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.
• QR-code redirect lure medium SE_QR_LURE
  Document instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
• 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.esicm-old.org/admin/lib/ckfinder/userfiles/files/lilekerafedenituvuronajo.pdf In PDF document text

  • http://www.trimbleexpress.sk/wp-content/plugins/formcraft/file-upload/server/content/files/16145da08b7172---94217967326.pdfIn PDF document text
  • http://antik-cafe-bergen.de/wp-content/plugins/formcraft/file-upload/server/content/files/1614b286e6dfe9---13958593529.pdfIn PDF document text
  • https://sidexsideaudio.com/wp-content/plugins/formcraft/file-upload/server/content/files/16148bc05d3014---21722141898.pdfIn PDF document text
  • https://40parables.com/wp-content/plugins/super-forms/uploads/php/files/10b7561122262917007604cfa2480152/79143643598.pdfIn PDF document text
  • http://tpfish.com.taipei/archive/upload/files/15546968415.pdfIn PDF document text
  • http://aarogyamedico.com/userfiles/file/lajizoguxobijez.pdfIn PDF document text
  • http://aromamahabaleshwar.com/ckfinder/userfiles/files/vakepijoxubawuzavopijese.pdfIn PDF document text
  • http://bibrka-school.org.ua/ckfinder/userfiles/files/vafafi.pdfIn PDF document text
  • http://dongshengcable.com/images/upload/File/90790993535.pdfIn PDF document text
  • http://licausi.it/userfiles/files/zokakijijibijokira.pdfIn PDF document text
  • https://kermiradiatoriai.lt/images/files/kutesujaduga.pdfIn PDF document text
  • https://genesisbehaviorcenter.com/wp-content/plugins/super-forms/uploads/php/files/c6b765283664dc5284ff4dd37940cc6c/26716014196.pdfIn PDF document text
  • http://nataliashishkina.com/userfiles/file/pukuvuma.pdfIn PDF document text
  • http://wksx.top/images/userfiles/file/89347552449.pdfIn PDF document text
  • http://zbirozskepodzamci.cz/userfiles/31183581160.pdfIn PDF document text
  • http://jamones-luna.shopcloud.es/ckfinder/userfiles/files/somukenupugamavitezikut.pdfIn PDF document text
  • http://spalovnachemolak.sk/userfiles/file/nuvasigibenufuxoxa.pdfIn PDF document text
  • http://worldplastsolution.com/ckfinder/userfiles/files/96705977707.pdfIn PDF document text
  • http://asacnfservices.com/ckfinder/userfiles/files/zefupipog.pdfIn PDF document text
  • http://logo4you.dk/userfiles/file/48695345038.pdfIn PDF document text
  • https://angkorphotographyguide.com/userfiles/file/78642923787.pdfIn PDF document text
  • http://www.alwaysflorida.com/wp-content/plugins/formcraft/file-upload/server/content/files/161431035961c4---voxirunodewupovapizetisoj.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/6naE_Nh8_CY/uplcv?utm_term=conference+call+on+botimPDF 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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