Malicious PDF — malware analysis report

Heuristics 7

• 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 links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
  PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
• 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.
• 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://allytemp.ru/uplcv?utm_term=whole+lotta+love+drum+sheet+music In PDF document text

  • https://proia.bg/userfiles/file/tajajirikiwapovumusakisuw.pdfIn PDF document text
  • https://praktijk-fix.nl/userfiles/image/file/9524180097.pdfIn PDF document text
  • http://appartenvue.net/appart/upload/images/solirane.pdfIn PDF document text
  • http://seidels-mineralienwelt.de/images/uploaded/file/pelipopuzupexomubetixixod.pdfIn PDF document text
  • https://mattress-leader.com/media/jirigedikorotaxoluxube.pdfIn PDF document text
  • http://www.detskaoptika.cz/ckfinder/userfiles/files/66431992728.pdfIn PDF document text
  • http://imosa.asia/uploads/files/202109041413539263.pdfIn PDF document text
  • http://cka-shiba.com/ckfinder/userfiles/files/kedugomunawifipupa.pdfIn PDF document text
  • https://www.emmabowman.com/wp-content/plugins/super-forms/uploads/php/files/0cabaeda1f7ef7d36be9d921e2c74804/12596023038.pdfIn PDF document text
  • https://dehaventransportation.com/home/de/public_html/ckfinder/userfiles/files/jesuwim.pdfIn PDF document text
  • http://andreagarciam.com/wp-content/plugins/formcraft/file-upload/server/content/files/16137190981f5b---40577081842.pdfIn PDF document text
  • https://tipresentoio.it/images/file/88957642473.pdfIn PDF document text
  • https://www.potterycommercials.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1612f05a2e1399---lifisedakareg.pdfIn PDF document text
  • http://huabulaw.com/uploadpic/2021-9/file/2021090500564673499.pdfIn PDF document text
  • https://www.andimoda.com/wp-content/plugins/super-forms/uploads/php/files/d82ae0e40389fc907f248fe4de4205e4/damokubi.pdfIn PDF document text
  • https://www.utn.ac.cr/sites/default/files/files/lemuvilitukaduxazaj.pdfIn PDF document text
  • https://mandalaconfeccao.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1613b7b26e8a7d---96002715735.pdfIn PDF document text
  • https://www.douggoodkin.com/admin/ckfinder/userfiles/files/wesesevem.pdfIn PDF document text
  • http://hoanhaochemical.com/uploads/files/4088008602.pdfIn PDF document text
  • http://bhk-aindling.com/userfiles/files/7752944000.pdfIn PDF document text
  • https://vashadvokat82.ru/wp-content/plugins/super-forms/uploads/php/files/7d02478c349bf3b8814205c97eed0e3b/solugijofosamizej.pdfIn PDF document text
  • http://campingwithconvenience.com/files/files/45194050248.pdfIn PDF document text
  • http://cafemsoffice.com/userfiles/files/6957136387.pdfIn PDF document text
  • https://aznamaste.com/ckfinder/userfiles/files/39861896544.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 extracted file (font_00_sfnt_off0000b2e7.bin)
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_00_sfnt_off0000b2e7.bin)

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