Malicious PDF — malware analysis report

Heuristics 6

• 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 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://haihengpharm.com/upload/files/93285142466.pdf In PDF document text

  • https://solidpractise.com/files/userfiles/file/jidujosaxexo.pdfIn PDF document text
  • http://simkoongschool.com/uploads/editer/files/nufaxiwapuxi.pdfIn PDF document text
  • http://bfr-bialapodlaska.pl/userfiles/file/31278851217.pdfIn PDF document text
  • https://gamletaarnhuset.no/wp-content/plugins/formcraft/file-upload/server/content/files/16078b215e939a---xokave.pdfIn PDF document text
  • https://www.chartsunlimited.com.ph/wp-content/plugins/formcraft/file-upload/server/content/files/160b4c7c6144a7---68444358995.pdfIn PDF document text
  • https://nam.it/wp-content/plugins/formcraft/file-upload/server/content/files/1608462b85a84d---rigasavoxojiwetis.pdfIn PDF document text
  • https://vmwarts.com/ecovic/file/wezuzus.pdfIn PDF document text
  • https://glosunspa.com/wp-content/plugins/formcraft/file-upload/server/content/files/16085418fa4186---21671141928.pdfIn PDF document text
  • https://www.generalutilities.com/wp-content/plugins/formcraft/file-upload/server/content/files/16094d0aad13de---mogirumiropirelen.pdfIn PDF document text
  • http://sonhanint.com/uploadpic/sun/files/202108241907217526.pdfIn PDF document text
  • https://www.elektrobetrieb-scholz.de/wp-content/plugins/formcraft/file-upload/server/content/files/160d034ecba8d4---53198421797.pdfIn PDF document text
  • http://salon-urody-bellis.pl/images/file/gonajefubonisa.pdfIn PDF document text
  • https://tocgia247.com/wp-content/plugins/super-forms/uploads/php/files/2g2nk7ul3cdjs3cqu5idptfj9e/12658048213.pdfIn PDF document text
  • https://thesmithgrouphouston.com/wp-content/plugins/super-forms/uploads/php/files/48f1f8374dabd410fefa6b905face3f1/75376805936.pdfIn PDF document text
  • http://nkmate.com/FileData/ckfinder/files/20210720_B72B646E75B75703.pdfIn PDF document text
  • https://dacoma.ro/wp-content/plugins/formcraft/file-upload/server/content/files/161073f3793fe1---59790733851.pdfIn PDF document text
  • http://robbes.nl/media/files/luzagimanagexipugipal.pdfIn PDF document text
  • https://htfcompact.com/wp-content/plugins/super-forms/uploads/php/files/fb4451b9804c3394d774d69928a80178/87014643332.pdfIn PDF document text
  • http://www.risingstars.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160c667c9aa313---xiritalizoniruv.pdfIn PDF document text
  • https://www.bouwenaaneensterkwerkgeversmerk.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16087af59e753a---kuxamuka.pdfIn PDF document text
  • http://diamondsnspurs.com/clients/12200/File/wexakenula.pdfIn PDF document text
  • http://www.lightingandhvacexpo.com/wp-content/plugins/super-forms/uploads/php/files/b34a9314c12d2849044ebe045d8968ac/kitinedebimo.pdfIn PDF document text
  • http://rotarylaspalmas.org/documentos/file/rikanefexi.pdfIn PDF document text
  • https://alutat.com/data/file/muzugidarekemeweri.pdfIn PDF document text
  • https://masterpieces-mallorca.com/wp-content/plugins/super-forms/uploads/php/files/99525ed8c20a6d1fb5463f184b2a67c9/34164106491.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/ngfLrbzwjls/uplcv?utm_term=exponential+equations+worksheet+with+answers+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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