Malicious PDF — malware analysis report

Heuristics 7

• 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.
• 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://smidgel.ru/uplcv?utm_term=jija+sali+romantic+shayari PDF link annotation

  • http://yushendesign.com/images_fck/file/1631159521.pdfIn PDF document text
  • http://honyi.tw/ckfinder/userfiles/file/nexutilamuwo.pdfIn PDF document text
  • https://brigitte-farner.ch/userfiles/files/rirazoxovemasamuxekat.pdfIn PDF document text
  • https://njsolarpower.com/wp-content/plugins/super-forms/uploads/php/files/6aaf87929fb85712427f0b50a3f6ce5a/vitomupox.pdfIn PDF document text
  • http://xn--80akij1ajew.xn--p1ai/wp-content/plugins/formcraft/file-upload/server/content/files/1614419029129c---xusilup.pdfIn PDF document text
  • http://satthachkhe.vn/image/file/91402775427.pdfIn PDF document text
  • http://amindoost.ir/images/upload/files/sopigafofijopo.pdfIn PDF document text
  • http://j1medical.com/uploaded/file/malosalefifo.pdfIn PDF document text
  • http://dalnoboy.org/data/filestorage/upload/files/93929516267.pdfIn PDF document text
  • http://thuexe7cho.vn/upload/files/loduxipagikovulufi.pdfIn PDF document text
  • https://www.asoriofrio.org/ckfinder/userfiles/files/17349340623.pdfIn PDF document text
  • http://smartvoicesys.com/userfiles/55356679510.pdfIn PDF document text
  • https://militarynetwork.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16135f20dadb4a---kaxuveripiguwuxodogi.pdfIn PDF document text
  • http://madmojo.com/fckupload/file/ropexopiduxuwi.pdfIn PDF document text
  • http://espacioschillout.es/images/admin/file/10034280926.pdfIn PDF document text
  • http://www.kevinbrooks.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1614b849a2f079---jiwetuni.pdfIn PDF document text
  • https://www.santaterezinha.com.br/js/ckfinder/userfiles/files/48861471261.pdfIn PDF document text
  • https://mariapolis.net/ckfinder/userfiles/files/10358205135.pdfIn PDF document text
  • https://www.hkha.com.hk/ckfinder/userfiles/files/desotafofegofe.pdfIn PDF document text
  • http://zbirozskepodzamci.cz/userfiles/59924612094.pdfIn PDF document text
  • http://slenderclub.cz/ckfinder/userfiles/files/63014521939.pdfIn PDF document text
  • http://1night2day.com/ckupload/files/vomadulinunuvemasizadi.pdfIn PDF document text
  • http://eduomania.com/wp-content/plugins/formcraft/file-upload/server/content/files/161425c14102fa---fovugaxenekoxogisafa.pdfIn PDF document text
  • http://www.ks-klinika.ru/ckfinder/userfiles/files/wusixulunatub.pdfIn PDF document text
  • https://donnasalon.ru/wp-content/plugins/super-forms/uploads/php/files/5172561de41545670ee957bbbe90f66f/89713802068.pdfIn PDF document text
  • http://seidels-mineralienwelt.de/images/uploaded/file/81974167613.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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