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.
• QR-code redirect lure medium SE_QR_LURE
  Document instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
• 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://infrive.ru/uplcv?utm_term=seeing+wifi+password+on+android PDF link annotation

  • http://djpress.pl/Image/files/dagewasogijexime.pdfIn PDF document text
  • http://smartmedicaleg.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612f77c095ca5---zokevozaj.pdfIn PDF document text
  • http://www.pantonerestauri.com/ckfinder/userfiles/files/78330671653.pdfIn PDF document text
  • https://www.grandeprairie.org/wp-content/plugins/formcraft/file-upload/server/content/files/16130a194d183e---82964133650.pdfIn PDF document text
  • https://backcountryplayground.com/wp-content/plugins/super-forms/uploads/php/files/1e43d16e59dadaea37d35e941f4aad7d/60531193120.pdfIn PDF document text
  • https://aryaayur.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613dcd2ce1594---japijetubuzedez.pdfIn PDF document text
  • https://cylinder96.ru/admin/ckfinder/userfiles/files/pobebokigavofisu.pdfIn PDF document text
  • http://dungcubepgiangtrinh.com/webroot/img/files/81119883779.pdfIn PDF document text
  • http://ipjanah.ir/wp-content/plugins/super-forms/uploads/php/files/7n8ede1s8i5vkrfkqm5cood484/69840795317.pdfIn PDF document text
  • http://optimumnieruchomosci.pl/uploads/userfiles/files/81646663702.pdfIn PDF document text
  • http://ventiliatoriai.lt/js/ckfinder/userfiles/files/65334717943.pdfIn PDF document text
  • https://episcopiaoradiei.ro/files/61226108556.pdfIn PDF document text
  • https://thailonghoang.vn/upload/files/zibidalosikopabas.pdfIn PDF document text
  • http://mamnonsaokhue.vn/app/webroot/files/ckfinder/files/gufotijujelimeladapudasat.pdfIn PDF document text
  • http://massimobertoarchitetto.com/userfiles/files/xixilik.pdfIn PDF document text
  • http://romengo.com/ckfinder/userfiles/files/38541893441.pdfIn PDF document text
  • http://musicpark-live.de/userfiles/file/daweperijisigebikikemo.pdfIn PDF document text
  • http://ngor2-3.com/file_media/file_image/file/83058023118.pdfIn PDF document text
  • http://homeopathyhongkong.org/files/fokuvonufutujuf.pdfIn PDF document text
  • https://sudhirsachdevaclasses.com/ci/userfiles/files/98859726159.pdfIn PDF document text
  • http://harlit.com/ckfinder/userfiles/files/20210908_093826.pdfIn PDF document text
  • https://blogsma.com/files/tifinegapabopozonoxipu.pdfIn PDF document text
  • http://goodlife88.com/uploads/files/vimasetumaz.pdfIn PDF document text
  • http://netmutum.com/userfiles/file/bebubu.pdfIn PDF document text
  • http://s292376414.onlinehome.fr/datas/imgmail/file/5325922025.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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