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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://laborke.ru/uplcv?utm_term=free+fire+wonderland+apk+2020+download PDF link annotation

  • https://loan-financial.com/wp-content/plugins/super-forms/uploads/php/files/5823e76c46b1a122187b574756f1238f/xaziwifow.pdfIn PDF document text
  • https://adesso-moosburg.de/images/file/75069148110.pdfIn PDF document text
  • http://stellarvvv.ru/ckfinder/userfiles/files/pekuvosidekuzim.pdfIn PDF document text
  • http://89928386.com/uploads/files/202109061029586455.pdfIn PDF document text
  • http://cungcapbaoduongcuanhatban.com/upload/files/mesowemugawazazirotetu.pdfIn PDF document text
  • https://cornwallstaffagency.com/userfiles/file/26356160661.pdfIn PDF document text
  • http://lagrupacio.cat/file/22297645044.pdfIn PDF document text
  • https://silverbirdmarketing.com/pages/images/file/nimixezegogopufide.pdfIn PDF document text
  • http://huabulaw.com/uploadpic/2021-9/file/2021091802331073499.pdfIn PDF document text
  • http://manavpublicschool.org/manav/userfiles/file/pufafixudezakafodufi.pdfIn PDF document text
  • http://terremeraude.com/userfiles/file/25027381345.pdfIn PDF document text
  • https://amursvoidom.ru/media/files/xakuxogosatogenapime.pdfIn PDF document text
  • http://mikailang.net/userfiles/file/20210905155146_980833588.pdfIn PDF document text
  • https://regalcabs.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/161307748e5911---kokebew.pdfIn PDF document text
  • http://zvaracskaskola.eu/editor_uploads/system/files/1272127582.pdfIn PDF document text
  • https://sharedsynergy.com/userfiles/file/fipemoxowenobip.pdfIn PDF document text
  • https://sumangold.net.vn/wp-content/plugins/super-forms/uploads/php/files/8ksi9nimoal2hpjjt3o9b96af5/2877210223.pdfIn PDF document text
  • https://horgaszvelem.hu/ckfinder/userfiles/files/makan.pdfIn PDF document text
  • https://gotoko.com/cmsv2/upload/files/patigos.pdfIn PDF document text
  • http://sofia-es.tokyo/yamituki-n/uploads/files/54996582065.pdfIn PDF document text
  • https://cissud.com/uploads/ck_editor/files/153159928.pdfIn PDF document text
  • https://lostsoulsmemorialnj.org/wp-content/plugins/super-forms/uploads/php/files/f27476a2b46597d6a44b46ea6e745bdb/70925340716.pdfIn PDF document text
  • http://studiolorenzoni.eu/userfiles/files/fonewokezax.pdfIn PDF document text
  • http://bayanairag.com/uploads/userfiles/files/15519304824.pdfIn PDF document text
  • http://szm.hu/userfiles/file/luwafulukinumajegi.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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