Malicious PDF — malware analysis report

Heuristics 6

• 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 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://cructi.ru/uplcv?utm_term=margo+t+granny PDF link annotation

  • http://ccsctda.com/ckfinder/userfiles/files/20210911_021707.pdfIn PDF document text
  • http://tks-forever.com/upload/2021/09/08/file/kufimago.pdfIn PDF document text
  • https://tcufroghouses.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613fcdb530eff---99220789089.pdfIn PDF document text
  • http://objetivovender.com/wp-content/plugins/formcraft/file-upload/server/content/files/16135772bbe458---58946807373.pdfIn PDF document text
  • http://www.pavimentosyreformasferlu.es/ckfinder/userfiles/files/detitidux.pdfIn PDF document text
  • https://beta.nhatthiengroup.com/files/uploaded/files/9928218353.pdfIn PDF document text
  • https://simbhaolipower.com/images/file/torigunit.pdfIn PDF document text
  • http://jmk.kr/ckfinder/userfiles/files/simunilovorukume.pdfIn PDF document text
  • http://www.adanakursmerkezi.com/wp-content/plugins/formcraft/file-upload/server/content/files/16142cbc4a8d83---kunonubarubupegexuwizoma.pdfIn PDF document text
  • http://hcm-invoice.vn/hinhanh_fckeditor/file/nopifuwokojupej.pdfIn PDF document text
  • https://bibliotheque.ville.deux-montagnes.qc.ca/ckfinder/userfiles/files/12311045076.pdfIn PDF document text
  • http://haiphongcontest.com/images/files/78745664099.pdfIn PDF document text
  • http://vidiniaibreketai.lt/userfiles/file/vigitefupesarazoxeno.pdfIn PDF document text
  • http://sakesushilakehavasu.com/uploads/files/21523532095.pdfIn PDF document text
  • http://yakutiaprime.ru/SITE/files/editor/file/48698681773.pdfIn PDF document text
  • https://nffcd.org/userfiles/files/5532132512.pdfIn PDF document text
  • https://polinagerz.ru/wp-content/plugins/super-forms/uploads/php/files/ghh7ra0qj0q1g4hiqau1r4dvvf/kijubexupo.pdfIn PDF document text
  • https://qualityroofinnandsuites.com/nbloom/fckuploads/file/kevumevazawikego.pdfIn PDF document text
  • https://gulf-rope.com/images/bulk_images/files/32349415301.pdfIn PDF document text
  • http://xn--h1aaebajlcgx.xn--p1ai/sadm_files/2203548821.pdfIn PDF document text
  • http://kystop.com/wp-content/plugins/super-forms/uploads/php/files/caac6c85071bb8cd7c39dbbb24fa19ce/zofezefejexoxar.pdfIn PDF document text
  • http://speednewslive24.com/assets/ckfinder/core/connector/php/uploads/files/51210836834.pdfIn PDF document text
  • http://biondiairsystem.it/userfiles/files/65029673169.pdfIn PDF document text
  • http://alituncer.com/userfiles/file/webofiro.pdfIn PDF document text
  • http://circolonauticofavignana.it/userfiles/files/34287478929.pdfIn PDF document text
  • https://mtestbd.com/assets/uploads/files/3305364268.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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