Malicious PDF — malware analysis report

Heuristics 7

• 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 to algorithmically-generated URL high PDF_RANDOM_URL_LINK
  PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
• 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
• 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://drafthe.ru/uplcv?utm_term=100+pics+answers+whats+cooking PDF link annotation

  • https://izharfoster.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bce99753027---65277221279.pdfIn PDF document text
  • http://www.victorian-manor.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160708996d4f80---rezamaxavude.pdfIn PDF document text
  • https://oxi-dental.ro/imagini_ws/padotunig.pdfIn PDF document text
  • http://gernano.eu/gfx/userfiles/files/banixodug.pdfIn PDF document text
  • http://chicagohalo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bc7e0b9f04b---tunolizataze.pdfIn PDF document text
  • https://amirep.com/wp-content/plugins/super-forms/uploads/php/files/ea9245b11a359d9601eae57156a7819c/8005353815.pdfIn PDF document text
  • https://actorconseil.com/files/file/wujexurir.pdfIn PDF document text
  • http://extreamtuning.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16079bd08c3b04---52481213959.pdfIn PDF document text
  • https://assignmentmart.com/ckfinder/userfiles/files/ruxim.pdfIn PDF document text
  • http://jshtextile.com/UserFiles/file///dixisawuwenajanedima.pdfIn PDF document text
  • http://donahoelawfirm.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/zixubun.pdfIn PDF document text
  • https://www.formwork.co.uk/wp-content/plugins/super-forms/uploads/php/files/li588c3nj5cpvp37lbsmi42li3/35610091840.pdfIn PDF document text
  • https://www.pal-kont.hu/wp-content/plugins/super-forms/uploads/php/files/cac7dcd96af0da32e077c31861f3faa5/49051508997.pdfIn PDF document text
  • http://bularz-auto.pl/images/userfiles/file/94706484015.pdfIn PDF document text
  • https://genesisbehaviorcenter.com/wp-content/plugins/super-forms/uploads/php/files/f8523f76c10a6d16905ecd695bf0ffbf/9615216495.pdfIn PDF document text
  • http://doublehappyvstheinfinitesadness.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607f0db57f802---61234489711.pdfIn PDF document text
  • https://opuntia.eu/wp-content/plugins/super-forms/uploads/php/files/0085b6680cea8ed8690a47b00bb473da/94026734748.pdfIn PDF document text
  • https://dancleland.com/img/upload/file/patogolinelawelusasasuw.pdfIn PDF document text
  • http://www.siscard.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c2268d36c92---liwutiguvabebepamev.pdfIn PDF document text
  • https://spherule.org/wp-content/plugins/super-forms/uploads/php/files/93e5080e8e2fb97ed19e23d7f4d4142c/ramobupezalezokonibipelir.pdfIn PDF document text
  • https://www.cir.cloud/wp-content/plugins/formcraft/file-upload/server/content/files/160c28b89a7ca7---3259691128.pdfIn PDF document text
  • https://djhelaly.com/wp-content/plugins/super-forms/uploads/php/files/650aaabbd8a857555756c251314ecafd/xodel.pdfIn PDF document text
  • https://roweryelectra.eu/app/webroot/uploads/file/16200791827978.pdfIn PDF document text
  • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
  • http://purl.org/dc/elements/1.1/In PDF document text
  • http://ns.adobe.com/pdf/1.3/In PDF document text
  • http://ns.adobe.com/xap/1.0/In PDF document text
  • http://ns.adobe.com/xap/1.0/mm/In PDF document text
  • http://ns.adobe.com/xap/1.0/rights/In PDF document text
  • http://dejavu.sourceforge.netIn PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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