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
• Malformed active-content stream length medium PDF_MALFORMED_EXPLOIT_STREAM_LENGTH
  A PDF stream that carries active/exploit-looking content has a declared /Length that does not match the recovered stream body. Malformed stream boundaries and length mismatches are common parser-evasion/supporting evidence around Reader exploit streams.
• 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://thriveelearning.com/wp-content/plugins/super-forms/uploads/php/files/09a15e2f22f18b131924cb599b91a30d/43731198403.pdf In PDF document text

  • https://ltssinternational.com/res/wysiwyg/file/80506906351.pdfIn PDF document text
  • https://rosycaffe.com/file/79282678230.pdfIn PDF document text
  • http://soles2walk.cz/data/file/67007922144.pdfIn PDF document text
  • http://krzeptowski.pl/file/30595781046.pdfIn PDF document text
  • http://giaoducvietnamtv.com/images/ckeditor/files/kurokebinom.pdfIn PDF document text
  • https://tecsal.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160c96352bdd11---46126470293.pdfIn PDF document text
  • https://apoiotelecom.com/imagens/img_fckeditor/file/8310476751.pdfIn PDF document text
  • https://e-lightingcontrols.com/wp-content/plugins/super-forms/uploads/php/files/a637ad25f10761a025e54a8dc73dcfc3/37970086865.pdfIn PDF document text
  • http://studioassociatoemc.com/userfiles/files/pazudobiwiserad.pdfIn PDF document text
  • https://www.sacproblemleri.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c1b18493784---29723748824.pdfIn PDF document text
  • http://rocincorporated.com/domain.com/images/dynamic_pages/file/98417487912.pdfIn PDF document text
  • https://almoheetmanpower.com/public_html/userfiles/file/pojado.pdfIn PDF document text
  • http://verkoop-je-wagen.be/wp-content/plugins/formcraft/file-upload/server/content/files/16072afc95f157---zadinupizimuwesawo.pdfIn PDF document text
  • https://matrainagycsalados.hu/userfiles/file/lulajukawonaturala.pdfIn PDF document text
  • https://t2sc.me/userfiles/86763662525.pdfIn PDF document text
  • http://tuanlongland.com/upload/files/gigadatijata.pdfIn PDF document text
  • https://www.siemers-deutschmann.de/wp-content/plugins/super-forms/uploads/php/files/td3mkvu1emko77r2nvub1h3agi/desutodapas.pdfIn PDF document text
  • http://wypelnienia.kratex.pl/wp-content/plugins/super-forms/uploads/php/files/8b0a5459cb73ab149e9fa27ab4a854ea/fenanipas.pdfIn PDF document text
  • http://hillsdalehorseboarding.com/ckfinder/userfiles/files/53726235952.pdfIn PDF document text
  • http://diclenakliyat.com/userfiles/file/torof.pdfIn PDF document text
  • http://tourbusan.net/FileData/ckfinder/files/20210610_F93BF06E72E8B45D.pdfIn PDF document text
  • https://binarbaidrealestate.com/public_html/userfiles/file/wopijagavuxota.pdfIn PDF document text
  • http://www.onekaddy.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b0f0a75ae25---54690105510.pdfIn PDF document text
  • https://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/1609d9d8b386b5---wadodupiborejovi.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/PmAiG5ZyT-k/uplcv?utm_term=irony+definition+for+kidsPDF 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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