Malicious PDF — malware analysis report

Static analysis result for SHA-256 cfbe175cbda77f5f…

MALICIOUS

PDF

63.7 KB Created: 2021-05-10 09:08:45 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 24c2f0c66a237705d16611c00ee8f36c SHA-1: 7483b577e7d9510e94c624e0d0b203fa3f09ddb2 SHA-256: cfbe175cbda77f5f4dccbd4f8aeaa2c0ec7c6bd4775b88981b803c937d1f798c
94 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The file was detected as a malicious PDF by ClamAV and an ML classifier. It contains multiple embedded URLs, many of which point to suspicious PDF files hosted on compromised websites. The document body, though heavily corrupted, suggests a lure related to software downloads, likely intended to trick users into downloading a further malicious payload.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8599

Heuristics 3

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • 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://paymentsbusiness.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1607d6a8713787---kupegirizifolexo.pdf
    • https://n95america.com/wp-content/plugins/super-forms/uploads/php/files/b01e8093d19d3fd689dfe46337e8d33c/64765819916.pdf
    • https://pyhm.ca/wp-content/plugins/super-forms/uploads/php/files/i4ebkrembb1lnoboag4t25cbfq/robalawujalunakapanaza.pdf
    • https://www.idromeccanicasrl.com/idromeccanicasrl.com/wp-content/plugins/super-forms/uploads/php/files/8476d6bc63c1f8fb1080775062366f61/muliregojojowoze.pdf
    • https://www.marbelitesa.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16072e16ade4f8---kotatopit.pdf
    • https://nailseasupportgroup.com/wp-content/plugins/super-forms/uploads/php/files/984a1c759f587e1b84bb877cdb34c3ca/rodopaxikatusoxafuvoriv.pdf
    • http://agrobud.net/uploaded/file/66130572249.pdf
    • https://www.baptistenhardenberg.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1607b31974902d---vemadivupezojotirole.pdf
    • http://viaterrestre.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16077a5550f27d---powefidiwosumowojatesul.pdf
    • https://www.burit.net/wp-content/plugins/formcraft/file-upload/server/content/files/16079d11cd07fd---welozarapojilizefudaxek.pdf
    • http://premiumresourcing.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607cc4ec01d0e---260706277.pdf
    • https://avgdesign.com/userfiles/file/31938120550.pdf
    • https://www.ideaklinikbakirkoy.com/wp-content/plugins/formcraft/file-upload/server/content/files/160713beb32351---2428258464.pdf
    • https://nowackleverkusen.de/wp-content/plugins/formcraft/file-upload/server/content/files/1606fa7d63b5c6---movisapuxidirogopobig.pdf
    • https://www.helpforbusymums.com/wp-content/plugins/super-forms/uploads/php/files/c51f7e734ee8f8d08f6ee68537683bc7/didufogewofe.pdf
    • https://www.nosolodespedidas.es/wp-content/plugins/formcraft/file-upload/server/content/files/1607a5a753ffdb---31337576773.pdf
    • http://www.iamgoingto1996.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608a7de295146---nimut.pdf
    • http://principessavencanice.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607a565e01bd5---sufomozateboda.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • https://feedproxy.google.com/~r/Uplcv/~3/fzgW7-mxBc0/uplcv?utm_term=adobe+audition+portable+64+bit
    • http://scripts.sil.org/OFL

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000d6e4.bin
6533f5d6b3f063cd82c32f0e5da90ced75399043617420e6ca36d26781e75e8e		 pdf-font-stream PDF embedded font (sfnt) at offset 0xD6E4 5148 bytes

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