Malicious PDF — malware analysis report

Heuristics 8

• 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.
• 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=friv+robber+game PDF link annotation

  • https://wanna-drive.nl/files/File/79951639682.pdfIn PDF document text
  • https://littleitalypizzany.com/nbloom/fckuploads/file/lobijebilosowuvutujimure.pdfIn PDF document text
  • http://morard-mcf.fr/data/Files/64797236135.pdfIn PDF document text
  • https://sunriseinnjasper.com/nbloom/fckuploads/file/58821442967.pdfIn PDF document text
  • http://thesnowmanicecream.com/ckfinder/userfiles/files/52592618618.pdfIn PDF document text
  • https://turbooto.vn/upload/files/8393801769.pdfIn PDF document text
  • http://duquenne-moteurs.fr/webroot/upload/files/gemuwuwimejorarejegu.pdfIn PDF document text
  • http://fli.edu.mn/ckfinder/userfiles/files/sugetafebepeta.pdfIn PDF document text
  • http://le-bouquet.be/userfiles/files/26875627196.pdfIn PDF document text
  • https://tarzminder.com/resimler/files/wowinojijalinokowileg.pdfIn PDF document text
  • http://privateeducation.sg/verzsape/demo/upload/admin/files/xumuwulozidafon.pdfIn PDF document text
  • http://floridadressyourhome.com/uploaded_files/userfiles/files/fifibokawuwavonajifuriv.pdfIn PDF document text
  • http://marinapogon.pl/upload/file/2756097561.pdfIn PDF document text
  • http://energcomb.net/cms_enercomb/sgi_userfiles/userfiles/files/47006415111.pdfIn PDF document text
  • http://portofmiamitunnel.com/system/js/back/ckfinder/userfiles/files/lerukikor.pdfIn PDF document text
  • http://abwrosedale.com/uploads/files/zoselenigokokelinido.pdfIn PDF document text
  • https://www.syah.org/wp-content/plugins/super-forms/uploads/php/files/352dbf2504e313d5cbf30835b4eef8a2/zoxadebosavud.pdfIn PDF document text
  • http://www.cuerpomenteyespiritu.es/wp-content/plugins/formcraft/file-upload/server/content/files/16139aa1f6a581---fejubisujovitabun.pdfIn PDF document text
  • http://conblocmanado.com/pics/file/jixudatatigerojem.pdfIn PDF document text
  • http://gldbirdgel.com/user_img/files/42379073280.pdfIn PDF document text
  • http://audiomaster.se/wp-content/plugins/formcraft/file-upload/server/content/files/161333273e7ac7---69622699277.pdfIn PDF document text
  • http://tucholainfo.pl/userfiles/file/36667670818.pdfIn PDF document text
  • http://kusistoconstruction.com/userfiles/file/fagenod.pdfIn PDF document text
  • https://butagallery.com/userfiles/files/satotekemupipep.pdfIn PDF document text
  • http://jingyilin.org/uploads/file/gojajojomozumesa.pdfIn PDF document text
  • https://reazfarah.com/ckfinder/userfiles/files/sesokesax.pdfIn PDF document text
  • http://denprokhorov.ru/images/file/vasep.pdfIn PDF document text
  • http://hoaisonland.vn/upload/files/95327858629.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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