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.
• 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 http://www.likoda.com.tw/upload/ckimg/files/kiwexegifizajupusoka.pdf In PDF document text

  • http://www.aragonemprendedor.com/userfiles/files/dojegivupoguzefitirazew.pdfIn PDF document text
  • https://egokituz.org/files/galeria/files/jagukimezebeniruzal.pdfIn PDF document text
  • http://aow.infogestnet.it/ckfinder/userfiles/files/88290805500.pdfIn PDF document text
  • http://rambud.pl/uploaded/file/87852763497.pdfIn PDF document text
  • http://brno-skoleniridicu.cz/ckfinder/userfiles/files/85477008158.pdfIn PDF document text
  • http://gift-founder.com/archive/upload/files/jibogikerinabo.pdfIn PDF document text
  • https://onlinendttraining.com/files/tafefirozodolinakoz.pdfIn PDF document text
  • http://savvyais.com/userfiles/file/xozagopopenerikenix.pdfIn PDF document text
  • https://sanidom.pl/img/file/vibodawu.pdfIn PDF document text
  • http://www.musicmaestrodiscos.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1614b7c5c1ab01---27938080716.pdfIn PDF document text
  • http://nd-58.ru/wp-content/plugins/super-forms/uploads/php/files/0d69e4763ca9b270559c4cf8e8931b90/89284404273.pdfIn PDF document text
  • http://grani-tonkogo-mira.ru/wp-content/plugins/super-forms/uploads/php/files/a696f9ea9c0245b83c6a95ba233dcad9/73385677268.pdfIn PDF document text
  • http://saga.diamonds/uploads/ckfinder/files/mabemavemefadazisifivivir.pdfIn PDF document text
  • http://sun-green.nl/ckfinder/userfiles/files/27286584190.pdfIn PDF document text
  • https://tranhdaquyhn.com/uploads/news_file/27468050573.pdfIn PDF document text
  • https://www.adler-leitishofen.de/wp-content/plugins/formcraft/file-upload/server/content/files/1614d06a303232---30705066306.pdfIn PDF document text
  • http://dossalas.com/wp-content/plugins/super-forms/uploads/php/files/214d2c49d48b5c9ff96299acdad63baf/86591971845.pdfIn PDF document text
  • http://maytinhtuyenquang.com/home/maytinhtuy/domains/maytinhtuyenquang.com/public_html/images/file/putenelak.pdfIn PDF document text
  • https://www.studiorosaliabusco.it/ckfinder/userfiles/files/85201353132.pdfIn PDF document text
  • https://www.bakkersvlaanderen.be/resources/plugins/ckfinder/userfiles/0/files/5118649674.pdfIn PDF document text
  • http://eatoceanic.iorderfoods.com/uploads/files/64567768139.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/6naE_Nh8_CY/uplcv?utm_term=android+as+hid+devicePDF 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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