Malicious PDF — malware analysis report

Heuristics 8

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LURE
  PDF has 1 image(s), only 0 text block(s), carries a click-outward action, and is only 69 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
• 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://krisoc.ru/uplcv?utm_term=tabs+guitarra+electrica+pdf PDF link annotation

  • https://www.duffylighting.com/wp-content/plugins/super-forms/uploads/php/files/ba19a2d08cc292c54c310be0718e76ce/29170623566.pdfIn PDF document text
  • http://saludocupacionalpso.com/home/wp-content/plugins/formcraft/file-upload/server/content/files/1608779e27ac20---xozukego.pdfIn PDF document text
  • http://copy-office.it/userfiles/file/viwofagapatefekarobafumam.pdfIn PDF document text
  • http://brlairport.com/images/file/kugawafozubukeren.pdfIn PDF document text
  • http://melissajacksonmd.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608d4e9005d99---96607049838.pdfIn PDF document text
  • http://candemdientu.com/Images_upload/files/95627336099.pdfIn PDF document text
  • http://thedewakohchang.com/image/upload/File/9628521472.pdfIn PDF document text
  • https://premiersuli.hu/files/files/24403421374.pdfIn PDF document text
  • https://rosewoodcity.org/nbloom/fckuploads/file/12698914477.pdfIn PDF document text
  • http://xn--9n2bn9mz3aba29g44r4o0a.kr/fckeditor/userfiles/image/87925700931.pdfIn PDF document text
  • https://agsposure.org/wp-content/plugins/super-forms/uploads/php/files/6da53c7930a166320c49c4404008838f/bibopimuduwobano.pdfIn PDF document text
  • http://totalfinance.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160864fa93540c---gosawudowasom.pdfIn PDF document text
  • https://rh-h1tapi-turbo.com/contents//files/nukasebujexotemise.pdfIn PDF document text
  • http://ohmytour.kr/FileData/ckfinder/files/20210630_63C2C307E4732902.pdfIn PDF document text
  • http://gingerwooddesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b4f00c7c34b---44185343854.pdfIn PDF document text
  • https://textmakareknutsson.se/upload/image/20061044617.pdfIn PDF document text
  • https://asiaviews.org/wp-content/plugins/super-forms/uploads/php/files/u573jv719s2k8cardmj1c3nji0/3169728695.pdfIn PDF document text
  • https://sancarspune.com/wp-content/plugins/super-forms/uploads/php/files/bc27691dd600e96ba17dc2ea2516fa03/86737500391.pdfIn PDF document text
  • https://basisangka.com/contents//files/betijukix.pdfIn PDF document text
  • http://skyrunarser.com/js/fckeditor/editor/filemanager/connectors/php/connector.php/upfiles/file/210620125335462533ji0omh.pdfIn PDF document text
  • http://growlink.biz/userfiles/file/70590251299.pdfIn PDF document text
  • http://ateliergermain.net/sites/default/files/file/97532113361.pdfIn PDF document text
  • http://aiswaryamatrimonials.com/fck_uploads/file/29382788267.pdfIn PDF document text
  • http://01host.ru/userfiles/files/xisozowofiru.pdfIn PDF document text
  • http://ventilyatsia-v-sochi.ru/ckfinder/userfiles/files/xibazoporunopajejezapema.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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