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 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.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• 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://irlanc.ru/uplcv?utm_term=18+pounds+to+ounces PDF link annotation

  • http://x-site.by/upload/editor/files/regeripo.pdfIn PDF document text
  • http://szm.hu/userfiles/file/zebazilob.pdfIn PDF document text
  • http://marathon-gexin.com/Uploadfiles/files/gelosugi.pdfIn PDF document text
  • http://go-trec.com/wp-content/plugins/super-forms/uploads/php/files/gbe7nr0pctl4g1gmcqva3sar2q/62596175558.pdfIn PDF document text
  • http://lorichphoto.com/pictures/file/mewopujajujanejosomegib.pdfIn PDF document text
  • http://geonatlife.es/ckfinder/userfiles/files/68920702448.pdfIn PDF document text
  • http://vzwsportenmuziek.com/content_docs/varubefipexika.pdfIn PDF document text
  • http://kimsanghun.com/upload/userfiles/file/2021951930466732.pdfIn PDF document text
  • http://vanillasky-ch.com/images/files/13068611182.pdfIn PDF document text
  • https://zzwgjx.com/d/files/54209327358.pdfIn PDF document text
  • https://mayphotocopydogia.com/upload/files/39319182871.pdfIn PDF document text
  • https://purpleleafestatebuyers.com/wp-content/plugins/formcraft/file-upload/server/content/files/161401875efeb7---xelibonixiratikil.pdfIn PDF document text
  • https://gamletaarnhuset.no/wp-content/plugins/formcraft/file-upload/server/content/files/1614fab3e6bb9d---busikobu.pdfIn PDF document text
  • https://soyana.de/js/ckfinder/userfiles/files/zelalebenarumapebuwizude.pdfIn PDF document text
  • http://julieesteban.com/wp-content/plugins/formcraft/file-upload/server/content/files/161536c4216484---48919467153.pdfIn PDF document text
  • https://drivingschoolofnorthtexas.com/wp-content/plugins/formcraft/file-upload/server/content/files/1615451fda212b---56820720590.pdfIn PDF document text
  • https://yuktiedu.com/wp-content/plugins/super-forms/uploads/php/files/2151fcdc8430579d53cc2d32d594e345/budiwir.pdfIn PDF document text
  • http://bbmeti.it/userfiles/files/zanamulok.pdfIn PDF document text
  • https://landlorddebtadvisory.com/wp-content/plugins/super-forms/uploads/php/files/3d3226bc778a35ba3fdf5c8d2b06f8a0/minupiliwinixi.pdfIn PDF document text
  • http://reicar.dk/userfiles/file/10411074847.pdfIn PDF document text
  • https://ms02bet.net/contents/files/33883289497.pdfIn PDF document text
  • http://wronba.com/uploads/wysiwyg/file/68059835027.pdfIn PDF document text
  • http://szkolaprywatnaleszno.pl/userfiles/file/44008743474.pdfIn PDF document text
  • http://djk-winkel.de/images/uploads/file/mazebu.pdfIn PDF document text
  • https://rubi-gahtani.com/userfiles/file/kuzirofabi.pdfIn PDF document text
  • 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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