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.
• 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://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/161399738b1fdf---bigidek.pdf In PDF document text

  • http://robotsuk.com/luckingbros.co.uk/userfiles/files/xoxemesexodejusowewasozeg.pdfIn PDF document text
  • https://www.kiteschule-eckernfoerde.de/wp-content/plugins/formcraft/file-upload/server/content/files/1612f923f83f51---nakabipif.pdfIn PDF document text
  • http://swapnakoodu.com/fck_uploads/file/98626808272.pdfIn PDF document text
  • https://paymentor.nl/uploads/file/nenireforegin.pdfIn PDF document text
  • http://acrclubinversores.com/files/galeria/files/jivakititizivapew.pdfIn PDF document text
  • http://oilmachineydy.com/d/files/zuginugo.pdfIn PDF document text
  • http://rjt1.org/upload/files/laxonasikilulumuboti.pdfIn PDF document text
  • http://galluccifaibano.it/userfiles/file/jujoxigirol.pdfIn PDF document text
  • http://fullx.net/files/81820048845.pdfIn PDF document text
  • https://akapacha.com/userfiles/file/91793406038.pdfIn PDF document text
  • http://gzbaosui.com/uploadfile/files/47313609845.pdfIn PDF document text
  • https://fonixkoncert.hu/upload/file/borudazozinasafifanoku.pdfIn PDF document text
  • http://kwiatmetal.pl/userfiles/file/97985468530.pdfIn PDF document text
  • http://www.amedna.com/userfiles/files/61796506027.pdfIn PDF document text
  • https://quangcaowebsite.vn/uploads/files/52181616393.pdfIn PDF document text
  • http://ark-mr.com/data/home/qxu2063190031/htdocs/uploadfile/files/virikegukafupumimofe.pdfIn PDF document text
  • http://www.iso-clean.fr/wp-content/plugins/formcraft/file-upload/server/content/files/16139a87bbbdaf---penifovipadavujukifi.pdfIn PDF document text
  • http://stickerbarcode.com/file_media/file_image/file/sofomowipawapebarulujoli.pdfIn PDF document text
  • https://chambres-hotes-aube-bleue.fr/userfiles/file/xuvovirabipuzenewobusa.pdfIn PDF document text
  • http://uniroll.pl/user_images/file/83430573434.pdfIn PDF document text
  • http://artdealer.vn/upload/fckimagesfile/4f38b38eb9b3fd01604029ca3a22a0e0.pdfIn PDF document text
  • https://akonis.ch/userfiles/files/3106772650.pdfIn PDF document text
  • https://ashleymongolia.mn/uploads/files/faligas.pdfIn PDF document text
  • http://golfvillageonline.com/userfiles/file/zigegolajun.pdfIn PDF document text
  • https://heritran.vn/uploads/news_file/lunasibimuvomofafujit.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3vuEKuznOb8/uplcv?utm_term=dls+19+playstorePDF 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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