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.
• QR-code redirect lure medium SE_QR_LURE
  Document instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
• 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://krisoc.ru/uplcv?utm_term=iphone+10+qr+scanner PDF link annotation

  • https://cpsguffanti.it/uploads/file/guguluzu.pdfIn PDF document text
  • http://urbanconstructions.org/images/uploadedimages/file/zenipasatuzepaxubigipoka.pdfIn PDF document text
  • https://cms.blauraum.com/wp-content/plugins/super-forms/uploads/php/files/388852f50b97cc8d860027fab95697c1/60481012398.pdfIn PDF document text
  • https://eletroluz-al.com/_IMG/img_internas/file/86493761972.pdfIn PDF document text
  • http://thevisionkharj.com/userfiles/files/80968031220.pdfIn PDF document text
  • https://kalyna.ua/sites/default/files/userfiles/file/nikopazolo.pdfIn PDF document text
  • https://wroclawmodelshow.pl/ckfinder/userfiles/files/20583502851.pdfIn PDF document text
  • http://kgmda.com/upload/files/26794155284.pdfIn PDF document text
  • http://modamoda.nl/uploads/pic_lib/file/tekefusidawawovodavoxafid.pdfIn PDF document text
  • http://giaphatmed.com/upload/file/davipajuzetuzeked.pdfIn PDF document text
  • http://tarasovfabrika.ru/uploads/file/20429770817.pdfIn PDF document text
  • https://pelletier-tp.fr/ckfinder/userfiles/files/sufotevesiluwexeji.pdfIn PDF document text
  • https://www.syah.org/wp-content/plugins/super-forms/uploads/php/files/e1972a6e91375240f3fa584f8920488e/61934772703.pdfIn PDF document text
  • https://nslogisticservice.com/userfiles/files/tonugefila.pdfIn PDF document text
  • http://dakdekkersindex.nl/images/uploads/715511490.pdfIn PDF document text
  • https://www.grandiosa.is/wp-content/plugins/super-forms/uploads/php/files/v97vdcppo8oa5bl9qdsmisij12/45149449897.pdfIn PDF document text
  • http://brenno-tojestto.pl/userfiles/file/10871691178.pdfIn PDF document text
  • http://rockycheng.com/ckfinder/userfiles/files/11737219750.pdfIn PDF document text
  • http://torremaggiore.sitmap.it/files/files/94572962480.pdfIn PDF document text
  • http://2018.letnifestiwal.pl/ckfinder/userfiles/files/49431615827.pdfIn PDF document text
  • http://grawerlik.pl/userfiles/file/41978225500.pdfIn PDF document text
  • http://irpuyesh.com/cache/fck_files/file/68906514429.pdfIn PDF document text
  • https://cancelaria.pl/galeria/file/48428878106.pdfIn PDF document text
  • https://www.histoiresdegroupes.com/wp-content/plugins/formcraft/file-upload/server/content/files/16130bb845d821---28156573083.pdfIn PDF document text
  • http://mwbright.com/upload_fck/file/2021-9-16/20210916120712341219.pdfIn PDF document text
  • http://werkkledingverkoop.nl/images/docman/files/powut.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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