Malicious PDF — malware analysis report

Static analysis result for SHA-256 f3a996007f1c5bbe…

MALICIOUS

PDF

70.6 KB Created: 2020-04-04 13:01:18 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 785026ab1db0cbfb575aae77d52b2078 SHA-1: ca95c6c8cd6ae8eab4fcccd675b301421124443a SHA-256: f3a996007f1c5bbe1150bee42f6097ef2ec8d269f2c5546ed05f1533a67ef0bc
62 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF document contains a large number of external links, many of which point to other PDF files, suggesting a link farm or SEO poisoning tactic. The document body, though heavily obfuscated, contains a URL that appears to be a lure for job seekers. The presence of numerous external links indicates an attempt to direct users to potentially malicious content or phishing sites.

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://wilmingtonladiesteawalk.org/uploads/1/3/0/2/130271054/130271054.html#gerente+administrativo+de+un+restaurante+funciones
    • http://balearicluxuryestates.com/uploads/1/3/0/4/130476086/5287039.pdf
    • http://washingtontwpparks.com/uploads/1/3/0/2/130271081/899d7e06c445a4.pdf
    • http://francescocamuglia.com/uploads/1/3/0/5/130544090/570052.pdf
    • http://frankyjay.net/uploads/1/3/1/4/131407424/xugakudesedon.pdf
    • http://optimabatterieshub.com/uploads/1/3/0/2/130289741/bofegifixatasu_zazipevubikese_tinijekurizajav.pdf
    • http://mickiscleaningservices.com/uploads/1/3/0/4/130488410/7738367.pdf
    • http://brittanyaholmes.com/uploads/1/3/0/9/130968917/ce14472.pdf
    • http://iamdtf.net/uploads/1/3/1/3/131381497/sitalitixofagike.pdf
    • http://emtarouca.com/uploads/1/3/0/8/130874134/9a0b5a.pdf
    • http://thebittersweetrose.com/uploads/1/3/0/5/130539403/mofexewusiwijoxiruli.pdf
    • http://jayhawkmedia.info/uploads/1/3/0/4/130476157/sisositivajasage.pdf
    • http://mollykidder.com/uploads/1/3/0/5/130588378/petixupinudisa-vazunudo.pdf
    • http://allriversidehomes.com/uploads/1/3/0/7/130775917/suxazidasesa.pdf
    • http://kotiidartat.site/uploads/1/3/0/5/130539225/1868596.pdf
    • http://thedivineplanofgod.com/uploads/1/3/0/3/130313000/suvuzomirawiv.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_off0000ea55.bin
3d34d2f28c2c79e08367b3637ea6ce8917feef3b3a2c225ed588a9505a4e358c		 pdf-font-stream PDF embedded font (sfnt) at offset 0xEA55 9732 bytes

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