Malicious PDF — malware analysis report

Static analysis result for SHA-256 db532dd0cd0aa801…

MALICIOUS

PDF

54.0 KB Created: 2021-09-02 08:34:47 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-11-25
MD5: ce77d6711602de1fda645a8804ebfeb5 SHA-1: bfb8384a88121671a7815e181480a438ce27af3b SHA-256: db532dd0cd0aa801962345a04823748f884abe6316df137a18d046852562d9c7
154 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF file was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV identifying it as Pdf.Phishing.Trojan. The numerous embedded URLs, many pointing to compromised CMS uploads or disposable hosting, suggest a link farm designed to redirect users to malicious content. The file's structure and URL patterns are consistent with phishing or malware distribution campaigns.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8993

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 https://ketchas.ru/uplcv?utm_term=the+meaning+of+manifest PDF link annotation
    • https://osikovo.eu/webroot/img/content/files/98509433490.pdfIn PDF document text
    • http://kanalizace-ul.cz/userfiles/file/gotodaxoronuranobewufi.pdfIn PDF document text
    • https://bbpartner.cz/userfiles/file/21049765337.pdfIn PDF document text
    • http://fantasypartyentertainment.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607fb381a1dda---36343914983.pdfIn PDF document text
    • http://rsport.eu/yonexshop/static/file/sajudenutabanox.pdfIn PDF document text
    • http://business-plan-capalpha.eu/mbp/upload/images/images/upload/ckfinder/xumal.pdfIn PDF document text
    • http://hawks79.com/clients/85064/File/tazomugilokuxuwederimelin.pdfIn PDF document text
    • https://www.prestigeautobody.com.au/wp-content/plugins/super-forms/uploads/php/files/8254dacdf0165b66dddac2059e66e557/99220383435.pdfIn PDF document text
    • http://amoy-art.com/Upload/file/292205886.pdfIn PDF document text
    • http://gingerwooddesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608efbc1131a6---pewinusomirexupu.pdfIn PDF document text
    • https://malimbe.africa/wp-content/plugins/super-forms/uploads/php/files/d7177ae1003b4d4006271072b00dbed3/rezevenuvitiwelu.pdfIn PDF document text
    • http://conservationenergy.com/wp-content/plugins/formcraft/file-upload/server/content/files/16119e7c94678f---mijafusowuvojika.pdfIn PDF document text
    • http://mprime.net/ckfinder/userfiles/files/25108394435.pdfIn PDF document text
    • https://ifacemount.com/wp-content/plugins/super-forms/uploads/php/files/mve745ouk74eavf584hkkl9j6c/newafixawodunowuvo.pdfIn PDF document text
    • http://mfahk.com/upload/files/debiguso.pdfIn PDF document text
    • http://cuacuonanbinh.com/userfiles/file/daweve.pdfIn PDF document text
    • https://sgotomotiv.org/upload/files/78083443406.pdfIn PDF document text
    • http://ampletrekking.com/userfiles/file/wovunifalodebikezusulugak.pdfIn PDF document text
    • https://www.costaverde.it/wp-content/plugins/formcraft/file-upload/server/content/files/160c8e534c11cb---12425109541.pdfIn PDF document text
    • https://www.edutechusa.com/wp-content/plugins/formcraft/file-upload/server/content/files/16085748281919---niwelupiduxuzazikevaxa.pdfIn PDF document text
    • https://classykitchen.pl/web/uploads/files/99032694770.pdfIn PDF document text
    • https://biomedchita.ru/imeg_master/file/14458055328.pdfIn PDF document text
    • http://xn--90ad5ackt1d.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/7db9b785d658964703f06836ccf5c85d/budufupujadizotoli.pdfIn PDF document text
    • https://mytutr.com/wp-content/plugins/super-forms/uploads/php/files/dfef5bdae8d9d6d0c37a7885c5fbf375/dudumebarujewenagumalel.pdfIn PDF document text
    • https://lakeshoresmilesdentistry.com/wp-content/plugins/super-forms/uploads/php/files/1rr5ebvh3u6c1hifmcq570l825/vutuxixazemefuxajokeboliv.pdfIn PDF document text

Open this report in the interactive analyzer, or submit your own file for analysis.