Malicious PDF — malware analysis report

Static analysis result for SHA-256 3008a284728f13b0…

MALICIOUS

PDF

53.9 KB Created: 2021-07-21 07:33:14 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-10-12
MD5: c1c605791adeec15bdbb19646d88a1b8 SHA-1: aa219d23da3a8cafb74bf448425e3db4fffef7f8 SHA-256: 3008a284728f13b0a3969f1b26e3fb2ee16aca06886ce97c1eae5b82b4580f05
124 Risk Score

Malware Insights

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

The file is a PDF document identified by ClamAV as a phishing trojan. Static analysis revealed it functions as a link farm, containing numerous URLs pointing to compromised websites that host further PDF files. These linked PDFs are likely designed to lure users into downloading malicious content or providing sensitive information.

Machine Learning

  • Nyx PDF Classifier suspicious score 0.2924

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • 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://ccswcd.com/userfiles/file/6622752440.pdf In PDF document text
    • https://panegovernance.com/ourprojects/chowki/UserFiles/file/41175101412.pdfIn PDF document text
    • https://gencerenerji.com/resimler/files/53261539876.pdfIn PDF document text
    • https://www.sevgiliyevideo.net/wp-content/plugins/formcraft/file-upload/server/content/files/1609236f899581---20896636424.pdfIn PDF document text
    • https://exxontel.com/file/23382425405.pdfIn PDF document text
    • https://oneremote.ru/wp-content/plugins/super-forms/uploads/php/files/e0f50c756c054e27eccf7661a750a999/45165562031.pdfIn PDF document text
    • https://rfcorporation.net/wp-content/plugins/super-forms/uploads/php/files/96fc6a65e796dc1790f4894d87c7cd31/83506932804.pdfIn PDF document text
    • https://www.arphplumbing.co.uk/wp-content/plugins/super-forms/uploads/php/files/nhtq28aj40tgfgm2dc950hmbvt/85314880266.pdfIn PDF document text
    • https://amenajarisiconstructii.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16087280105d39---9814134193.pdfIn PDF document text
    • http://xn--l3cbpp3gh4a5g5c.com/userfiles/files/xebopezagozera.pdfIn PDF document text
    • http://chocolatycakes.com/wp-content/plugins/formcraft/file-upload/server/content/files/16079450c2a827---87314030393.pdfIn PDF document text
    • http://uniondeautoescuelas.com/wp-content/plugins/formcraft/file-upload/server/content/files/16076b81230089---36394014224.pdfIn PDF document text
    • https://jiptv.nl/wp-content/plugins/super-forms/uploads/php/files/ac7qtpahun9v4hq9kbmu2g38rf/33938836064.pdfIn PDF document text
    • http://www.alwaysflorida.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b0510357535---17440290429.pdfIn PDF document text
    • http://etasystem.net/userfiles/files/83163687906.pdfIn PDF document text
    • https://livingcircles.ch/wp-content/plugins/formcraft/file-upload/server/content/files/1608db3fac4ab4---13605631401.pdfIn PDF document text
    • http://hhs63.org/clients/8/88/88ec95b665b56da82b1de85f097fba10/File/96994849126.pdfIn PDF document text
    • http://sushikyototogo.com/uploads/files/63187774155.pdfIn PDF document text
    • https://skazkavdom.com/wp-content/plugins/super-forms/uploads/php/files/06d796ac60931ad53dc8338a5bee308e/60282329914.pdfIn PDF document text
    • http://zzquansu.cn/d/files/wazulitisabisazid.pdfIn PDF document text
    • https://www.ogblfrontaliers.fr/wp-content/plugins/super-forms/uploads/php/files/p6oa82n1irhe6lf05cu8482plv/dekadi.pdfIn PDF document text
    • https://lanjutpt1.com/contents//files/gifizasep.pdfIn PDF document text
    • http://architettoangeli.it/userfiles/files/15454056922.pdfIn PDF document text
    • https://bf-pomosch.ru/wp-content/plugins/super-forms/uploads/php/files/6bs8ev4pgvv7cm09103ri30p11/mowusesijisironikunopiz.pdfIn PDF document text
    • http://ildungrice.com/fileupload/fckeditor/file/xowagobixokesa.pdfIn PDF document text
    • https://earplighting.com/wp-content/plugins/super-forms/uploads/php/files/79f1a47a7778784cdd6d4e98c922e231/kegufumap.pdfIn PDF document text
    • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BkSY9tpko7c/uplcv?utm_term=you+my+butterfly+sugar+babyPDF link annotation

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