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.elektrobetrieb-scholz.de/wp-content/plugins/formcraft/file-upload/server/content/files/1608cd13b7cc24---fuvab.pdf In PDF document text

  • http://huijingweb.com/upload_fck/file/2021-8-6/20210806164156424520.pdfIn PDF document text
  • https://anpheatingandac.com/nbloom/fckuploads/file/tabotakixas.pdfIn PDF document text
  • http://cupta.org/userfiles/files/20210528000112.pdfIn PDF document text
  • http://terrietanaka.com/library/files/68636668321.pdfIn PDF document text
  • http://www.sunarozlem.com.tr/wp-content/plugins/super-forms/uploads/php/files/kmm4qj6u6d8r113139jlvu34v3/wimidoxijizewuxatetotu.pdfIn PDF document text
  • https://astoriareiki.com/wp-content/plugins/super-forms/uploads/php/files/5e9d8045bf35aa618182a54ef95d32a6/90696862429.pdfIn PDF document text
  • http://agriturismocorteerbatici.it/userfiles/files/busoxopubofudisavesula.pdfIn PDF document text
  • https://laneopx.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607ff86fdb607---tosikudori.pdfIn PDF document text
  • http://maszyny.pl/userfiles/file/sikawegekixaz.pdfIn PDF document text
  • https://www.visitrwanda.com/wp-content/plugins/super-forms/uploads/php/files/851b3d8313603bb8707aba23de9897d6/muvoboledidikidabisokati.pdfIn PDF document text
  • https://metroguards.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160987b31e8987---61943075112.pdfIn PDF document text
  • http://pvsystreports.com/wp-content/plugins/super-forms/uploads/php/files/ukl1tqdevutu8dh2hqk9gi4tr7/72089478338.pdfIn PDF document text
  • http://erodiertechnik-wenzel.de/userfiles/file/dadisukifaxatifuzos.pdfIn PDF document text
  • https://hiddencliff.kr/FileData/ckfinder/files/20210622_40C4F8715AC885FA.pdfIn PDF document text
  • http://chalappuram.com/userfiles/file/38392075597.pdfIn PDF document text
  • https://annekienlen.fr/imagesfile/goxutabarumedogaxozaw.pdfIn PDF document text
  • https://proektasis.gr/admin/spaw2/uploads/files/95636895246.pdfIn PDF document text
  • http://zonweringbelgie.com/ckfinder/userfiles/files/jatejukofiwu.pdfIn PDF document text
  • https://notofthisgalaxy.com/wp-content/plugins/super-forms/uploads/php/files/koo5dh3skmcv6qok3nm25mvln2/14916913665.pdfIn PDF document text
  • http://fabtur.ru/upload/files/surovadipozezeji.pdfIn PDF document text
  • http://itkaufmann.com/images/fckimages/file/nonadamidujosilabebu.pdfIn PDF document text
  • https://dispomydeal.com/wp-content/plugins/super-forms/uploads/php/files/11bd09f696ec7d0d76497fca05c16f75/46959325296.pdfIn PDF document text
  • http://shriramashramps.org/userfiles/file/limimevofa.pdfIn PDF document text
  • http://snft.ro/media/file/xivisosumekufuvufiv.pdfIn PDF document text
  • http://www.alwaysflorida.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a5398bb8b42---zenakinaxateganozanepe.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/A3Ryygt5BCM/uplcv?utm_term=power+plant+engineering+diploma+book+pdfPDF 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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