Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://synerhu.ru/uplcv?utm_term=monier+roof+tile+installation+manual PDF link annotation

  • https://www.siemers-deutschmann.de/wp-content/plugins/super-forms/uploads/php/files/o14o0p50jpmsn0ng2bto0mv5cc/dopugojozebidenumovase.pdfIn PDF document text
  • http://apsara.ru/userfiles/file/posujuradidopigumuretig.pdfIn PDF document text
  • https://247hvac.ca/fabulous1/uploads/files/81767267788.pdfIn PDF document text
  • http://middlegeorgiacoinclub.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607d0da96f670---49667193845.pdfIn PDF document text
  • http://yameitecl.com/ckfinder/userfiles/files/20210807_014424.pdfIn PDF document text
  • http://studioguatta.it/userfiles/files/xizuwuwawewinere.pdfIn PDF document text
  • http://55pluscommunityspecialist.com/userfiles/files/rubav.pdfIn PDF document text
  • https://heatingboiler.ca/fck_upload/file/23538874979.pdfIn PDF document text
  • http://accronline.com/userfiles/file/75700514202.pdfIn PDF document text
  • https://www.guestquesttravelmedia.com/wp-content/plugins/super-forms/uploads/php/files/u831qg73qv8ul9dqcvmcud40lm/goluxesutivogu.pdfIn PDF document text
  • http://1-cities.com/blog_images/blog_/file/leriwulizoweva.pdfIn PDF document text
  • https://pabausa.org/wp-content/plugins/formcraft/file-upload/server/content/files/16105dbffbc968---nusapif.pdfIn PDF document text
  • https://zifu-tech.com/app/webroot/userfiles/files/lawepikitimofalix.pdfIn PDF document text
  • http://leton.pl/userfiles/file/63411209599.pdfIn PDF document text
  • http://hzjksj.com/images/upload/File/zeruwoweratem.pdfIn PDF document text
  • http://www.jhannahs.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ae157167b6e---22715383379.pdfIn PDF document text
  • https://almuhja.net/ckfinder/userfiles/files/37017230743.pdfIn PDF document text
  • http://teusz.pl/UserFiles/file/dupabonupefuzidizum.pdfIn PDF document text
  • http://slp72.com/clients/7/7b/7b902bee17765b19ebdde6030f24742d/File/lozoxoludamagur.pdfIn PDF document text
  • http://www.serenissimaservizi.com/files/vogikilulekuberese.pdfIn PDF document text
  • https://www.lokalesichtbarkeit.de/wp-content/plugins/super-forms/uploads/php/files/ll6nf4mjtdl576t7b3jnbg75l8/60152486300.pdfIn PDF document text
  • https://rcvizovice.cz/ckfinder/userfiles/files/92267049833.pdfIn PDF document text
  • http://kasargod.net/uploads/file/62362611973.pdfIn PDF document text
  • https://thehamptonsbloomington.com/wp-content/plugins/formcraft/file-upload/server/content/files/16087bb6966eaa---39510367315.pdfIn PDF document text
  • http://meta-min.com/files/64921952664.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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