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
• Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE
  Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
• 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=how+to+open+the+zip+file+in+mobile PDF link annotation

  • http://myshopgroup.com/userfiles/files/6574478858.pdfIn PDF document text
  • https://butyfarm.mm520.net/userfiles/files/86665206437.pdfIn PDF document text
  • http://rootbeadmill.com/upload_fck/file/2021-9-6/20210906225157805274.pdfIn PDF document text
  • https://hsiaoying.com/userfiles/file/xebupexex.pdfIn PDF document text
  • http://www.thunderesp.com/ckfinder/ckfinder.htmlfiles/noxokurabudifujew.pdfIn PDF document text
  • https://gemma.lucien-sv.info/uploads/files/6135b14a77549.pdfIn PDF document text
  • https://shotclock.ca/wp-content/plugins/super-forms/uploads/php/files/64d8591551e092ef096c420613e39dbe/28692238728.pdfIn PDF document text
  • http://ekotop.eu/userfiles/file/12864759102.pdfIn PDF document text
  • http://avon-bratislava.sk/files/files/wedaxawojizatenaxupofem.pdfIn PDF document text
  • https://renault-service.com/userfiles/judunawapame.pdfIn PDF document text
  • http://jornalespacoaberto.com/app/webroot/datafiles/editor/files/26611341856.pdfIn PDF document text
  • http://www.rec39.ru/wp-content/plugins/super-forms/uploads/php/files/e6268c4163f9fac7c51183173ab1db0a/25656230489.pdfIn PDF document text
  • http://chothuexehochiminh.com/userfiles/file/7566648149.pdfIn PDF document text
  • http://shimamura-mail-order.com/userfiles/file/23053009282.pdfIn PDF document text
  • https://djhelaly.com/wp-content/plugins/super-forms/uploads/php/files/9dc4c52a48cb22dcab646355021d4937/gavuxosonuzowe.pdfIn PDF document text
  • https://altinhediyeler.com/calisma2/files/uploads/25867330412.pdfIn PDF document text
  • http://ginzaramen.us/uploads/files/gugaret.pdfIn PDF document text
  • http://le-lemniscus-incandescent.fr/ckeditor/upload/files/lobiwozinunowusudavek.pdfIn PDF document text
  • https://crcnueva.naturasoftware.com/uploads/images/files/jinewuros.pdfIn PDF document text
  • https://299-45.com/CKEdit/upload/files/jubofazunamofubetadezedub.pdfIn PDF document text
  • https://www.iieng.org/editor/ckfinder/userfiles/files/69195290741.pdfIn PDF document text
  • http://joy05.com/_UploadFile/Images/file/resuda.pdfIn PDF document text
  • https://hsdinstruments.nl/uploads/files/53393986645.pdfIn PDF document text
  • http://www.herbertvanderbrugghen.nl/draft/fotosutidasimatuni.pdfIn PDF document text
  • http://stroynerud-sm.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16137641cda2fe---31241159379.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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