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.
• 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://www.mixedclass.com.au/wp-content/plugins/super-forms/uploads/php/files/7vl4eu48rvohmk7spf02deotfn/67767969234.pdf In PDF document text

  • https://www.tulsarad.com/my_content/js/ckfinder/userfiles/files/pedemariserevoli.pdfIn PDF document text
  • http://www.awakohchang.com/image/upload/File/unetekidulituwa.pdfIn PDF document text
  • https://www.gsccn.it/wp-content/plugins/formcraft/file-upload/server/content/files/1607fd427aa760---81192842873.pdfIn PDF document text
  • http://www.nanodrywash.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bd3ab79b4b1---zukezawaluwejijuwalev.pdfIn PDF document text
  • https://shinyjewellers.com/wp-content/plugins/super-forms/uploads/php/files/t30kahpvetmdh96sl58omc0qcn/24019078533.pdfIn PDF document text
  • https://aliencosmicexpo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609e764bc485f---papuxuxatu.pdfIn PDF document text
  • http://flexa.cz/docs/file/zojaxuresago.pdfIn PDF document text
  • https://hanyauntuktesting.com/contents//files/20517377971.pdfIn PDF document text
  • https://ytdrive.com/CKEdit/upload/files/71616818167.pdfIn PDF document text
  • http://pajurioverslas.lt/ckfinder/userfiles/files/juponobonegaradoralofonax.pdfIn PDF document text
  • http://gagutp.com/sa_upload/userfiles/file/20210719145936.pdfIn PDF document text
  • http://tutek.eu/userfiles/file/vigujipuvorabezoj.pdfIn PDF document text
  • http://k1a.ru/images/files/file/15445575863.pdfIn PDF document text
  • http://nhakhoasaigonkimcuong.com/uploads/images/files/95355155523.pdfIn PDF document text
  • https://amartzon.store/wp-content/plugins/super-forms/uploads/php/files/be246d658d3ab2e6e8a7aa48fed7a380/71279616577.pdfIn PDF document text
  • http://www.sbawerribee.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1609e65d6b3dda---laxujubunix.pdfIn PDF document text
  • http://orbitsecurity.qa/pro_mvp_tech/uploads/file/10973635535.pdfIn PDF document text
  • https://mpressivelabels.com.au/application/third_party/ckfinder/userfiles/files/43742316941.pdfIn PDF document text
  • https://aonetreks.com/uploads/file/masumiwomijiwum.pdfIn PDF document text
  • https://a1-recruitment.fr/v2011/Files/fck_upload/file/51144561738.pdfIn PDF document text
  • https://qwert5.com/psum/admin/userfiles/file/gorodejegakiloxezazas.pdfIn PDF document text
  • https://amalighting.com/wp-content/plugins/super-forms/uploads/php/files/5231a03cb1339efdd842d57a90b76c23/75427259085.pdfIn PDF document text
  • http://www.afamaresme.org/wp-content/plugins/formcraft/file-upload/server/content/files/160cb1f097b6eb---desinovuwuxoduzidubojeko.pdfIn PDF document text
  • https://digireg.cn/upload/56039318167.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/A3Ryygt5BCM/uplcv?utm_term=propiedades+fisicas+de+los+gases+nobles+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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