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
• 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://synerhu.ru/uplcv?utm_term=droid+hardware+apk PDF link annotation

  • https://intervalhousehamilton.org/ckfinder/userfiles/files/65107223678.pdfIn PDF document text
  • http://www.greenfield-sustainability.com/images/files/mogijofavidakifi.pdfIn PDF document text
  • http://patronusalapitvany.hu/public_html/upload/sugugesijaruvapum.pdfIn PDF document text
  • https://tuabogadoangel.com/wp-content/plugins/super-forms/uploads/php/files/338b5cb9496249b09f43c17cc3ce1ed7/83977542194.pdfIn PDF document text
  • http://dongzzang.com/userfiles/file///verodorofanatutodenizu.pdfIn PDF document text
  • http://sparkpro.lv/content/file/bomijazemavagegelodiborug.pdfIn PDF document text
  • https://travels-ukraine.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613ad3501c977---98068195546.pdfIn PDF document text
  • http://boston.pl/fck_pliki/file/52379859282.pdfIn PDF document text
  • http://antasboru.com/guvennet/resimlerfiles/82568610610.pdfIn PDF document text
  • https://probidjp.com/ckfinder/userfiles/files/20210911_193440.pdfIn PDF document text
  • https://www.lorenzofranzone.it/wp-content/plugins/super-forms/uploads/php/files/fc1b752b709e99dca56a37871bafb5a6/bejalururumejuwus.pdfIn PDF document text
  • https://leanuslab.com/UserFiles/file/wimapofaniwu.pdfIn PDF document text
  • http://bsa-billiard.by/images_from_html_editor/file/79157629218.pdfIn PDF document text
  • https://kurishupally.org/userfiles/file/28117129734.pdfIn PDF document text
  • https://forexinc.ca/upload/editor/file/28784993863.pdfIn PDF document text
  • http://chicagohalo.com/wp-content/plugins/formcraft/file-upload/server/content/files/16138cf387bf30---tefuxipokiwezijegudiweji.pdfIn PDF document text
  • http://demkapi.com/resimler/files/dokozexi.pdfIn PDF document text
  • https://www.reparaciondebomba.com.ar/wp-content/plugins/super-forms/uploads/php/files/gnkcev68nsme4t38hmrkck7q80/suvimefofamibomabalukug.pdfIn PDF document text
  • https://rotitelor.com/contents/files/97066791158.pdfIn PDF document text
  • http://gzcil.com/uploadfile/files/wojolomenidodafabugi.pdfIn PDF document text
  • https://tiklatakip.com/calisma2/files/uploads/togawaresigewona.pdfIn PDF document text
  • https://xrtradingfeedback.com/cmsimages/file/51187049702.pdfIn PDF document text
  • https://www.speeddating.lt/speeddating/ckfinder/userfiles/files/nevojesek.pdfIn PDF document text
  • http://aftckwt.com/uploads/file/31234897272.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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