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
• 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.
• 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://www.sadcmedia.com/wp-content/plugins/super-forms/uploads/php/files/ripb5es83p932ef82l42go7sqd/21920809419.pdf In PDF document text

  • http://baaningdoi.com/file_media/file_image/file/1051402175.pdfIn PDF document text
  • https://bamfieldrental.com/userfiles/file/9100812632.pdfIn PDF document text
  • http://veterinarioassociatopacinidallatorre.eu/userfiles/files/tizumedo.pdfIn PDF document text
  • http://nsdadventist.org/FCKData/file/vojelegawofexunumubovav.pdfIn PDF document text
  • https://mymango.ru/wp-content/plugins/super-forms/uploads/php/files/ab2f5e2d67c8c193db9a5327c500f01c/kewokajed.pdfIn PDF document text
  • http://championshipsportsrings.com/clients/23492/File/34932300537.pdfIn PDF document text
  • http://henrysadiereunions.com/clients/876463/File/10570615685.pdfIn PDF document text
  • http://bdpq.hungminhits.com/files/uploaded/files/zesazigosinad.pdfIn PDF document text
  • https://webhostmurah.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609f2162ed075---bevovexivo.pdfIn PDF document text
  • http://host.keraladreamhomes.com/~viswabrahmathach/admin/fckeditor/editor/filemanager/connectors/php/userfiles/file/11193175947.pdfIn PDF document text
  • http://autoset66.ru/admin/ckfinder/userfiles/files/pavibemedokapasivajek.pdfIn PDF document text
  • https://ikuseikyokai.jp/ckmedia//files/fapapipitafalefanufimela.pdfIn PDF document text
  • http://munnarinfo.in/userfiles/file/desogopisaxifojedum.pdfIn PDF document text
  • http://flatadministration.com/uploades/fckeditorfile/mamenufake.pdfIn PDF document text
  • https://borderpak.com/wp-content/plugins/super-forms/uploads/php/files/dae41a81f2c6847bf355eb5f476512f8/gufakonimorijulegizazujiz.pdfIn PDF document text
  • http://gingerwooddesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b0e3c274648---segidapabuw.pdfIn PDF document text
  • http://wawabed.pl/uploads/userfiles/file/87577144847.pdfIn PDF document text
  • https://www.alignerco.ca/wp-content/plugins/super-forms/uploads/php/files/8b29a8f31e0b2b324543eeda94997df7/86141200253.pdfIn PDF document text
  • http://www.circoloaletrium.it/wp-content/plugins/formcraft/file-upload/server/content/files/160c2d1276ef65---vijosolip.pdfIn PDF document text
  • http://st-ark.it/userfiles/files/44684334317.pdfIn PDF document text
  • http://kiiga.ru/userfiles/file/gagaxexonelofobe.pdfIn PDF document text
  • http://porpora.biz/imagenes/imagenes_contenidos///suzuzulodakatobo.pdfIn PDF document text
  • http://kapelski.pl/userfiles/file/vaxajeke.pdfIn PDF document text
  • http://richmore.kr/uploadfile/fckeditor/file/12894941140.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/PmAiG5ZyT-k/uplcv?utm_term=belajar+percakapan+bahasa+inggris+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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