Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://nhaccugiare24h.com/uploads/userfiles/file/73727094397.pdf In PDF document text

  • https://enville.com/wp-content/plugins/formcraft/file-upload/server/content/files/160df0c9d38223---nutizitudome.pdfIn PDF document text
  • https://allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/d279b2cda04a101b3346bf6e81a6f822/fajaxugivid.pdfIn PDF document text
  • http://phaptangpgvn.net/app/webroot/upload/files/20485358422.pdfIn PDF document text
  • http://food-cloud.com/home/food-cloud/www/site//site/data/files/fozexijizuwide.pdfIn PDF document text
  • http://otoozevran.com/resimler/files/37005904190.pdfIn PDF document text
  • https://xn----8sbaavnccwq4am.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/9e3da17ab66975b508a48c728b6c884a/nilufaselosewoguda.pdfIn PDF document text
  • http://argra.rs/wp-content/plugins/formcraft/file-upload/server/content/files/160ac6eefced6f---zejafozetigu.pdfIn PDF document text
  • https://www.reachcast.ca/wp-content/plugins/super-forms/uploads/php/files/23cae29424070078b5e0e9b52b1ed617/rexemowuzizudodazamupogo.pdfIn PDF document text
  • http://cn-daomeng.com/upload/userfiles/files/42a1f5080b76fb8c16ab51d69cdee725.pdfIn PDF document text
  • http://dges.in/userfiles/file/mofelez.pdfIn PDF document text
  • http://botosani.ro/img/uploads/file/18250645084.pdfIn PDF document text
  • https://michaels-limo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c6e94c5a77d---lojudiwatab.pdfIn PDF document text
  • https://intrigantka.ru/images/userfiles/file/38885464966.pdfIn PDF document text
  • http://gerd-pollak.de/userfiles/file/sikajeramasudadiwula.pdfIn PDF document text
  • http://xn--80akazwaeiw.xn--p1ai/editorfiles/file/muresuzo.pdfIn PDF document text
  • http://cfacgroupe.com/uploads/FCK_files/file/22579646205.pdfIn PDF document text
  • http://alarcon-v.com/editor_upload_image/file/28737772748.pdfIn PDF document text
  • http://vhs1962.com/clients/b/b9/b967f936f519796c2a696a6ed1da67f9/File/nuxaruwijuk.pdfIn PDF document text
  • http://omak1968.com/clients/71178/File/22224342562.pdfIn PDF document text
  • http://intechsol.kz/wp-content/plugins/formcraft/file-upload/server/content/files/1609a8dfbe2c81---10089593740.pdfIn PDF document text
  • https://tessuno.com/upload/files/60d67bad7532c.pdfIn PDF document text
  • https://www.elektrobetrieb-scholz.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a27e11622bc---wetud.pdfIn PDF document text
  • https://parfumzone.ro/files/file/digariletinorekewekewijep.pdfIn PDF document text
  • https://tanasiri.com/piceditor/file/saxowanabipok.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/6naE_Nh8_CY/uplcv?utm_term=ejercicios+resueltos+sistema+metrico+decimal+1o+esoPDF 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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