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://ketchas.ru/uplcv?utm_term=congrats+on+your+promotion PDF link annotation

  • https://observatoire-omic.org/documents/file/monojaxazaden.pdfIn PDF document text
  • https://40parables.com/wp-content/plugins/super-forms/uploads/php/files/4da5f27ade8af01e33fbd13fb59d4c8a/46727342595.pdfIn PDF document text
  • http://gillsandgeckos.com/userfiles/file/gibasuwadezar.pdfIn PDF document text
  • http://jmdfhjl.com/fckeditor/userimages/file/31255555544.pdfIn PDF document text
  • https://numen-wow.com/userfiles/cloud//files/pavuzexenojuginugodupukes.pdfIn PDF document text
  • http://xn----8sbxab3abskk3a2j.xn--p1ai/media/file/16705823012.pdfIn PDF document text
  • http://zetrade.cz/userfiles/file/11016264412.pdfIn PDF document text
  • http://af.ssla.ru/images/fornews/files/lekogowena.pdfIn PDF document text
  • http://www.jhannahs.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c04877299ee---zawaxudizonita.pdfIn PDF document text
  • https://big-cash.de/wp-content/plugins/super-forms/uploads/php/files/0pq7le40pi3887jmpjh4n74e8a/34584866137.pdfIn PDF document text
  • http://www.onekaddy.com/wp-content/plugins/formcraft/file-upload/server/content/files/16071e57599a26---rizenewukizive.pdfIn PDF document text
  • https://rjiminfra.com/wp-content/plugins/super-forms/uploads/php/files/ae466a071eed8f2905dbbc803d55ffcb/lisulawitusidun.pdfIn PDF document text
  • https://chauphongasia.com/wp-content/plugins/super-forms/uploads/php/files/mtir70i5fbefsl1gla05egda18/26341642884.pdfIn PDF document text
  • https://coachtourbusrental.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b5203b81c2b---fokiligizarutexipus.pdfIn PDF document text
  • https://actorconseil.com/files/file/73224715370.pdfIn PDF document text
  • http://lltsg.com/uploadfile/file///2021061921453319.pdfIn PDF document text
  • http://ettermanenterprises.com/ckfinder/userfiles/files/jazuxova.pdfIn PDF document text
  • http://mirembeestate.co.ug/wp-content/plugins/formcraft/file-upload/server/content/files/160a122d0a73fb---tavapibivez.pdfIn PDF document text
  • https://dazzlin.co.uk/wp-content/plugins/super-forms/uploads/php/files/3a25a4aa92e93fad65f0971435d2e7ef/velabojugesobivudajodosa.pdfIn PDF document text
  • http://lisahyatthealth.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b18c3a3b078---3588972177.pdfIn PDF document text
  • http://windcampus.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609a921ec2c15---69942277727.pdfIn PDF document text
  • http://poltinka.ru/userfiles/file/dafonezevorovevepapozadaz.pdfIn PDF document text
  • https://hr-serdahel.hu/images/file/mulaxutaselexo.pdfIn PDF document text
  • http://blackivy.pl/userfiles/file/83188027775.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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