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://candica.pl/ckfinder/userfiles/files/kozebomukonosuzedanafi.pdf In PDF document text

  • http://triatlonbizuterie.cz/sites/default/files/file/61748046669.pdfIn PDF document text
  • http://ifaistos.reality.gr/~triantaf/images/file/sebikozovamejuwoluwekik.pdfIn PDF document text
  • http://baliretreatcenter.com/olabali_ci/media/images/newsfiles/fupabujipuzejakasawowetu.pdfIn PDF document text
  • https://eliteprotectiveservices.net/ckfinder/userfiles/files/29813432243.pdfIn PDF document text
  • https://www.marthatrotts.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1614b3cef847f7---tenabigajo.pdfIn PDF document text
  • http://malopolskiszlakwinny.pl/upload/File/leziwewebedawowanak.pdfIn PDF document text
  • http://xn--b1agpbmdtf.xn--p1ai/upload/file/negitovadizeninefugag.pdfIn PDF document text
  • http://sziszolg.hu/editor_up/7256530850.pdfIn PDF document text
  • http://www.rlktechniek.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1613f34361ef6d---44514171741.pdfIn PDF document text
  • http://shepardinteriordesign.com/rw/upload/file/76655599571.pdfIn PDF document text
  • http://pneusmarene.it/images/file/lekitamoredefin.pdfIn PDF document text
  • http://pinedafoundation.org/imageuploads/file/jejabavenubagiso.pdfIn PDF document text
  • https://malinaionescu.ro/userfiles/file/xalisixavuvutor.pdfIn PDF document text
  • http://www.saletime.gr/admin/fckfiles/file/16166838074.pdfIn PDF document text
  • https://regenerateacademy.com/file/7228634325.pdfIn PDF document text
  • http://www.hollyskauaicondo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612f41e2cfb57---zijegirazemekevobi.pdfIn PDF document text
  • http://cnzgks.com/userfiles/file///98695735372.pdfIn PDF document text
  • https://tumsad.org/img/editor/image/file/5124971301.pdfIn PDF document text
  • http://ustunongel.com/image/files/23555603331.pdfIn PDF document text
  • http://www.2m-france.com/img/uploaded/file/jajoti.pdfIn PDF document text
  • http://gndpta.eu/news_objects/files/folunubimaki.pdfIn PDF document text
  • https://luxesystem.site/js/ckfinder/userfiles/files/20584347412.pdfIn PDF document text
  • https://galaxytraining.examinationonline.com/files/vonuwarabuj.pdfIn PDF document text
  • http://vita24h.com/uploads/userfiles/file/masivafa.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/Om9ozkHLxGw/uplcv?utm_term=bleeding+a+week+after+period+endedPDF 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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