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 1 text block(s), carries a click-outward action, and is only 67 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://ketchas.ru/uplcv?utm_term=android+physical+keyboard+settings PDF link annotation

  • https://gk-termopanel.ru/wp-content/plugins/super-forms/uploads/php/files/b32469788c71697acd1242a0da0926b5/5820271254.pdfIn PDF document text
  • http://holidayservicemarsala.it/userfiles/files/29268035377.pdfIn PDF document text
  • https://westcoastmovers.ca/wp-content/plugins/super-forms/uploads/php/files/ttccfedtkma21q8nclqg9o3lj4/11959592209.pdfIn PDF document text
  • http://sreema.org/FCKeditor/file/goweli.pdfIn PDF document text
  • http://canigrup.com/userfiles/file/kezisiwobojimuvisilafefes.pdfIn PDF document text
  • http://aytekinpolatel.com/image/files/sipudevaxe.pdfIn PDF document text
  • https://ketex.com/trcgp/ckfinder/userfiles/files/96979200442.pdfIn PDF document text
  • http://medica-brno.com/files/17375543723.pdfIn PDF document text
  • http://sunnysolutions.it/uploads/assets/file/74851527570.pdfIn PDF document text
  • http://elistaprezentow.pl/userfiles/file/58328587344.pdfIn PDF document text
  • https://ivanda-commerce.hr/userfiles/file/98302842651.pdfIn PDF document text
  • http://itagqatar.zajeltel.com/itag/file/files/tijemevawonus.pdfIn PDF document text
  • https://karapinler.com/calisma2/files/uploads/16603731887.pdfIn PDF document text
  • https://mudraconsultancy.com/uploads/files/87352470565.pdfIn PDF document text
  • https://mepho.hu/ckfinder/userfiles/files/94209091651.pdfIn PDF document text
  • https://webornate.com/viking1/uploads/files/kadufepovegidosure.pdfIn PDF document text
  • http://studiolorenzoni.eu/userfiles/files/lexegu.pdfIn PDF document text
  • http://chpcentre.com/files/file/14041231953.pdfIn PDF document text
  • http://alpanelektrik.com/depo/sayfaresim/file/vonutodolofarugum.pdfIn PDF document text
  • http://songhakbbq.com/uploads/files/86747224301.pdfIn PDF document text
  • https://fo-prefectures.com/pages/files/63453289944.pdfIn PDF document text
  • http://www.psstrecno.sk/wp-content/plugins/formcraft/file-upload/server/content/files/16133958e25e5d---72076197130.pdfIn PDF document text
  • http://webcertain.ca/contentupload/fckeditorUploads/organization_/file/66912715101.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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