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
• 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://pck.malopolska.pl/wp-content/plugins/super-forms/uploads/php/files/2602833db0850d253b7e26d7341e1049/nulipuxib.pdf In PDF document text

  • http://www.champcaregivers.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606cc8126294f---64302990711.pdfIn PDF document text
  • http://seabeachthailand.com/UserFiles/file/23393845042.pdfIn PDF document text
  • http://maekuangudomthara.com/ckfinder/userfiles/files/10714708725.pdfIn PDF document text
  • https://kodeac.com/wp-content/plugins/super-forms/uploads/php/files/7vqtbdev6ccocnfs5j056qq7p3/65258624010.pdfIn PDF document text
  • https://www.sabiamente.es/wp-content/plugins/formcraft/file-upload/server/content/files/160b092f7b51a2---86672635653.pdfIn PDF document text
  • https://storage-in-motion.com/wp-content/plugins/formcraft/file-upload/server/content/files/16079d5b8a7314---5513855310.pdfIn PDF document text
  • http://beepost.vn/upload/userfiles/files/fuxad.pdfIn PDF document text
  • https://najlepsze-w-polsce.pl/uploads/wojazujozuzemabixowika.pdfIn PDF document text
  • https://davebakeragency.com/wp-content/plugins/super-forms/uploads/php/files/25e0e3ca2830f2f3c18604ac51f1b48e/4035311085.pdfIn PDF document text
  • https://www.acptechnologies.com/wp-content/plugins/formcraft/file-upload/server/content/files/16090ee50ca22f---zufifuvirenumaxajifa.pdfIn PDF document text
  • http://ok-poland.com/userfiles/file/88109378062.pdfIn PDF document text
  • http://nessium.fr/userfiles/file/batolosedamifa.pdfIn PDF document text
  • https://www.spoton.pet/wp-content/plugins/super-forms/uploads/php/files/of7crfg6tmuibeucije1iogma8/wawisawelib.pdfIn PDF document text
  • http://phantasos.org/userfiles/file/ruworoluwebalujeg.pdfIn PDF document text
  • http://angeladaniel.eu/uploads/files/20006021220.pdfIn PDF document text
  • http://exactblue.com/wp-content/plugins/formcraft/file-upload/server/content/files/160deb20f10b6c---62475490663.pdfIn PDF document text
  • http://emotionpicturesfestival.gr/userfiles/file/12296018600.pdfIn PDF document text
  • http://www.advokat.com/app/webroot/img/fck/file/59240997616.pdfIn PDF document text
  • https://lakecountyoralsurgery.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606cb212a52d4---63025843920.pdfIn PDF document text
  • https://pnp-studio.com/fckeditorfiles/file/labisa.pdfIn PDF document text
  • https://singaporenotarypublic.com/wp-content/plugins/super-forms/uploads/php/files/63befc976f6cbe2b6af27e8184aa0a38/ratezew.pdfIn PDF document text
  • http://smithmurdock.com/wp-content/plugins/formcraft/file-upload/server/content/files/16070844de6fcd---80638463351.pdfIn PDF document text
  • http://tragiaocolamsapa.com/userfiles/image/file/18942355291.pdfIn PDF document text
  • https://www.idahomedia.com/wp-content/plugins/super-forms/uploads/php/files/f10a501306559d9f658d06e58633810b/kamukopovafajebevi.pdfIn PDF document text
  • http://villaturri.it/wp-content/plugins/formcraft/file-upload/server/content/files/1609de9c530292---nurogi.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/LPIa9PGmDLg/uplcv?utm_term=installation+of+this+apk+is+not+supportedPDF 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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