Malicious PDF — malware analysis report

Static analysis result for SHA-256 39a81d0080c1ee85…

MALICIOUS

PDF

46.6 KB Created: 2020-03-16 18:38:48 +02:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 557752385621771cbfcf8bbf7b137ad7 SHA-1: 2e7aaab6a67c398c5dea770b91f9eb694dbaad12 SHA-256: 39a81d0080c1ee858e526322ee3b0f62038b3080d8cbeba24801ccd6989209c9
62 Risk Score

Malware Insights

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

The PDF file contains a large number of external links, a technique commonly used to redirect users to malicious websites or to artificially inflate search engine rankings for malicious content. The heuristic 'PDF_SEO_LINK_FARM' indicates that the PDF is designed to host a mass of external links, with 30 such links detected. The embedded URLs and the document body text, though obfuscated, point to these external resources, suggesting a delivery mechanism for further malicious content or phishing attempts.

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://yaredimmtratax.com/uploads/1/3/0/4/130476045/130476045.html#3+etil+2+3+dimetilpentano+formula
    • http://74-123-78-68.mgwnet.com/uploads/1/3/0/5/130541023/dabodalezarijupe.pdf
    • http://quantumlevelsoulhealing.com/uploads/1/3/0/3/130379422/4310593.pdf
    • http://thebandthecast.com/uploads/1/3/0/3/130379094/5adfec.pdf
    • http://www.rl3.es/uploads/1/3/0/6/130639566/goworam-wakeribon-polovex.pdf
    • http://flintcaucus.org/uploads/1/3/0/2/130288441/dekilewogugos.pdf
    • http://jjmyersconstructiongroupllc.com/uploads/1/3/1/0/131070420/a3055d2.pdf
    • http://natureguidetrainingbotswana.com/uploads/1/3/0/7/130739225/8409a475950f0.pdf
    • http://www.sanddollararabians.com/uploads/1/3/0/2/130288557/puletirulimeduvinumi.pdf
    • http://www.susandevico.com/uploads/1/3/0/5/130588153/gabunawebab_muvapabuveni.pdf
    • http://theloyalhannainsurancegroup.com/uploads/1/3/0/5/130588998/d02d7.pdf
    • http://escamuel.org/uploads/1/3/0/6/130603865/8666208.pdf
    • http://mdbcontractors.com/uploads/1/3/0/7/130740375/fadoror-dizumadizad-vozunibi.pdf
    • http://cartiercouturee.com/uploads/1/3/0/6/130639546/jedebezopajila.pdf
    • http://mommylovesandrew.com/uploads/1/3/0/3/130312985/83685e2e.pdf
    • http://taobaoshuarenqipinglunruhexie.thesurge.cc/uploads/1/3/0/7/130738497/f9392f3.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_off00008ab6.bin
49ad390da9f938884ad89ff4dc0d0bb5a0f2bf988a1591ec8b907694000db57a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8AB6 9236 bytes

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