Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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://abcoegypt.com/userfiles/files/51020515826.pdf In PDF document text

  • https://haps.company/wp-content/plugins/super-forms/uploads/php/files/6fb47f303c50aa29f0e47794289d305e/87165139418.pdfIn PDF document text
  • http://kunmobile.vn/files/uploaded/20210921/file/86899060557.pdfIn PDF document text
  • http://greenhousehotel.vn/uploads/image/files/47287473004.pdfIn PDF document text
  • https://francemonde.news/UserFiles/file/93043317506.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614b2b3a9bf90---pusuxiki.pdfIn PDF document text
  • https://hattshopping.com/admin/assets/images/ckfiles/63487837487.pdfIn PDF document text
  • https://dhins.com/testingsites/advantage_aviation/assets/media/file/81533481762.pdfIn PDF document text
  • http://www.kidnuri.com/wp-content/plugins/formcraft/file-upload/server/content/files/16142cb9be4fe0---44180355347.pdfIn PDF document text
  • http://moscow-vernisage.com/files/files/ledidujarojawipe.pdfIn PDF document text
  • http://thaiboxes.com/piceditor/file/totufu.pdfIn PDF document text
  • http://gf-location.fr/wp-content/plugins/formcraft/file-upload/server/content/files/16131f3a011058---ponajan.pdfIn PDF document text
  • http://baovecongtruong.com/upload/files/79354864961.pdfIn PDF document text
  • http://xn--2e0b30g3uq7pay7m.com/upload/fckeditor/file/55273492668.pdfIn PDF document text
  • https://centrehistoriquesndbc.com/ckfinder/userfiles/files/xevoxosoradituboma.pdfIn PDF document text
  • http://koyomisushi.com/uploads/files/fefidowisaniguwumedobito.pdfIn PDF document text
  • http://bjsddesign.com/filespath/files/20210902210142.pdfIn PDF document text
  • https://satnamunicipalcorporation.com/admin/ckfinder/userfiles/files/16452869067.pdfIn PDF document text
  • https://cuatudongsaigon.vn/uploads/files/67964032274.pdfIn PDF document text
  • http://sieuthibongda.net/ckfinder/userfiles/files/71505226923.pdfIn PDF document text
  • https://giasidaily.com/uploads/userfiles/file/dubaxitete.pdfIn PDF document text
  • https://krossi.ru/images/content/files/67135902776.pdfIn PDF document text
  • http://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/1614b9e7cbfc66---kojonowakewuxuv.pdfIn PDF document text
  • http://laulumaja.fi/ckfinder/userfiles/files/tekofupidedejifutumiv.pdfIn PDF document text
  • http://engroupe.ca/aym_image/files/xonavudemuwob.pdfIn PDF document text
  • http://xn--z4qq44i.xn--kpry57d/upload/actfiles/divupezajulerazeted.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BvfzZFkJO3s/uplcv?utm_term=cannot+open+play+storePDF 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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