Malicious PDF — malware analysis report

Heuristics 7

• 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.
• 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://cfbadalona.net/ckdata/files/kinivugulu.pdf In PDF document text

  • http://hcm-invoice.vn/hinhanh_fckeditor/file/verifipeser.pdfIn PDF document text
  • http://nek.ua/wp-content/plugins/formcraft/file-upload/server/content/files/161422691bc7da---21728235555.pdfIn PDF document text
  • http://123podkrovie.sk/editor_uploads/files/bobesovowogir.pdfIn PDF document text
  • https://kildevangen.dk/files/kusegepililefepetuw.pdfIn PDF document text
  • https://yarpaket.ru/userfiles/file/soxizuxoginivu.pdfIn PDF document text
  • https://jungleflightchiangmai.jungle-flight.com/Uploads/files/40472379943.pdfIn PDF document text
  • https://zazilha.com.mx/wp-content/plugins/super-forms/uploads/php/files/b0ddcf22f2d1f07fbd9876845c0d9902/89273480099.pdfIn PDF document text
  • https://aquarell.ro/userfiles/file/jifivoweputu.pdfIn PDF document text
  • http://vocal.bpv.su/content/files/files/63809771712.pdfIn PDF document text
  • http://muzycznescyzoryki.pl/userfiles/file/lurew.pdfIn PDF document text
  • http://svarovani-tig.cz/userfiles/file/12358230737.pdfIn PDF document text
  • https://amezdigital.com/wp-content/plugins/super-forms/uploads/php/files/210f0cb14776daba567ef9b9a4df1c43/kureruxep.pdfIn PDF document text
  • https://www.grandiosa.is/wp-content/plugins/super-forms/uploads/php/files/6jmii1qpl89eecshlsqnuh85b5/zezumiwekifas.pdfIn PDF document text
  • https://onsale.social-push.cc/data/fckeditor/files/24546405022.pdfIn PDF document text
  • http://houselandia.ru/files/437500037.pdfIn PDF document text
  • http://akiyastyle.com/app/webroot/js/ckfinder/userfiles/files/jawozulet.pdfIn PDF document text
  • http://wcsps.com.tw/ckfinder/userfiles/files/51957195266.pdfIn PDF document text
  • http://djpress.pl/Image/files/33723130503.pdfIn PDF document text
  • http://burragebrothers.org/demo/jolie/beta/userfiles/files/regigezirutekofokatego.pdfIn PDF document text
  • https://pbchistoryonline.org/uploads/file/45504479929.pdfIn PDF document text
  • https://anyimaker.com/upload/users/files/sogovapuwolojewexeroja.pdfIn PDF document text
  • http://www.photonics-science.com/ckfinder/userfiles/files/32934507063.pdfIn PDF document text
  • https://www.energetisch-therapeut-estie.nl/wp-content/plugins/formcraft/file-upload/server/content/files/161444cae4f385---10015175984.pdfIn PDF document text
  • https://www.spoton.pet/wp-content/plugins/super-forms/uploads/php/files/fmeqq3rbaio870hv83bm814p97/zamipopezej.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1xuhb7AK25c/uplcv?utm_term=download+dungeon+village+apkPDF link annotation
  • https://cakamuzejs.riga.lv/ckfinder/userfiles/files/86618760788.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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