Malicious PDF — malware analysis report

Static analysis result for SHA-256 034ac035f4dbbf9b…

MALICIOUS

PDF

91.1 KB Created: 2021-05-21 00:21:29 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 1243c39132e25cae9a152d3a0d311a92 SHA-1: b7aaa9da2eff05dd395af489ac4c437bb941ae41 SHA-256: 034ac035f4dbbf9b8f6601c6ea4f2a11b8b70f182a98e4026cf587efe3cf2453
96 Risk Score

Malware Insights

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

The PDF document contains an embedded URL that redirects to a site offering a download for 'Primavera p6 software free download with crack'. This is a common lure for phishing or malware distribution. The ML classifier and ClamAV detection strongly indicate malicious intent, likely to deliver a trojan.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 4

  • 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
  • Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
    The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
  • 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 https://inwebjor.ru/uplcv?utm_term=primavera+p6+software+free+download+with+crack
    • https://premiumvipbusiness.com/wp-content/plugins/super-forms/uploads/php/files/24272581bdc7c2b842f9f9ec024c541e/75813391601.pdf
    • http://hattrick-sports.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a1dcc5f267c---25157819837.pdf
    • https://xn-----6kcabagcgfjsxjciriy6alkh6a7aqk.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/989a80d63ccc28891cfa1720d4dc02d0/81065980014.pdf
    • https://www.unicodesystems.com/wp-content/plugins/super-forms/uploads/php/files/19igl32p778mr48im90uhcc9h3/nilaker.pdf
    • http://www.nbrownies.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16080b1356af5c---roxeke.pdf
    • http://www.atrium-tuiles.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608f93c630b66---57509760722.pdf
    • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16096a51a66223---96051176155.pdf
    • http://ajtoablakcentrum.com/_user/file/wukekibawaja.pdf
    • http://www.lbf-cosmetics.com/website/wp-content/plugins/formcraft/file-upload/server/content/files/1606f678469071---runinozowuz.pdf
    • http://edgecs.net/documents/42182623425.pdf
    • http://clinicacomciencia.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607dca855a6c9---38442841776.pdf
    • https://40parables.com/wp-content/plugins/super-forms/uploads/php/files/26ee2cd127ba64236637cdb4010a995d/73234700196.pdf
    • https://www.davidwoodpersonnel.com/wp-content/plugins/formcraft/file-upload/server/content/files/16087d8a7b0d7e---11398307109.pdf
    • https://amezdigital.com/wp-content/plugins/super-forms/uploads/php/files/36b7695c6e30dc840d1e7df82a0d37de/lewoliwunusefof.pdf
    • http://kaplanpm.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607d6a82a7020---noxipixonopizenewebunifuj.pdf
    • http://tfh-filter.hu/_user/file/81543506843.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • 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/
    • http://scripts.sil.org/OFL

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00012749.bin
b8090f86a5d2f70854351f9b9e4b66705750458abdb73ff728566e8fc5eb5119		 pdf-font-stream PDF embedded font (sfnt) at offset 0x12749 5768 bytes
font_01_sfnt_off00013ad4.bin
0121be881645a03dabec96db2e7fc22c8c9c0f87daab284252053225b9a7cc13		 pdf-font-stream PDF embedded font (sfnt) at offset 0x13AD4 10672 bytes

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