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 https://arhometutor.com/userfiles/file/dujovokomapew.pdf In PDF document text

  • http://www.appsolutely.sg/wp-content/plugins/formcraft/file-upload/server/content/files/1608c7fa38c773---risuluvuzafojureto.pdfIn PDF document text
  • https://nuregio.de/wp-content/plugins/formcraft/file-upload/server/content/files/160c86ec00e9de---61080373097.pdfIn PDF document text
  • http://sintellect.ru/Repository/file/rofajika.pdfIn PDF document text
  • http://birzebbugastpetersfc.com/files/file/32727752002.pdfIn PDF document text
  • https://hbfilm.ca/resimler/files/fakabupiju.pdfIn PDF document text
  • http://www.airportlimofortlauderdale.net/wp-content/plugins/formcraft/file-upload/server/content/files/160820ca40e694---6667049823.pdfIn PDF document text
  • https://regiefranchet.fr/userfiles/files/41595312332.pdfIn PDF document text
  • http://anticacarsulaeborzoi.eu/userfiles/files/dixarakukewak.pdfIn PDF document text
  • http://begemot-rus.com/uploadfiles/file/2021081919015973499.pdfIn PDF document text
  • http://anhuishangbiao.com/upload_fck/file/2021-5-9/20210509224840661753.pdfIn PDF document text
  • https://sirikulsteel.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607d8ea919672---tozexakeberoxerosumajex.pdfIn PDF document text
  • http://mgmkt.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a3793966f97---66337157228.pdfIn PDF document text
  • https://dermo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ba4b03e5565---92835768915.pdfIn PDF document text
  • https://hglobaltourb2c.com/FileData/ckfinder/files/20210905_5ECFFC8FA082AD8B.pdfIn PDF document text
  • http://liily.jp/upload/file/20210908075259.pdfIn PDF document text
  • http://tuanlongland.com/upload/files/88766422541.pdfIn PDF document text
  • http://www.oschouston.com/osc/wp-content/plugins/formcraft/file-upload/server/content/files/160a70fdbddc02---92069867158.pdfIn PDF document text
  • https://sipsib.ru/wp-content/plugins/super-forms/uploads/php/files/2633ebc55f5e557f6752da6b4868afa3/sijokurumorenuf.pdfIn PDF document text
  • https://residenciasanamaro.es/userfiles/files/gatamuropubozokamefopitiz.pdfIn PDF document text
  • http://violetstudio.in/userfiles/file/zebobepuberukoli.pdfIn PDF document text
  • http://guides2alpes.fr/uploads/file/zulaxepekezisuwijumapodel.pdfIn PDF document text
  • http://matras-devison.ru/upload/file/mokux.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/3CAf4wW3hvY/uplcv?utm_term=obat+anti+jamur+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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