Malicious PDF — malware analysis report

Heuristics 7

• 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.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• 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 http://mijneigenlift.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1607bbd3de0fa2---45958779685.pdf In PDF document text

  • http://polletnv.be/uploads/files/92623825243.pdfIn PDF document text
  • https://mosoptagro.ru/wp-content/plugins/super-forms/uploads/php/files/993abcc60a2f48e890d27eed289ecdc6/20562799324.pdfIn PDF document text
  • http://chronocertif.com/userfiles/file/kimikewomupem.pdfIn PDF document text
  • http://starlightskiothon.ca/clients/4/44/44db284a3a4a6a3f34f8f2fa71918f98/File/17998683915.pdfIn PDF document text
  • http://garagehayashi.com/js/upload/files/5852349944.pdfIn PDF document text
  • https://activepymes.com/pub/file/59779892056.pdfIn PDF document text
  • http://kystop.com/wp-content/plugins/super-forms/uploads/php/files/rs0c8rlkfnnk24bbaackat6tk7/33031818106.pdfIn PDF document text
  • https://www.skyline-recruiting.com/wp-content/plugins/super-forms/uploads/php/files/c9abce40c24c166310e97ad260c2e8ea/daduxi.pdfIn PDF document text
  • https://rabudiagnostic.com/userfiles/files/45926272916.pdfIn PDF document text
  • http://stlnsk.ru/uploads/file/mitik.pdfIn PDF document text
  • http://kameleonhastanc.hu/files/file/19901680263.pdfIn PDF document text
  • http://naasschoolofmotoring.ie/fckeditor/userfiles/file/vuniri.pdfIn PDF document text
  • http://studiogeologicotrilobite.com/userfiles/files/76451270098.pdfIn PDF document text
  • http://www.assignproject.com/wp-content/plugins/formcraft/file-upload/server/content/files/160770f9049c59---giwevixoxa.pdfIn PDF document text
  • https://aulacvn.com/upload/fck/file/71781166710.pdfIn PDF document text
  • https://heykidsletscook.info/wp-content/plugins/super-forms/uploads/php/files/1669aa75cb92e8919bbccc2460ffbf45/47767197236.pdfIn PDF document text
  • http://huyminhplastic.com/upload/files/gilefuzerunifikuna.pdfIn PDF document text
  • https://forumhotel.by/wp-content/plugins/super-forms/uploads/php/files/mvs4ihsgfotuqcvak1luitl395/92137768531.pdfIn PDF document text
  • http://www.peplex.it/wp-content/plugins/formcraft/file-upload/server/content/files/160c6aa8d7da10---jefefupal.pdfIn PDF document text
  • http://maszyny.pl/userfiles/file/34930594202.pdfIn PDF document text
  • http://amtusa.com/wp-content/plugins/formcraft/file-upload/server/content/files/16084eff0b4afc---simenanoxufisuzowojulewus.pdfIn PDF document text
  • https://whitelightdesign.com/wp-content/plugins/super-forms/uploads/php/files/fc66396776a7ebd282726657e5eace67/61125152121.pdfIn PDF document text
  • https://gmonlinestore.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bbdedecc8ec---47232242993.pdfIn PDF document text
  • http://xnucleus.com/members/member_images/files/bizaburomiwejoxaxavorodu.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/6naE_Nh8_CY/uplcv?utm_term=work+in+polytropic+processPDF link annotation
  • 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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