Malicious PDF — malware analysis report

Heuristics 9

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LURE
  PDF has 1 image(s), only 0 text block(s), carries a click-outward action, and is only 69 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
• 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.
• Callback phishing phone lure medium SE_CALLBACK_LURE
  Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
• 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://huntic.ru/uplcv?utm_term=easter+calendar+next+100+years PDF link annotation

  • https://internationalmedia.com/userfiles/file/govipas.pdfIn PDF document text
  • http://www.realisthotel.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613292fa2956d---80437250455.pdfIn PDF document text
  • https://sandalyecenneti.com/wp-content/plugins/super-forms/uploads/php/files/e8cl6dik46l1aceu591ger4nu9/41633065614.pdfIn PDF document text
  • https://unicorn.mn/js/ckfinder/userfiles/files/fowubobobor.pdfIn PDF document text
  • http://www.linkkorea.co.kr/wp-content/plugins/formcraft/file-upload/server/content/files/1614ad7aeedcf6---1998263382.pdfIn PDF document text
  • https://triptoboloyfoundation.org/editorsfiles/files/noterevunelosijanalo.pdfIn PDF document text
  • https://curvy.tw/upload/files/35457976357.pdfIn PDF document text
  • http://pretaporter-pegah.com/userfiles/file/38426964145.pdfIn PDF document text
  • http://dermalab.pl/userfiles/file/76126188147.pdfIn PDF document text
  • https://rh-h1tapi-turbo.com/contents/files/62584281695.pdfIn PDF document text
  • http://xn--9w3b270a7kf.kr/ckfinder/userfiles/files/vibokovifefut.pdfIn PDF document text
  • http://gasthaus-steinkirchen.de/img/editor/file/4032951140.pdfIn PDF document text
  • https://bearings.vn/images/ckeditor/files/mituvudobomaguw.pdfIn PDF document text
  • https://www.shropshirefurniture.co.uk/admin/ckfinder/userfiles/files/benuk.pdfIn PDF document text
  • http://erfolgsapp.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613d16da66a41---sisula.pdfIn PDF document text
  • https://ingatlansos.hu/images/userfiles/file/sugelasumobonaxufatub.pdfIn PDF document text
  • http://principessavencanice.com/wp-content/plugins/formcraft/file-upload/server/content/files/16143343c000bf---lomizuwajebabavoroxat.pdfIn PDF document text
  • https://www.burnat-provins.ch/ck/ckfinder/userfiles/files/43474383128.pdfIn PDF document text
  • https://carlojans.com/cms/file/35678850919.pdfIn PDF document text
  • https://rakowka.pl/userfiles/file/17421620106.pdfIn PDF document text
  • https://bbox.ru/images/shared/file/patisizavajijasawiz.pdfIn PDF document text
  • http://yuilchem.com/userData/board/file/kuvofe.pdfIn PDF document text
  • https://soudurelausiere.ca/upload/editor/file/nedugamu.pdfIn PDF document text
  • https://aljazeerahdrilling.com/userfiles/files/32173964555.pdfIn PDF document text
  • https://watosaphotography.com/app/webroot/userfiles/files/20210911_094509.pdfIn PDF document text
  • http://exoticland.bg/upload/files/files/20353261192.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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