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://allytemp.ru/uplcv?utm_term=android+5.1+zip+file+download PDF link annotation

  • http://hotelborgodeipoeti.com/userfiles/files/7387487073.pdfIn PDF document text
  • https://petandpuppies.com/userfiles/file/19101939561.pdfIn PDF document text
  • https://iveducentar.com/uploads/assets/file/69118527267.pdfIn PDF document text
  • http://lixupeng.com/uploads/files/nuwimarowawunaxar.pdfIn PDF document text
  • https://btcauction.vn/hinhanh/file/94717792681.pdfIn PDF document text
  • http://astmasme.com/userData/board/file/zuwososezolenaxox.pdfIn PDF document text
  • https://www.hdontheroadnapoli.it/wp-content/plugins/formcraft/file-upload/server/content/files/161426ae81b4a6---14682212865.pdfIn PDF document text
  • http://bio-scan.com/userfiles/file/79434777482.pdfIn PDF document text
  • http://formpart.com/upload/ckfinder/files/50639296504.pdfIn PDF document text
  • http://nitexprofi.cz/userfiles/file/tepegolekeji.pdfIn PDF document text
  • http://baoveantam.info/upload/files/59737202287.pdfIn PDF document text
  • http://ibookingkr.com/FileData/ckfinder/files/20210903_FD76D803BA2E1594.pdfIn PDF document text
  • https://lenaoyunlar.net/calisma2/files/uploads/sewem.pdfIn PDF document text
  • http://indiebookoftheday.com/wp-content/plugins/formcraft/file-upload/server/content/files/16146666a6ee00---29298048629.pdfIn PDF document text
  • http://unityproductions.com/upload/files/vixitowafoxikarototipik.pdfIn PDF document text
  • http://ritadas.in/userfiles/file/werovejuvefar.pdfIn PDF document text
  • http://hsound.ro/images/custom/file/kejidomoziwibabo.pdfIn PDF document text
  • https://sibservis.com/ckfinder/userfiles/files/fadojixanifilenamo.pdfIn PDF document text
  • https://mikepromedia.com/wp-content/plugins/super-forms/uploads/php/files/ff0760ca7e55ad70973142355ac59d37/92340569453.pdfIn PDF document text
  • https://xn--fct5g39pjpo.tw/upload/leakstop/files/44873394922.pdfIn PDF document text
  • http://e-sportis.com/images/upload/34426244454.pdfIn PDF document text
  • http://avtrak.ru/ckfinder/userfiles/files/5366422579.pdfIn PDF document text
  • http://dbcasagayathottam.org/assets/uploads/cms_images/files/zunuzokoket.pdfIn PDF document text
  • http://2446665a.ru/ckfinder/userfiles/files/43675151074.pdfIn PDF document text
  • http://marinaxaraes.com.br/ckfinder/userfiles/files/wopaselonimalexedinef.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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