Malicious PDF — malware analysis report

Static analysis result for SHA-256 68e061a237285c43…

MALICIOUS

PDF

46.1 KB Created: 2021-06-29 05:09:59 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-09-29
MD5: 1e66987313c0a7a7ad8e2a4a152bb7e2 SHA-1: 6420d014da419e5517f423843cce709dcaf3cb05 SHA-256: 68e061a237285c43adf8a3ce2a5c2387d3b0e80c428999dad376af4c1de232cf
154 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

This PDF file was identified as malicious by ClamAV and an ML classifier. It functions as a link farm, containing numerous embedded URLs that point to compromised WordPress sites and disposable hosting. These links likely lead to phishing pages or further malware downloads, indicating a malicious intent to lure users to unsafe content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.7407

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM
    PDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
  • Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
    Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
  • 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://absolutelyneon.com/userfiles/file/zawelubilodajul.pdf In PDF document text
    • http://mognational.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609202655aaf3---84001410775.pdfIn PDF document text
    • http://argentum.com/wp-content/plugins/super-forms/uploads/php/files/64c0tcvrdfdujfrfcakb9pg8fi/gadonefiw.pdfIn PDF document text
    • http://www.sunarpazarlama.com/wp-content/plugins/super-forms/uploads/php/files/n3duk6jk86bab06qkektqqs4v3/66012839661.pdfIn PDF document text
    • http://ptk-astana.kz/wp-content/plugins/super-forms/uploads/php/files/e227387fcd394ac2560028bb7f4549a1/79130864726.pdfIn PDF document text
    • https://journeypeople.cc/wp-content/plugins/super-forms/uploads/php/files/5a938f085266c016016440fb3ce1ead6/sivobowefujipetaratamefop.pdfIn PDF document text
    • https://monuments-msk.ru/wp-content/plugins/super-forms/uploads/php/files/3142e297e0e5ff01fd0578faee70b238/72584657011.pdfIn PDF document text
    • https://unitedcardsolutions.com/wp-content/plugins/formcraft/file-upload/server/content/files/160865cea31e7c---67773301107.pdfIn PDF document text
    • https://postelezmasivu-ostrava.cz/ckfinder/userfiles/files/66108306740.pdfIn PDF document text
    • https://falconshipping-uae.com/userfiles/files/tarubakokikikanetetezadav.pdfIn PDF document text
    • http://www.lavalledesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cad271c212a---bagivazuxuretom.pdfIn PDF document text
    • http://jtour.vn/userfiles/file/41787259256.pdfIn PDF document text
    • http://www.ashtralmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aaa042c93e5---92193983598.pdfIn PDF document text
    • https://arte-salon.ru/upload_picture/50262628031.pdfIn PDF document text
    • https://x-software.cz/data/file/88398127642.pdfIn PDF document text
    • https://stakeoutllc.com/wp-content/plugins/super-forms/uploads/php/files/de30037e311a99f9d7b9d7124ee9704a/zazetapibolojobikamafogil.pdfIn PDF document text
    • http://walkofagesvt.org/clients/0/0e/0e42319052772b195a43ba3ede0f03e0/File/xetabogoninonadixovofuxe.pdfIn PDF document text
    • https://halobysciton.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ac9cbcbf1aa---kefunupomiwigijetavimilur.pdfIn PDF document text
    • http://kiemtoanhaiphong.vn/upload/files/66732236725.pdfIn PDF document text
    • http://olympusflights.com/files/files/tinav.pdfIn PDF document text
    • https://acornschoolcharleston.org/wp-content/plugins/super-forms/uploads/php/files/c4d6b66f89229caf45b08f92673e21cc/58283264997.pdfIn PDF document text
    • https://tonwen.org/userfiles/file/rover.pdfIn PDF document text
    • http://www.putnamtaxi.net/wp-content/plugins/formcraft/file-upload/server/content/files/1608d86899b6c1---telaj.pdfIn PDF document text
    • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/FevRqgeaUVY/uplcv?utm_term=gaby+lost+and+foundPDF link annotation

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