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
• Clickable URI points to raw IP address medium PDF_URI_IP_LITERAL
  PDF contains a clickable HTTP(S) action whose host is a literal IPv4 address. Legitimate documents normally link to named domains; raw-IP destinations are common in disposable phishing and malware-delivery infrastructure.
• 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 http://104.156.58.56/~web2inbox/wp-content/plugins/formcraft/file-upload/server/content/files/16140efb17d402---31898186675.pdf PDF link annotation

  • http://abdon.madteam.net/ckfinder/userfiles/files/pedogos.pdfIn PDF document text
  • http://zjgyuanhong.com/v15/Upload/file/202196021577948.pdfIn PDF document text
  • https://kvartira-zalog.ru/wp-content/plugins/super-forms/uploads/php/files/8044a91dc090fd2bf389983195c0b096/32823935514.pdfIn PDF document text
  • https://nhahangphongcanh.com/uploads/files/40031831433.pdfIn PDF document text
  • https://www.caesarstravel.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614cccfb3aeb5---21657384734.pdfIn PDF document text
  • https://chsins.tw/uploads/files/202110011415101434.pdfIn PDF document text
  • http://nhakhoanhantin.com/media/ftp/file/libata.pdfIn PDF document text
  • http://curry-box-deluxe.de/userfiles/file/sidutepudomanajamakofi.pdfIn PDF document text
  • http://dasbluemchen.com/26163181061.pdfIn PDF document text
  • https://www.energetisch-therapeut-estie.nl/wp-content/plugins/formcraft/file-upload/server/content/files/161401140e6a53---wotobomoxiji.pdfIn PDF document text
  • http://azinsaghf.com/cache/fck_files/file/28747967635.pdfIn PDF document text
  • http://www.halpellet.hu/userfiles/files/51529284312.pdfIn PDF document text
  • http://co-wemart.com/careeruserfiles/file/42043762426.pdfIn PDF document text
  • http://kmbb.at/userfiles/file/zufubod.pdfIn PDF document text
  • http://pericosrentcar.com.mx/wp-content/plugins/formcraft/file-upload/server/content/files/1614223d9a2f54---48816592485.pdfIn PDF document text
  • https://congchungnguyenlieu.vnpec.xyz/uploads/files/dusufasasipize.pdfIn PDF document text
  • http://deforma.it/userfiles/files/4007105283.pdfIn PDF document text
  • https://phoenixturkey.com/upload/ckfinder/files/zejuzifesanibugane.pdfIn PDF document text
  • https://kulittelor.com/contents/files/22150126526.pdfIn PDF document text
  • http://sporteambiente.it/ckfinder/userfiles/files/xupotozidaxiwokesewame.pdfIn PDF document text
  • http://remaining-mc.de/userfiles/file/beneturit.pdfIn PDF document text
  • http://sattosushi.com/uploads/files/40495711647.pdfIn PDF document text
  • http://belstroyiz.ru/img/file/67899128892.pdfIn PDF document text
  • https://kuechentreff-schmid.de/wp-content/plugins/super-forms/uploads/php/files/i5drvqv7bei18t2rjgijausnl4/44860223679.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/ngfLrbzwjls/uplcv?utm_term=bangla+grammar+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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