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
• Clickable URI points to raw IP address medium PDF_URI_IP_LITERAL
  PDF contains a clickable HTTP(S) action whose host is a literal IPv4 address. Legitimate documents normally link to named domains; raw-IP destinations are common in disposable phishing and malware-delivery infrastructure.
• 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://pistant.ru/uplcv?utm_term=ha+tunnel+ios PDF link annotation

  • https://thriveelearning.com/wp-content/plugins/super-forms/uploads/php/files/f9b4d36ed2f223b3056686c748b2ab9d/53034375585.pdfIn PDF document text
  • http://gddfboiler.com/uploads/files/10179636261.pdfIn PDF document text
  • http://kelt.pl/userfiles/file/bipukubanatod.pdfIn PDF document text
  • https://www.ciabrini-immobilier.com/wp-content/plugins/super-forms/uploads/php/files/r0p6qnfkr8e6tl5vf8gsq4cde4/setemakariwabamek.pdfIn PDF document text
  • https://rugsinc.in/UserFiles/files/xinomowotu.pdfIn PDF document text
  • http://cdmvt.cz/sites/default/files/39403207594.pdfIn PDF document text
  • http://parfumland.sk/upl/sadodiwas.pdfIn PDF document text
  • https://rosewoodcity.org/nbloom/fckuploads/file/68236078178.pdfIn PDF document text
  • http://hoteldanang.com/uploads/images/files/70593911425.pdfIn PDF document text
  • http://le-lemniscus-incandescent.fr/ckeditor/upload/files/burefuripokadake.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16143fa0c10d7f---lajozotalufegujasojizupa.pdfIn PDF document text
  • http://104.156.58.56/~web2inbox/wp-content/plugins/formcraft/file-upload/server/content/files/16145d6cd4db9f---dezujowo.pdfPDF link annotation
  • https://wholisticvibrations.com/wp-content/plugins/super-forms/uploads/php/files/5dbd97331e205e1be44995ba9df4c09d/peduja.pdfIn PDF document text
  • https://zabulgaria.org/userfiles/file/nuxefoxepaxoroxib.pdfIn PDF document text
  • http://xn--80aer5aza.xn---42-5cdakyymnnb9ake1az.xn--p1ai/ckfinder/userfiles/files/paxaxotefukapuxilokabi.pdfIn PDF document text
  • http://www.carolglassman.com/wp-content/plugins/formcraft/file-upload/server/content/files/161369d6c18f2b---52136619990.pdfIn PDF document text
  • http://scandinavia-ex.com/images/blog/file/furedotanofuborolororuga.pdfIn PDF document text
  • http://pcwenhua.com/uploadimg/file/1631163036459858261.pdfIn PDF document text
  • http://2ds-creations.fr/userfiles/file/15909556509.pdfIn PDF document text
  • http://teraval.cz/res/file/24521485902.pdfIn PDF document text
  • https://z87992961.com/upload/files/20210907150359.pdfIn PDF document text
  • http://friend5190.xyz/js/ckfinder/userfiles/files/8258502587.pdfIn PDF document text
  • http://studioingegneramato.com/userfiles/files/pidewuzegosavipi.pdfIn PDF document text
  • http://synthecinter.com/userfiles/files/7495333402.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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