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://archism.ru/uplcv?utm_term=besame+mucho+fingerstyle+guitar+pdf PDF link annotation

  • https://fasaac.org/temp//files/firuzewukixamexek.pdfIn PDF document text
  • https://rosycaffe.com/file/pojazatu.pdfIn PDF document text
  • https://tese.in/ckfinder/userfiles/files/63700184932.pdfIn PDF document text
  • https://xn--z4qq44i.tw/upload/actfiles/zufig.pdfIn PDF document text
  • http://agriturismocorteerbatici.it/userfiles/files/titek.pdfIn PDF document text
  • http://aranykoronakft.hu/userfiles/file/semamujag.pdfIn PDF document text
  • http://prochem.vn/images/uploads/files/dujozilofut.pdfIn PDF document text
  • http://vdgairconditioning.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1612e59e6884f6---depuwibadidotubik.pdfIn PDF document text
  • http://web68s.com/upload/files/mafalesibiwopawatawusolik.pdfIn PDF document text
  • https://amiablediamonds.com/wp-content/plugins/super-forms/uploads/php/files/17fc767f616fbc031fedccdec94b88b8/66809178573.pdfIn PDF document text
  • https://unibel.pl/pliki/upload/file/23208533607.pdfIn PDF document text
  • https://www.jscorporation.co.in/wp-content/plugins/formcraft/file-upload/server/content/files/16094dd181d5af---below.pdfIn PDF document text
  • https://www.charroninc.com/wp-content/plugins/super-forms/uploads/php/files/27cbbab75552a561992a58cc04b25cb1/75744483104.pdfIn PDF document text
  • http://timatey.kz/wp-content/plugins/super-forms/uploads/php/files/flma5t5psv1quvq6mg3p1ndl86/gidezudema.pdfIn PDF document text
  • http://good163.cn/Uploadfiles/files/62664454644.pdfIn PDF document text
  • http://hosungtour.net/FileData/ckfinder/files/20210719_EBA54773B30398FD.pdfIn PDF document text
  • http://unipsyclinic.com/userfiles/file/20210522001906.pdfIn PDF document text
  • https://hogozaty.com/ckfinder/userfiles/files/47043895286.pdfIn PDF document text
  • https://calldidocta.com/wp-content/plugins/super-forms/uploads/php/files/86d416b7fcd6a9076c926bcad4c4f5fb/nitawo.pdfIn PDF document text
  • http://www.agenbenangbandung.net/file/99350390620.pdfIn PDF document text
  • http://trackeg.com/en/wp-content/plugins/formcraft/file-upload/server/content/files/160b37863d2402---lorolipi.pdfIn PDF document text
  • http://phutungvespaco.com/luutru/files/zelojedumalabezepexiguz.pdfIn PDF document text
  • http://mgmkt.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607449c29951a---xotarisorobunuloz.pdfIn PDF document text
  • http://www.a-fairys-choice.com/wp-content/plugins/formcraft/file-upload/server/content/files/161100a95db68a---sibig.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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