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
• Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LURE
  PDF has 1 image(s), only 0 text block(s), carries a click-outward action, and is only 69 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
• 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://coretry.ru/uplcv?utm_term=tubidy+io+mp3+download+songs+2020 PDF link annotation

  • https://www.formwork.co.uk/wp-content/plugins/super-forms/uploads/php/files/j5ou7qhf2ej9j6tu9vsj6pi747/4680459741.pdfIn PDF document text
  • http://vytvarnyobchod.cz/UserFiles/File/47244064125.pdfIn PDF document text
  • https://almuhja.net/ckfinder/userfiles/files/wijivexuruwipara.pdfIn PDF document text
  • http://suachuadienlanhhoaphat.com/hinhanh_fckeditor/file/49786664328.pdfIn PDF document text
  • https://postelezmasivu-liberec.cz/ckfinder/userfiles/files/muwakojadarotela.pdfIn PDF document text
  • http://floridadressyourhome.com/uploaded_files/userfiles/files/zenomapedajimebavofexudi.pdfIn PDF document text
  • http://automyjka.pl/automyjka.pl/userfiles/file/sifipulibanoxebudosokek.pdfIn PDF document text
  • http://sieckultury.pl/wp-content/plugins/super-forms/uploads/php/files/43fef3fcd72e626cb8ad7a89a3aebfa1/gulubibaxevexapotoxeba.pdfIn PDF document text
  • http://alrehabourhome.com/userfiles/files/39624974596.pdfIn PDF document text
  • https://maharajganjtimes.com/assets/ckfinder/core/connector/php/uploads/files/jogilakofupunalevikilake.pdfIn PDF document text
  • https://wolfgang-photography.com/userfiles/files/nafitena.pdfIn PDF document text
  • http://bresky.cz/res/file/66632834875.pdfIn PDF document text
  • http://naszymsladem.pl/upload/file/rasukusutifugubusalalaroj.pdfIn PDF document text
  • http://queuemanagementsystems.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613912e2c0225---zogikililupuwuditi.pdfIn PDF document text
  • http://avision-italia.com/userfiles/files/vuwuxebelaralob.pdfIn PDF document text
  • http://rockhousemethod.com/ckfinder/userfiles/files/kofuredevuvikumesasa.pdfIn PDF document text
  • http://9meclinic.com/ckfinder/userfiles/files/mopagederivofujikozax.pdfIn PDF document text
  • http://traditionsradio.com/wp-content/plugins/super-forms/uploads/php/files/50cfce5a4005486a2098c57d6c8cd57c/situzuxumokuselub.pdfIn PDF document text
  • http://nhatrangpalace.net/app/webroot/upload/files/vajomutitisipizewasito.pdfIn PDF document text
  • https://gikguamerica.com/userfiles/file/1699583235.pdfIn PDF document text
  • http://synphabase.ch/upload/file/97265920634.pdfIn PDF document text
  • http://dentalcenterstudio.it/userfiles/files/9377621783.pdfIn PDF document text
  • http://magendans.com/imagefiles/file/76208813794.pdfIn PDF document text
  • http://ideal-site.ru/userfiles/file/rimosotolavudanax.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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