Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• Recovery secret / private key request critical SE_SECRET_RECOVERY_LURE
  Document requests recovery phrases, private keys, backup codes, or saved passwords. Requests for these secrets in a document are high-risk.
• 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://crewmak.ru/uplcv?utm_term=digital+sign+pdf+documents+with+php PDF link annotation

  • https://najarshi.com/basefile/najarshicom/files/bisixejurisakuviri.pdfIn PDF document text
  • https://mvpartners.be/images/uploadedimages/file/biladawututirize.pdfIn PDF document text
  • http://ohxto.com/uploaded_files/userfiles/files/xuxovarovanututalanu.pdfIn PDF document text
  • http://www.heksan.com.pl/file/3372320708.pdfIn PDF document text
  • http://vilniausgreziniai.lt/userfiles/file/pukijoturovu.pdfIn PDF document text
  • http://www.barankayalar.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/16090c3ce1083d---8133918329.pdfIn PDF document text
  • https://rffsev.ru/wp-content/plugins/super-forms/uploads/php/files/78bf20a84887d2ec7234f234280d66bd/84965448998.pdfIn PDF document text
  • http://tubietelbar.hu/uploadfile/34107565864.pdfIn PDF document text
  • http://www.191seo.com/wp-content/plugins/formcraft/file-upload/server/content/files/16086e225dec43---12541301573.pdfIn PDF document text
  • http://chi-kara.net/userfiles/file/79997111306.pdfIn PDF document text
  • https://www.adcgrain.com/wp-content/plugins/super-forms/uploads/php/files/bbf8c70b4cae4f382ef4e3ecdd23f385/zopuzu.pdfIn PDF document text
  • https://baoholaodong24.com/userfiles/file/mivilukava.pdfIn PDF document text
  • http://goodmax.ru/i/files/wivunawajixa.pdfIn PDF document text
  • https://keyseries.us/userfiles/file/pojavukijegifo.pdfIn PDF document text
  • http://makaeximworld.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e380f1b5a76---82525109050.pdfIn PDF document text
  • http://wirheiraten.de/images/file/tuvalavopewowono.pdfIn PDF document text
  • http://placc.info/up_image/kuwokerar.pdfIn PDF document text
  • https://viboot.com/ckfinder/userfiles/files/10863956426.pdfIn PDF document text
  • http://lotuscourtpune.com/wp-content/plugins/super-forms/uploads/php/files/jorgl644n973jm5n015c0opht7/57149669140.pdfIn PDF document text
  • http://gillsandgeckos.com/userfiles/file/71382479880.pdfIn PDF document text
  • https://kfz-gutachter-oliver-schiller.de/wp-content/plugins/formcraft/file-upload/server/content/files/1609a6073b8be9---67527628623.pdfIn PDF document text
  • https://www.geya99.com/ckfinder/userfiles/files/xedegonumelasebuxexi.pdfIn PDF document text
  • https://kawanmto.net/contents/files/fokitonaxitew.pdfIn PDF document text
  • http://duda-tech.pl/dudatech/upload/file/68986373615.pdfIn PDF document text
  • http://officegate.biz/admin/fck_upload/file/54611739653.pdfIn PDF document text
  • https://parkettworld.com/upload/files/87572100278.pdfIn PDF document text
  • http://bitite.lv/media/txt/122/file/840840664.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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