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.
• 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
• 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://cructi.ru/uplcv?utm_term=androzip+pro+apk PDF link annotation

  • http://hamkr.com/userData/board/file/29134258947.pdfIn PDF document text
  • http://s2ipower.com/survey/userfiles/files/24481726981.pdfIn PDF document text
  • https://maxlinder.com/admin/assets/ckfinder/userfiles/files/98908588551.pdfIn PDF document text
  • https://namastehealth.in/wp-content/plugins/super-forms/uploads/php/files/nn0b8bhl6j1fh4nd57mavp7hce/36426711333.pdfIn PDF document text
  • http://gmei.lt/ckfinder/userfiles/files/34322867759.pdfIn PDF document text
  • http://www.vljainandco.com/userfiles/files/30601801331.pdfIn PDF document text
  • http://plenar.hr/wp-content/plugins/formcraft/file-upload/server/content/files/161301266e08ef---zatulej.pdfIn PDF document text
  • https://alaqart.atelierleuthold.ch/userfiles/files/revolaxolobuzopowodu.pdfIn PDF document text
  • http://envigest.cz/upload/file/54168215670.pdfIn PDF document text
  • http://1yunnan.com/ckfinder/userfiles/files/ruberosajobaladixi.pdfIn PDF document text
  • http://dansensvenner.dk/imagesfile///kumofavovabibu.pdfIn PDF document text
  • http://nage-z.com/ckfinder/userfiles/files/jegasorobobegafewo.pdfIn PDF document text
  • https://toppelletmachine.com/d/files/dedib.pdfIn PDF document text
  • http://www.eau-msu.ru/ckfinder/userfiles/files/80394117004.pdfIn PDF document text
  • http://getrade.net/uploadfiles/file/moxenonivokizikiru.pdfIn PDF document text
  • https://teamcode.net/upload/files/67697282521.pdfIn PDF document text
  • https://haps.company/wp-content/plugins/super-forms/uploads/php/files/f9dbcf3a94a20130be838bb6c32a0794/tevilenamevemezupijap.pdfIn PDF document text
  • http://piqiso.ru/userfiles/file/kozibotowenepowapizuzuxed.pdfIn PDF document text
  • http://katour.ru/admin/ckfinder/userfiles/files/roniw.pdfIn PDF document text
  • http://phelieuviethung.vn/upload/files/sozamuxasa.pdfIn PDF document text
  • https://peiitw.com/Upload/ckeditor/files/14208608792.pdfIn PDF document text
  • http://abwessex.com/uploads/files/xepenoliranotatibozodidu.pdfIn PDF document text
  • https://vizzzio.ru/wp-content/plugins/super-forms/uploads/php/files/51a55bdf726ceb728bbd94bdf1eea1a7/92187443359.pdfIn PDF document text
  • http://coolbiotech.com/upload/files/98172791108.pdfIn PDF document text
  • http://reclaimsplus.com/wp-content/plugins/super-forms/uploads/php/files/45fb94dd2ba608ff7e10d42edd2fd120/48111597288.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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