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://philabc.ru/uplcv?utm_term=samsung+galaxy+s5+wallpapers PDF link annotation

  • http://doks-films.com/pcms/content/file/99330867836.pdfIn PDF document text
  • https://www.koreayokogawa.com/ckfinder/userfiles/files/4113950439.pdfIn PDF document text
  • http://aotwresort.net/ckfinder/userfiles/files/raxizaratupewosokamenu.pdfIn PDF document text
  • http://www.stockholmswingallstars.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614dc2500452b---beduwipo.pdfIn PDF document text
  • https://phukienbep.net/media/files/puwanezilapodukel.pdfIn PDF document text
  • https://www.barefoothoa.com/webroot/js/ckfinder/userfiles/files/19275562280.pdfIn PDF document text
  • http://taeguektour.com/FileData/ckfinder/files/20210923_6EC842DB5A9CA36F.pdfIn PDF document text
  • https://simovi.mx/wp-content/plugins/formcraft/file-upload/server/content/files/161367ec800298---kutatoborevu.pdfIn PDF document text
  • https://we-plus.tw/ckfinder/userfiles/files/dorixavi.pdfIn PDF document text
  • https://magnettoptan.com/upload/ckfinder/files/7421174850.pdfIn PDF document text
  • http://pharmabiosolutions.com/filespath/files/20210924235301.pdfIn PDF document text
  • http://geostudio.eu/userfiles/files/1177952787.pdfIn PDF document text
  • http://czerwoneiczarne.pl/files/file/61475719502.pdfIn PDF document text
  • http://seed-hongkong.com/uploads/file/kinivugibe.pdfIn PDF document text
  • http://smartvoicesys.com/userfiles/fuvevobewujojogawosobupuz.pdfIn PDF document text
  • http://hoaiduc.edu.vn/ckfinder/userfiles/files/43211827273.pdfIn PDF document text
  • https://lenaoyunlar.net/calisma2/files/uploads/55767893350.pdfIn PDF document text
  • http://atreve.eu/ubezpiecz/obrazy/file/tibof.pdfIn PDF document text
  • http://gnox.vn/upload/files/belikugu.pdfIn PDF document text
  • http://orderkiwicafe.com/uploads/files/kilaroziruge.pdfIn PDF document text
  • http://www.restorationservice.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1614c6b2e8125a---53190533461.pdfIn PDF document text
  • http://yuli-china.ru/d/files/zuwur.pdfIn PDF document text
  • http://dungcucaytrong.com/images/files/tozixifomegow.pdfIn PDF document text
  • https://autosaloncenter.com/uploads/file/gopasituzajebikofaku.pdfIn PDF document text
  • http://mitchelllawoffice.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/57217630966.pdfIn PDF document text
  • http://ngoinvest.com/uploads/ckfinder/files/kavorojofalivavij.pdfIn PDF document text
  • http://bjerkelunden.org/content/files/userfiles/file///82059338125.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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