hiung.net/uploads/1/3/0/8/130813115/6548130.pdf
    • http://www.coldharbourequestrian.com/uploads/1/3/0/4/130488666/gematawifawime.pdf
    • http://ixayafoundation.org/uploads/1/3/0/2/130291493/daledevolurobadotud.pdf
    • http://adelaidehulahoopers.com.au/uploads/1/3/0/2/130289242/6334981.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_off00006e4f.bin
e5b514ae231afb7b97174bb1642d6060de2f2fa9b4fab4e8522d3d5dfde74098		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6E4F 8712 bytes

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