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
• 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.
• Urgency / deadline lure low SE_URGENCY_LURE
  Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
• 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://brylka-kfz.de/wp-content/plugins/formcraft/file-upload/server/content/files/160c686a360690---42990343431.pdf In PDF document text

  • https://trucraftsmanship.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607e912fd790f---40900622563.pdfIn PDF document text
  • https://gagiongvitgiong.com/ckfinder/userfiles/files/84057948948.pdfIn PDF document text
  • https://amblamy.ee/upload/file/97217406783.pdfIn PDF document text
  • http://www.olympussverige.se/wp-content/plugins/super-forms/uploads/php/files/jer85khl98cfn0n6rc5ha6l7u9/fapalosezesidizot.pdfIn PDF document text
  • http://vasset.bg/userfiles/file/46369797945.pdfIn PDF document text
  • https://accesoriosalmayor.com/images/userfiles/file/96577086372.pdfIn PDF document text
  • http://xn--90ad5ackt1d.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/d4a07c278b1b7a35b91b80b4bb50ab41/leveguxebogutapow.pdfIn PDF document text
  • http://zubrcup.by/files/files/temananexarekeg.pdfIn PDF document text
  • http://okeefesreef.com/ckfinder/userfiles/files/bebezizanesita.pdfIn PDF document text
  • https://zahnersatz.pl/userfiles/files/80309949719.pdfIn PDF document text
  • http://urbanconstructions.org/images/uploadedimages/file/59740368680.pdfIn PDF document text
  • https://dodatnagarancija.com/userfiles/file/896998635.pdfIn PDF document text
  • http://czdashan.cn/uploadfile/file/2021070122490073499.pdfIn PDF document text
  • https://www.beadvised.co.uk/wp-content/plugins/super-forms/uploads/php/files/b9a1a1b34646adbc5bd2cc948efaa023/53153909334.pdfIn PDF document text
  • http://www.etoiles-recrutement.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f99d6d21cff---13654520473.pdfIn PDF document text
  • https://laetitiabernard.fr/images/file/61351192173.pdfIn PDF document text
  • http://zadonskiy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1607fb442b0633---45004529396.pdfIn PDF document text
  • http://expresskaliski.info/file/11166005022.pdfIn PDF document text
  • http://www.fliesen-brill.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a61f324cc79---97251639050.pdfIn PDF document text
  • http://jawarakreasi.com/file/tinuxagadate.pdfIn PDF document text
  • http://www.timtransportes.com/home/wp-content/plugins/formcraft/file-upload/server/content/files/16082542d3ce61---kizoziji.pdfIn PDF document text
  • https://heykidsletscook.info/wp-content/plugins/super-forms/uploads/php/files/bb23af957d631cbf76d357d6bb502fd8/87681043408.pdfIn PDF document text
  • http://w3-japan.com/js/upload/files/65607967226.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/ngfLrbzwjls/uplcv?utm_term=objective+questions+on+computer+fundamentals+with+answers+pdfPDF link annotation
  • https://lapdonline.org/file/73271694660.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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