Malicious PDF — malware analysis report

Heuristics 8

• 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 to algorithmically-generated URL high PDF_RANDOM_URL_LINK
  PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
• 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 http://developmentassociationofnagaland.org/nbloom/fckuploads/file/jilakig.pdf In PDF document text

  • http://anhhieu.vn/hinhanh/file/71800781246.pdfIn PDF document text
  • http://snookerfootball.eu/wp-content/plugins/formcraft/file-upload/server/content/files/1608762f169383---dukatopinusogelipiwepepa.pdfIn PDF document text
  • https://clumba-indoor.ru/files/files/radabedum.pdfIn PDF document text
  • http://tetedebois.it/admin/file/37179457167.pdfIn PDF document text
  • http://janandpoos.com/clients/872640/File/bikowopuraxelaxaje.pdfIn PDF document text
  • https://hinodanang.com/uploads/image/files/pivufasosoxowabu.pdfIn PDF document text
  • http://uralcomservis.ru/crn_fls/crn_files/57944460468.pdfIn PDF document text
  • http://bascobrunswick.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16070377ac0cf1---warebid.pdfIn PDF document text
  • http://bagiez.de/userfiles/file/13998357461.pdfIn PDF document text
  • https://cylinder96.ru/admin/ckfinder/userfiles/files/danunomigusitixif.pdfIn PDF document text
  • http://talleresjpg.es/img/file/39571954234.pdfIn PDF document text
  • http://nc2e.fr/wp-content/plugins/formcraft/file-upload/server/content/files/161181e8632dc1---10253916668.pdfIn PDF document text
  • http://ziepniekkalns.lv/wp-content/plugins/formcraft/file-upload/server/content/files/160c3f2cbef60c---gosiwarozepuzaso.pdfIn PDF document text
  • https://southtours.com/wp-content/plugins/super-forms/uploads/php/files/ppsp6vjosq08i5kujql3deopr5/kawawiv.pdfIn PDF document text
  • https://www.adler-leitishofen.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607a1a4b60733---98467293777.pdfIn PDF document text
  • https://sidexsideaudio.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d814881fe7---xenusoniduzimuzi.pdfIn PDF document text
  • http://vizugy.hu/uploads/files/files/50684693941.pdfIn PDF document text
  • http://richardarnoldalumni.com/clients/a/ad/ad1dcfa6f69ac51e3fe6bec18f6cf6d6/File/vizesid.pdfIn PDF document text
  • http://asckhn.com/acskhn/userfiles/file/rujetewivuxag.pdfIn PDF document text
  • https://alutat.com/data/file/xewutafixarobon.pdfIn PDF document text
  • https://www.rockfallco.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d0c8a637d7---59506242857.pdfIn PDF document text
  • https://vinacomvietnam.vn/uploads/news_file/63961951513.pdfIn PDF document text
  • https://weinquartier.at/wp-content/plugins/super-forms/uploads/php/files/feb24251f1bf0dd153ce5162f78dc3e9/50315735168.pdfIn PDF document text
  • http://norilskgu.ru/userfiles/file/pozivuwigafijade.pdfIn PDF document text
  • http://monkeytailranchdonation.org/clients/e/e8/e82116dd0b5861b0917add2a69208af2/File/kalanijabu.pdfIn PDF document text
  • http://www.neslihanonur.com/wp-content/plugins/super-forms/uploads/php/files/e481585c99afc4d11e674a4b33967a34/55960692271.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/A3Ryygt5BCM/uplcv?utm_term=how+to+convert+pdf+file+to+image+using+phpPDF 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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