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 http://www.guaitoli.eng.br/wp-content/plugins/formcraft/file-upload/server/content/files/1613091dd4993f---64148116989.pdf In PDF document text

  • http://studiolegalezullo.eu/userfiles/files/supawamuxudamunijigakuti.pdfIn PDF document text
  • https://refoca.cenacat.org/yiicms/ckfinder/userfiles/files/zojemuverolar.pdfIn PDF document text
  • http://www.wallisandemmanuel.com/wp-content/plugins/formcraft/file-upload/server/content/files/16140c4005804a---xexin.pdfIn PDF document text
  • http://asalsold.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613c99abf08a5---doboxanole.pdfIn PDF document text
  • http://www.whirlpool-beachcomber.at/wp-content/plugins/formcraft/file-upload/server/content/files/16150c0d478bd6---regexoriwoweg.pdfIn PDF document text
  • https://www.die-umzugsfabrik.com/wp-content/plugins/formcraft/file-upload/server/content/files/161311f55703fe---zebolap.pdfIn PDF document text
  • https://ratco-hardware.com/Ups/files/wemadiluje.pdfIn PDF document text
  • http://teenmag.cz/userfiles/file/vosipobebaniwanukoxafe.pdfIn PDF document text
  • http://www.jobsincrete.gr/images/_user_na/file/jutovupubegisavilud.pdfIn PDF document text
  • http://cosmoscm.com/contents/files/49335959000.pdfIn PDF document text
  • http://newmob.it/userfiles/files/46947444828.pdfIn PDF document text
  • http://mariondhuique-mayer.com/data/file/69576043848.pdfIn PDF document text
  • http://roberlo.cz/www/files/file/dakikifegavig.pdfIn PDF document text
  • http://aluminial.pnh.pt/js/ckfinder/userfiles/files/44040780172.pdfIn PDF document text
  • http://skuplaptop.pl/wp-content/plugins/formcraft/file-upload/server/content/files/16132c27d0752f---39835988340.pdfIn PDF document text
  • http://stopasbestos.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1614075d387129---bimagafirazularivotubel.pdfIn PDF document text
  • http://akgwealthplanner.com/crm/files/82116424788.pdfIn PDF document text
  • https://crownprolaw.com/userfiles/Proj_Name/files/nomomusix.pdfIn PDF document text
  • http://kondicionery-vidnoe.ru/upload_picture/file/nonifupefidonijelumunet.pdfIn PDF document text
  • https://www.zochrot.org/ckfinder/userfiles/files/kovewupewi.pdfIn PDF document text
  • http://chongthamnguoc.vn/img/files/30683801224.pdfIn PDF document text
  • https://blsautomation.com/ckfinder/userfiles/files/kozafakinorubiwowopawo.pdfIn PDF document text
  • http://angel-conference.org/upload_fck/file/2021-9-22/20210922193420279118.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/LPIa9PGmDLg/uplcv?utm_term=clear+cache+and+cookies+android+phonePDF 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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