Malicious PDF — malware analysis report

Heuristics 8

• 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 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://krisoc.ru/uplcv?utm_term=driver+for+android+phone+windows+10 PDF link annotation

  • https://www.guestquesttravelmedia.com/wp-content/plugins/super-forms/uploads/php/files/l2etloe6eo6670dsnni18prb9d/52497974204.pdfIn PDF document text
  • http://www.fattyweng.com.sg/wp-content/plugins/formcraft/file-upload/server/content/files/161399216cf520---xexewujizebawetoku.pdfIn PDF document text
  • http://dezmaster.com/userfiles/file/wukuxibozepevulewim.pdfIn PDF document text
  • http://movitecnic.fr/ressource/site-image/files/43602392025.pdfIn PDF document text
  • http://fgosvo.ru/files/files/96127521259.pdfIn PDF document text
  • http://laibros.com/ckeditor/userfiles/files/lusozitifezokikejojadegil.pdfIn PDF document text
  • http://ksiclubbiz.ksiclub.org/svnprojects/DHD/Source/images/files/2564201781.pdfIn PDF document text
  • https://ddriu.hu/wp-content/plugins/super-forms/uploads/php/files/e539611a780c37370c3bbc5dc0e39476/8034673956.pdfIn PDF document text
  • https://aqualibramontois.be/fckdownload/file/sitemegexeti.pdfIn PDF document text
  • http://skisun.it/userfiles/files/gelawinowefikojera.pdfIn PDF document text
  • http://haphadoor.com/upload/files/25241653.pdfIn PDF document text
  • https://dazhonghua1688.com/ckfinder/userfiles/files/fufubagifisudeworeriku.pdfIn PDF document text
  • https://hefcom-hydraulics.com/ckfinder/userfiles/files/dadukofewexuvi.pdfIn PDF document text
  • https://advicezone.org.uk/wp-content/plugins/super-forms/uploads/php/files/ft5k2u3jkp267dgmrkcqqc52hj/54886362643.pdfIn PDF document text
  • http://dakmet.pl/upload/zidapewixafofusolugaso.pdfIn PDF document text
  • http://meubelenindex.nl/images/uploads/90146367427.pdfIn PDF document text
  • https://www.l-games.jp/js/ckfinder/userfiles/files/8037332510.pdfIn PDF document text
  • https://kayakbranson.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612f8afd985af---52131741375.pdfIn PDF document text
  • https://accesoriosalmayor.com/images/userfiles/file/13588698682.pdfIn PDF document text
  • http://jatechkj.pl/upload/fck/file/bewido.pdfIn PDF document text
  • https://drrajanmahtani.com/userfiles/files/13753430270.pdfIn PDF document text
  • https://formapolis.it/wp-content/plugins/super-forms/uploads/php/files/f849399ba6a0ba09aa55f33000d6a5d9/sezukabubuxogomuzidojikod.pdfIn PDF document text
  • http://s292376414.onlinehome.fr/datas/imgmail/file/vodavupuzamoledimaka.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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