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
• Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LURE
  PDF has 1 image(s), only 0 text block(s), carries a click-outward action, and is only 69 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
• 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.
• 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://philabc.ru/uplcv?utm_term=yuva+upanishad+books+pdf+free+download PDF link annotation

  • http://dintainoodle.com/uploads/files/28215531838.pdfIn PDF document text
  • http://archifolder.com/userfiles/files/punovi.pdfIn PDF document text
  • https://www.igescanada.com/ckfinder/userfiles/files/17389985369.pdfIn PDF document text
  • https://sdhouse.info/ckfinder/userfiles/files/37654319659.pdfIn PDF document text
  • http://jutaek.humenia.com/upload/userfiles/2021/09/files/210916120056.pdfIn PDF document text
  • http://studionegrelli.it/userfiles/files/79877236443.pdfIn PDF document text
  • http://jts-electrical.co.uk/ckfinder/userfiles/files/43256040091.pdfIn PDF document text
  • http://uspeh-kursk.ru/ckfinder/userfiles/files/89153424470.pdfIn PDF document text
  • https://www.digitalsofts.com/wp-content/plugins/formcraft/file-upload/server/content/files/161306029ccc5b---luviwukakibiwiwazuzet.pdfIn PDF document text
  • http://graphicyazd.com/ckfinder/userfiles/files/tefezumafesixinevarufifup.pdfIn PDF document text
  • https://norservis.info/files/files/84359287964.pdfIn PDF document text
  • http://seritour.com/rsm/files/gibabafugivofofexi.pdfIn PDF document text
  • http://think6.net/ckfinder/userfiles/files/20210913224944.pdfIn PDF document text
  • https://moveo-sport.pl/userfiles/file/mefazosunuvazodenuzaxujaw.pdfIn PDF document text
  • http://www.bc-arman.kz/ckfinder/userfiles/files/wijadororerakelukokusam.pdfIn PDF document text
  • https://masterpieces-mallorca.com/wp-content/plugins/super-forms/uploads/php/files/052cbda11ac085c3c30c210038ad6d55/59152456266.pdfIn PDF document text
  • http://opakowania-loga.pl/zdjecia/fotki/file/vizowuti.pdfIn PDF document text
  • http://abapaposentados.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16150f07d407c6---80351742024.pdfIn PDF document text
  • http://usmleworkout.com/files/file/nafem.pdfIn PDF document text
  • http://marikitaberbagi.com/userfiles/file/61493167091.pdfIn PDF document text
  • http://extreamtuning.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16150ac2670ebb---wamutavemidudenipevitovok.pdfIn PDF document text
  • http://westernstudioservice.com/admin/userfiles/file/76296034055.pdfIn PDF document text
  • http://ebsenglish.net/_UploadFile/Images/file/zitegokawumiporeguvozora.pdfIn PDF document text
  • http://sure2trips.com/bot/ckfinder/uf/files/wexekijuwuvejupowapupisul.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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