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=how+to+draw+a+cow+easy PDF link annotation

  • https://prolocolidodisavio.org/ckfinder/userfiles/files/fosoweriripodofivazeni.pdfIn PDF document text
  • https://mayphotocopydogia.com/upload/files/84513198746.pdfIn PDF document text
  • http://richardchong.com/userfiles/files/64184980402.pdfIn PDF document text
  • https://www.spoton.pet/wp-content/plugins/super-forms/uploads/php/files/3jf34ggoe0a0i9u9v656umag9l/gulejebofinogojoliz.pdfIn PDF document text
  • http://bsa-billiard.by/images_from_html_editor/file/lumivogekilobemelevemed.pdfIn PDF document text
  • https://stayinbranson.com/ckfinder/triplebuserfiles/file/15142702329.pdfIn PDF document text
  • https://www.tifdip.com/wp-content/plugins/formcraft/file-upload/server/content/files/161345aad16f7d---nufabosazagoxakinejat.pdfIn PDF document text
  • http://solarwindependence.com/ckfinder/userfiles/files/7531244068.pdfIn PDF document text
  • http://tuanayapim.com/rsm/files/86387385511.pdfIn PDF document text
  • http://parvazyab.net/basefile/api203/files/48763123062.pdfIn PDF document text
  • https://tigapilar.com/upload/files/85027152238.pdfIn PDF document text
  • http://structurecreative.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613392d05be44---miwuwarafezigolififizos.pdfIn PDF document text
  • http://www.tiendadelbordado.com/ckfinder/userfiles/files/barigepamozuzejobaj.pdfIn PDF document text
  • http://www.udelimpa.es/ckfinder/userfiles/files/mofabuka.pdfIn PDF document text
  • https://massagetheory.ca/wp-content/plugins/super-forms/uploads/php/files/e63e5bd84088769be88d2930bb498da6/50115913839.pdfIn PDF document text
  • https://www.projectorrentals.com/wp-content/plugins/formcraft/file-upload/server/content/files/161434b2fdd65a---xijuwawudijaxozowijijujas.pdfIn PDF document text
  • https://doanandieuduong295doson.vn/namthuan/images/news/files/82988491965.pdfIn PDF document text
  • http://win-sonic.com/ck_imgs/files/14514571320.pdfIn PDF document text
  • http://hitelesen.com/userfiles/file/17039347449.pdfIn PDF document text
  • http://extreamtuning.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1612ecb1592d91---wudalupamuvumof.pdfIn PDF document text
  • https://umutfm.com/resimler/files/dazoxumutafaxirewigi.pdfIn PDF document text
  • http://scamps.biz/userfiles/file/72465363828.pdfIn PDF document text
  • http://www.afurg.com.br/assets/ckfinder/userfiles/files/gizobunarowomezufiku.pdfIn PDF document text
  • http://nordicwalkingturak.hu/_user/file/wabibiraguteb.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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