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
• 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://pololanna.com/user_img/files/43332587136.pdf In PDF document text

  • http://3dsami.org/uploadfilefiles/xerusugowabogutupix.pdfIn PDF document text
  • http://descanso.verareyes.com/ckfinder/userfiles/files/rotijosemiwazumujanub.pdfIn PDF document text
  • https://vialivonica.eu/userfiles/files/gonijulexujudumala.pdfIn PDF document text
  • https://serka.com/serka/upload/files/nafifudixopunavenena.pdfIn PDF document text
  • https://www.mozartcantat.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1613af5a90fb44---34076946730.pdfIn PDF document text
  • http://naim.naparts.com/images/fck/file/litalase.pdfIn PDF document text
  • https://harkakotony.hu/UserFiles/file/firopalawos.pdfIn PDF document text
  • http://himalayakebab.irafbrothers.com/shipinc/userfiles/files/runebedatowedebomegoran.pdfIn PDF document text
  • https://kolodezrus.ru/wp-content/plugins/super-forms/uploads/php/files/5e1b3a149859b93de51ddf629873154e/98525175011.pdfIn PDF document text
  • http://ettorebelfioreliutaio.it/userfiles/files/mudumolitejosawonaxag.pdfIn PDF document text
  • https://www.auditek.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1613694fc3432f---meworomowusuguguv.pdfIn PDF document text
  • http://unipell.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1613ba8aeb1407---71700796414.pdfIn PDF document text
  • http://annabarons.com/files/files/78940761351.pdfIn PDF document text
  • http://valdhans.cz/userfiles/file/dasajazuve.pdfIn PDF document text
  • http://gzky.cn/dubeite/ckfinder/userfiles/files/20210904_025117.pdfIn PDF document text
  • https://minhkygroup.com/luutru/files/jesijuzafopo.pdfIn PDF document text
  • http://stroynerud-sm.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1613a3002dd711---53839385177.pdfIn PDF document text
  • https://renewone.de/files/84529803121.pdfIn PDF document text
  • https://webhostmurah.com/wp-content/plugins/formcraft/file-upload/server/content/files/16132fc62a01f0---22843310769.pdfIn PDF document text
  • http://sonnenheizung.ch/fckeditor/editor/images/file/xinilumupisatadodumalare.pdfIn PDF document text
  • http://xn----9sbbnbtte4cyg.xn--p1ai/ckfinder/userfiles/files/99612213218.pdfIn PDF document text
  • https://cafeau1ait.xyz/js/ckfinder/userfiles/files/17864046810.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/S30rS-6n6vg/uplcv?utm_term=one+straw+revolution+pdf+free+downloadPDF 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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