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://www.advids.co/wp-content/plugins/formcraft/file-upload/server/content/files/160b115006f48c---pafusetavuk.pdf In PDF document text

  • http://chaitraglaze.com/uploads/7066608399.pdfIn PDF document text
  • http://soepcentrale-dekeyser.be/userfiles/file/nademimokapazu.pdfIn PDF document text
  • http://hagelkonzept.de/userfiles/file/48918376931.pdfIn PDF document text
  • http://abwlargo.com/uploads/files/31314385309.pdfIn PDF document text
  • https://kurek-rowery.pl/user_pict/file/6157263279.pdfIn PDF document text
  • https://hsegroup.ru/wp-content/plugins/super-forms/uploads/php/files/6kkgciqa313ksp5rke0hdkusq2/21725481232.pdfIn PDF document text
  • https://oknoplus-omsk.ru/wp-content/plugins/super-forms/uploads/php/files/ea683fe2cf7bd900c6ee92638158ec6b/bobukogazejasaxijubet.pdfIn PDF document text
  • http://kurdumovldpr.ru/uploads/files/kejafemito.pdfIn PDF document text
  • http://rollfactorytogo.com/uploads/files/12177327252.pdfIn PDF document text
  • https://airbays.com/userfiles/file/96916453175.pdfIn PDF document text
  • http://zjhywt.com/images/upload/File/58672729878.pdfIn PDF document text
  • http://botosani.ro/img/uploads/file/xadosezakuvexoxatu.pdfIn PDF document text
  • https://www.ikedatosou.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607a766b9b4b2---14188513830.pdfIn PDF document text
  • https://pensiuneavalentina.ro/app/webroot/file/42587959635.pdfIn PDF document text
  • https://www.c2commercial.com/wp-content/plugins/super-forms/uploads/php/files/24294a5039094d1f937d7815bf2f9f11/kizajedux.pdfIn PDF document text
  • http://studioriggio.it/userfiles/files/fekewiwimepamojugitabema.pdfIn PDF document text
  • http://wsp.pl/userfiles/file/89704070554.pdfIn PDF document text
  • https://chmelo.hu/sites/default/files/file/85858308874.pdfIn PDF document text
  • https://atlasautoglass.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aca48ae540d---bekujasuvutoguzugobuvovo.pdfIn PDF document text
  • http://globalaircrafttech.com/ckupload/files/96090479830.pdfIn PDF document text
  • http://robalton.es/Albums/images/file///72961149.pdfIn PDF document text
  • https://lightspec.com/wp-content/plugins/super-forms/uploads/php/files/6278654bbc0a9ea81312ceabb0507085/doxoxexexenefesutadi.pdfIn PDF document text
  • https://rosewoodcity.org/nbloom/fckuploads/file/dedodoz.pdfIn PDF document text
  • https://lesfeesdelhetre.fr/upload/files/35565306289.pdfIn PDF document text
  • http://www.miamiairportlimo.net/wp-content/plugins/formcraft/file-upload/server/content/files/160844d610da63---wajumezelagesotoxajudibow.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/fzgW7-mxBc0/uplcv?utm_term=polymers+handwritten+notesPDF link annotation
  • 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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