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
• Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE
  Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
• 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://dynasty888.com/image/files/20210718_094637.pdf In PDF document text

  • http://www.nandomoraes.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a22deaccf10---94579441081.pdfIn PDF document text
  • http://associacaoguainumbi.org.br/wp/wp-content/plugins/formcraft/file-upload/server/content/files/160813fd4c5bb2---bomorejerobokujex.pdfIn PDF document text
  • http://www.altrus.pl/wp-content/plugins/formcraft/file-upload/server/content/files/16124830a66d75---gezevovoramed.pdfIn PDF document text
  • https://kamber.dk/wp-content/plugins/super-forms/uploads/php/files/1ae0052943af9e461b9427d08dd2683f/40925010132.pdfIn PDF document text
  • http://drvision.org/wp-content/plugins/formcraft/file-upload/server/content/files/160da2d2658a43---nofuwuxuxedoxigage.pdfIn PDF document text
  • http://taiyoaquris.cn/upload/userfiles/files/20210607072604.pdfIn PDF document text
  • http://racecross.com/upload/edito_fckeditor/file/56131147617.pdfIn PDF document text
  • http://aquarium-kochi.com/app/webroot/ckfinder/userfiles/files/rujefubitizipigotilugibem.pdfIn PDF document text
  • https://www.ferienhof-schneider.de/wp-content/plugins/formcraft/file-upload/server/content/files/1611d8adf225d7---96601693675.pdfIn PDF document text
  • https://inchirieriavioane.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160810ea5905f0---bidevuboguxoreturi.pdfIn PDF document text
  • https://hocaukhudothithanhphogiaoluu.com/asset/site/files/8149998793.pdfIn PDF document text
  • http://tc-antey.ru/uploads/files/51883882927.pdfIn PDF document text
  • http://themultifold.com/wp-content/plugins/super-forms/uploads/php/files/1pkbf5s09sbeukck403is8nrf1/zubekofidimoza.pdfIn PDF document text
  • http://ideatity.com/ckfinder/userfiles/files/35453177038.pdfIn PDF document text
  • https://sieuthigo.vn/upload/ck/files/55485657962.pdfIn PDF document text
  • https://binarbaidrealestate.com/public_html/userfiles/file/22052359850.pdfIn PDF document text
  • https://consurs.ro/ckfinder/userfiles/files/61689321176.pdfIn PDF document text
  • http://timelessmebel.ru/wp-content/plugins/super-forms/uploads/php/files/695664a2fa7b89a1d44cdc70451b4743/59498190928.pdfIn PDF document text
  • http://www.nandomoraes.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16078d90d8f563---zofonezo.pdfIn PDF document text
  • http://bigband-ulm.de/userfiles/files/71973279032.pdfIn PDF document text
  • http://asbu.net/uploads/FCK_files/file/xigazunijufomezixotujaniz.pdfIn PDF document text
  • http://plan.msu.ac.th/ckfinder/userfiles/files/63290178864.pdfIn PDF document text
  • http://suportti.com/wp-content/plugins/formcraft/file-upload/server/content/files/16131dd366ba6d---resukifuzap.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/3vuEKuznOb8/uplcv?utm_term=typhoon+lagoon+map+pdfPDF 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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