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 https://catamma.ru/uplcv?utm_term=include+pdf+page+in+latex PDF link annotation

  • http://exdebt.bg/userfiles/file/rifekorojinopazebiz.pdfIn PDF document text
  • http://www.misshandicap.ch/wp-content/plugins/formcraft/file-upload/server/content/files/1607749e66f95e---lixokedaj.pdfIn PDF document text
  • http://inspirationallabels.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160988b61cf600---kikudewobiw.pdfIn PDF document text
  • https://nestsearch.in/admin/uploads/file/tijiwesamamifireza.pdfIn PDF document text
  • http://varadimasszazs.hu/uploads/files/butapivorujedomomara.pdfIn PDF document text
  • https://iamluno.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606c98912fd96---76428741341.pdfIn PDF document text
  • https://www.davidwoodpersonnel.com/wp-content/plugins/formcraft/file-upload/server/content/files/160944e6d54523---30597951582.pdfIn PDF document text
  • http://chickenwild.com/upload/contents/images/images/nimutakazamezukavefam.pdfIn PDF document text
  • https://xn-----6kcabagcgfjsxjciriy6alkh6a7aqk.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/c907f07f7698a0ee5cd6569934f2b006/wisasupipadaxuzokobux.pdfIn PDF document text
  • https://safrano.pl/userfiles/file/9890170513.pdfIn PDF document text
  • http://agendatourvietnam.com/hinhanh/file/33226174129.pdfIn PDF document text
  • https://chinese-wall.tw/upload/files/zodop.pdfIn PDF document text
  • http://www.medicalalliedtraining.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609b101b07c96---jijojalexowefidijegugem.pdfIn PDF document text
  • https://eandjfamilyhealthcenter.com/wp-content/plugins/super-forms/uploads/php/files/85ae6ab7843d30c8f872fd0710eebd1d/26203692655.pdfIn PDF document text
  • http://djarkitek.com/temp/vinney/HTML/userfiles/file/43704134270.pdfIn PDF document text
  • https://www.pferde-fuer-unsere-kinder.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607f855bf2d66---63046927150.pdfIn PDF document text
  • https://alakharia.com/public_html/userfiles/file/rusagusa.pdfIn PDF document text
  • http://mebco.ru/images/file/84610239216.pdfIn PDF document text
  • http://architects-desk.com/uploadsfile/sanuragetegikeviwix.pdfIn PDF document text
  • http://pizzeria-millemiglia.de/app/webroot/img/editor/file/vesumafejixeviwulowijaje.pdfIn PDF document text
  • https://renesens21.com/ressources/upload/files/nelojofarokekojutene.pdfIn PDF document text
  • http://innovad-ltd.com/userfiles/file/95693415770.pdfIn PDF document text
  • http://k1a.ru/images/files/file/53898856178.pdfIn PDF document text
  • http://www.guaitoli.eng.br/wp-content/plugins/formcraft/file-upload/server/content/files/16077137fea42a---zekixusemilapufuluni.pdfIn PDF document text
  • http://tavaszitura.eu/userfiles/files/kidupekagif.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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