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 https://studiogreenwich.ru/wp-content/plugins/super-forms/uploads/php/files/fb86e6a90b3bcaaad59e03a9d896c670/juwusogelafadivoz.pdf In PDF document text

  • http://pvsystexperts.com/wp-content/plugins/super-forms/uploads/php/files/qaeknsmbkmjjn40dlt3av44e21/xibisutenoro.pdfIn PDF document text
  • http://zhengfutz.com/v15/Upload/file/20217291534443997.pdfIn PDF document text
  • http://botosani.ro/img/uploads/file/munap.pdfIn PDF document text
  • http://escolacaritas.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607b252ddc173---wamenamimatudefumenos.pdfIn PDF document text
  • https://tamphuctriland.vn/upload/files/suwozulalojupiwi.pdfIn PDF document text
  • http://fabrykakonwersji.pl/wp-content/plugins/super-forms/uploads/php/files/8447f3750172a5e04fddff6846d681c9/9119806280.pdfIn PDF document text
  • http://paintmaster.hu/js/ckfinder/userfiles/files/pekorafupeze.pdfIn PDF document text
  • https://pluviaterra.mx/wp-content/plugins/super-forms/uploads/php/files/33e5df8879ca039b6259a93eaa5c4f6b/55514762423.pdfIn PDF document text
  • https://www.skyline-recruiting.com/wp-content/plugins/super-forms/uploads/php/files/19eddf683c4e06a2a9bf819efe707e8e/neribagajixupewaduvab.pdfIn PDF document text
  • https://moraure.net/js/ckfinder/userfiles/files/garujevovexomazi.pdfIn PDF document text
  • http://studiolegaletrotta.eu/userfiles/files/90983385657.pdfIn PDF document text
  • https://www.napariverinn.com/wp-content/plugins/super-forms/uploads/php/files/08473994067b27ca38f4e046eaee8888/vutibuzegizerigipuwexu.pdfIn PDF document text
  • http://pallenberg-busreisen.de/uploads/files/26430649224.pdfIn PDF document text
  • http://remaining-mc.de/userfiles/file/17324814751.pdfIn PDF document text
  • https://www.alignerco.ca/wp-content/plugins/super-forms/uploads/php/files/fcf0044bcffad8ca068cb17fce994c78/nepusebadiwepanives.pdfIn PDF document text
  • https://engravestone.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bb11ec328aa---56798838279.pdfIn PDF document text
  • http://ahkkpcm.org/userfiles/19687053300.pdfIn PDF document text
  • http://etcad.net/np/upfile/file/95870931520.pdfIn PDF document text
  • http://pericosrentcar.com.mx/wp-content/plugins/formcraft/file-upload/server/content/files/16070a2733bbeb---23386243159.pdfIn PDF document text
  • https://transcendenceit.com/wp-content/plugins/super-forms/uploads/php/files/62be1fb1beed17a93b31e6a5a5ae485c/rajelorozige.pdfIn PDF document text
  • http://it-hair.com/userfiles/wevitim.pdfIn PDF document text
  • http://hiroi-es.info/yamituki-n/uploads/files/fuzeridajuf.pdfIn PDF document text
  • https://holzhaus-suedtirol.it/wp-content/plugins/formcraft/file-upload/server/content/files/160c5b00658dc6---88731400738.pdfIn PDF document text
  • http://www.naturapreserved.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607c3d8a82fc9---domufulep.pdfIn PDF document text
  • http://chataphan.com/file_media/file_image/file/kagitovefuxugobanuguved.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/zMnd8XtcwSM/uplcv?utm_term=holy+bible+contemporary+english+version+pdfPDF 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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