Malicious PDF — malware analysis report

Static analysis result for SHA-256 5640296f4f67012f…

MALICIOUS

PDF

50.7 KB Created: 2020-06-05 07:52:07 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 4f0733302cd475a8a7c6e82328abbaf9 SHA-1: 9c9a47394f020b04b10e9e45cf8dbd04f114ae89 SHA-256: 5640296f4f67012f78f7303d2812a1d4e7fe14bc1a0889b03e5b0ff4ec5244f8
62 Risk Score

Malware Insights

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

The PDF file contains numerous external links, a technique commonly used for SEO manipulation and distributing malicious content. The heuristic 'PDF_SEO_LINK_FARM' specifically identifies this behavior, indicating a large number of external links embedded within the document. The document body contains a reference to 'Fuente ovejuna in english' and wkhtmltopdf, suggesting it might be a lure document. No scripts were extracted from this sample.

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://rainhasdosabor.com/uploads/1/3/1/3/131380609/131380609.html#fuente+ovejuna+in+english
    • http://dwaynerealestatedeals.com/uploads/1/3/1/3/131384735/rufibazewegudur-mevarafalekeza-sizesutaketitur.pdf
    • http://thissock.ca/uploads/1/3/1/4/131438259/fobagoxam-fegijewutin-kabodudosomo-rasawefiv.pdf
    • http://nydiscreetparanormal.com/uploads/1/3/0/5/130550890/936fe01ab200.pdf
    • http://rainhasdosabor.com/uploads/1/3/1/3/131380609/terms.html
    • http://rainhasdosabor.com/uploads/1/3/1/3/131380609/dmca.html
    • http://rainhasdosabor.com/uploads/1/3/1/3/131380609/policy.html
    • http://dwaynerealestatedeals.com/uploads/1/3/1/3/131384735/rufibazewegudur-mevarafalekeza-sizesutaket
    • https://fasigozup.files.wordpress.com/2020/06/79669832367.pdf
    • https://gikosunujuz.files.wordpress.com/2020/06/85657745017.pdf
    • https://potasadodul.files.wordpress.com/2020/06/fisesitorafapulazugul.pdf
    • https://rolabetupi.files.wordpress.com/2020/06/71361661184.pdf
    • https://kanisaxubug.files.wordpress.com/2020/06/tulajalikafobotomazibu.pdf
    • https://nudalodiwa735009136.files.wordpress.com/2020/06/91344228844.pdf
    • https://nipatojubob.files.wordpress.com/2020/06/xokuj.pdf
    • https://muxoveriku.files.wordpress.com/2020/06/fosuraxujowi.pdf
    • https://mavidajefer.files.wordpress.com/2020/06/toluvalije.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_off00009992.bin
c1afb77303beffb14822741f9e90dc20c19be5f216f136b8dd1133c3852cdca2		 pdf-font-stream PDF embedded font (sfnt) at offset 0x9992 11288 bytes

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