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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://archism.ru/uplcv?utm_term=rrb+group+d+2018+paper+pdf+download PDF link annotation

  • http://www.nandomoraes.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1611e5e4a778eb---37231844279.pdfIn PDF document text
  • https://sv-fin.ru/wp-content/plugins/super-forms/uploads/php/files/d06e1cab94881b62549a75cc56346cc9/tenixaramutiletesole.pdfIn PDF document text
  • http://www.fsnn.se/wp-content/plugins/formcraft/file-upload/server/content/files/1608480c505fc1---nizubunixizonuw.pdfIn PDF document text
  • https://www.nestroots.com/wp-content/plugins/super-forms/uploads/php/files/5dglhq44jboul7s9pu6mfl0pg0/89488584478.pdfIn PDF document text
  • https://dsodrecital.com/wp-content/plugins/formcraft/file-upload/server/content/files/1610faffb36db6---92305864770.pdfIn PDF document text
  • http://mgocsm.in/userfiles/file/27732831355.pdfIn PDF document text
  • http://automsystem.com/UploadFile/file/20210516033102272.pdfIn PDF document text
  • https://adbadog.com/wp-content/plugins/super-forms/uploads/php/files/9dacc7a831962d320bddbf0d31994e26/xemaxukud.pdfIn PDF document text
  • http://mclarenquartz.in/ci/userfiles/files/jewigikazodagotekuziro.pdfIn PDF document text
  • http://alpha-th.com/userfiles/file/rapexa.pdfIn PDF document text
  • https://directprocessors.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c45d7a53772---93943538060.pdfIn PDF document text
  • https://gauravkankariya.com/wp-content/plugins/super-forms/uploads/php/files/94hfan6fn5fh2pb949f9l3sn64/32457525630.pdfIn PDF document text
  • https://rosycaffe.com/file/jakeneguviwu.pdfIn PDF document text
  • http://alohatoypoodles.com/clients/1/11/1122824db0f83c9e74cf39311881f217/File/penerivebafezunidakapotuj.pdfIn PDF document text
  • http://lifestyleufa.ru/wp-content/plugins/super-forms/uploads/php/files/2da3db8c749a635560292b6dea9de81a/zijagonaxeguw.pdfIn PDF document text
  • https://lightspec.ca/wp-content/plugins/super-forms/uploads/php/files/0eafd610bb584d78633f0af76b65defc/30044210782.pdfIn PDF document text
  • http://yuha.be/_files/file/bozutorodavisisepe.pdfIn PDF document text
  • https://www.hauptsache.cc/wp-content/plugins/formcraft/file-upload/server/content/files/16073aa13725dd---lezawotofetubap.pdfIn PDF document text
  • http://zonwering-belgie.com/ckfinder/userfiles/files/96129732443.pdfIn PDF document text
  • http://phillipsbricksalumni.com/clients/56168/File/62974621446.pdfIn PDF document text
  • http://praconsulgroup.ru/pict/file/99621433016.pdfIn PDF document text
  • https://huanghecables.com/d/files/56611982159.pdfIn PDF document text
  • http://bielwod.com/userfiles/file/93520465077.pdfIn PDF document text
  • http://canigrup.com/userfiles/file/fixefanekezubulimabono.pdfIn PDF document text
  • http://anapro.com/ckfinder/userfiles/files/pazasufumurowe.pdfIn PDF document text
  • https://broadcasthub.com/ci/userfiles/files/81944201915.pdfIn PDF document text
  • https://brunoamaranti.it/wp-content/plugins/super-forms/uploads/php/files/25boqaiv838ehh5294tirvhom2/31816080489.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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