Malicious PDF — malware analysis report

Heuristics 8

• 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
• 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://home18.ru/wp-content/plugins/super-forms/uploads/php/files/b7a7184e466ce27e4c12c50b8c9966a4/jotupimuzojobo.pdf In PDF document text

  • http://thietbiotovn.com/Images_upload/files/lufivapog.pdfIn PDF document text
  • https://www.hit-education.com/wp-content/plugins/super-forms/uploads/php/files/e1jl8c56m3b9g0n9ubkt6oqj44/83993319151.pdfIn PDF document text
  • http://www.multigacos.com/admin/uploaded/fck/file/tusasonadusevawug.pdfIn PDF document text
  • https://coimbatorepressclub.com/FCKeditor/userfiles/file/fasorodit.pdfIn PDF document text
  • http://otohyundaidanang.com/uploads/image/files/71371816896.pdfIn PDF document text
  • http://slsnn.ru/content/files/83668407047.pdfIn PDF document text
  • https://thefertilizerequipment.com/d/files/firawanikopevokowawif.pdfIn PDF document text
  • https://fullprotec.com/ckfinder/userfiles/files/36463201183.pdfIn PDF document text
  • https://digireg.cz/upload/99929761146.pdfIn PDF document text
  • http://regcureguide.com/files/files/temun.pdfIn PDF document text
  • http://daimarconstrucciones.com/images/admin/file/56328124816.pdfIn PDF document text
  • http://dailymaytrogiang.com/userfiles/files/61686107834.pdfIn PDF document text
  • http://lica.plovdivweek.com/js/ckfinder/userfiles/files/15961337880.pdfIn PDF document text
  • http://sushiosushi.com/uploads/files/razofuxazamebenut.pdfIn PDF document text
  • http://brucemayrockinstitute.com/assets/ckfinder/core/connector/php/uploads/files/widolijegitowuxu.pdfIn PDF document text
  • http://paintingservicesonline.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1613c34ca9b5bc---kosolodewapevodopowile.pdfIn PDF document text
  • http://shahnawazonline.com/uploads/files/68681084742.pdfIn PDF document text
  • http://33podarka.ru/pictures/files/tikital.pdfIn PDF document text
  • http://cameradungphat.com/uploads/files/54768880890.pdfIn PDF document text
  • http://travelspace.pl/userfiles/file/wukeme.pdfIn PDF document text
  • http://uekekb.ru/!upload/files/wobaginifak.pdfIn PDF document text
  • http://xn--b1akwe.xn--p1ai/userfiles/file/besokutoxonerubeva.pdfIn PDF document text
  • http://doubler-son-capital.com/photos/files/minagogewovowewu.pdfIn PDF document text
  • https://www.burit.net/wp-content/plugins/formcraft/file-upload/server/content/files/161344d3a1cebe---51932955477.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/zMnd8XtcwSM/uplcv?utm_term=qr+code+beyblade+burst+achilles+a5PDF link annotation
  • 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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