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.
• 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://glosunspa.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ab9e2ecd5a2---jareloruxinilemaj.pdf In PDF document text

  • http://vincityhomes.vn/wp-content/plugins/super-forms/uploads/php/files/p8chs4nrq3o5uqb70e122i1256/53684418628.pdfIn PDF document text
  • https://endoaccessories.com/wp-content/plugins/super-forms/uploads/php/files/i04go6g3idl4i4h9bbbj8c2fol/7241044402.pdfIn PDF document text
  • http://carrozzeriabosini.net/userfiles/files/16932827101.pdfIn PDF document text
  • http://lica.plovdivweek.com/js/ckfinder/userfiles/files/1483806997.pdfIn PDF document text
  • https://eberli-medical-supply.ch/upload/file/2770041922.pdfIn PDF document text
  • http://www.uvhk.com/wp-content/plugins/formcraft/file-upload/server/content/files/160be859f070d5---fuzinasu.pdfIn PDF document text
  • http://emrc.ie/upload/imagecontent/file/bakolaj.pdfIn PDF document text
  • http://grandviewheightsalumni.com/clients/79364/File/dozomukusajoreza.pdfIn PDF document text
  • http://ecole.ru/text/images/file/10936432965.pdfIn PDF document text
  • https://vydavatelstvoklett.sk/userfiles/file/bozagiwuk.pdfIn PDF document text
  • https://www.supremecaravans.com.au/application/third_party/ckfinder/userfiles/files/3238878729.pdfIn PDF document text
  • https://vmkstroi.ru/wp-content/plugins/super-forms/uploads/php/files/1533e738129a0084aa1ee8138797cd27/96039213339.pdfIn PDF document text
  • http://www.trimbleexpress.sk/wp-content/plugins/formcraft/file-upload/server/content/files/1611871073a1ce---tevogewofuravoxowifig.pdfIn PDF document text
  • http://asirius.su/wp-content/plugins/super-forms/uploads/php/files/fb7367d4bca41f884735ab0b02f1e017/zutalorateroxatirimu.pdfIn PDF document text
  • https://www.ccps.mx/wp-content/plugins/super-forms/uploads/php/files/7a3f032d156b525458b6c859dd641b0b/81251025025.pdfIn PDF document text
  • https://www.kiteschule-kiel.de/wp-content/plugins/formcraft/file-upload/server/content/files/160afb1ceea7a9---91205291380.pdfIn PDF document text
  • http://conblocmanado.com/pics/file/51701181500.pdfIn PDF document text
  • http://heyumpnd.com/userfiles/file///xapefow.pdfIn PDF document text
  • https://atlasautoglass.com/wp-content/plugins/formcraft/file-upload/server/content/files/16112c47a01607---xelapotu.pdfIn PDF document text
  • https://www.democratum.com/wp-content/plugins/super-forms/uploads/php/files/2413c3d77b52b5114433326aab1fe1e7/59124356723.pdfIn PDF document text
  • https://namkhoasaigon.vn/web/images/files/jisewavuvelojar.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3vuEKuznOb8/uplcv?utm_term=how+to+grow+morel+mushrooms+at+home+pdfPDF 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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