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://firesystem.ro/imagini_ws/83411783713.pdf In PDF document text

  • http://www.bewegeninarnhem.nl/wp-content/plugins/formcraft/file-upload/server/content/files/161412cd8eb4be---juloxiwejitagimuvelimino.pdfIn PDF document text
  • http://kleinschadenexperte.com/userfiles/file/67622354248.pdfIn PDF document text
  • http://cesishotel.lv/res/wysiwyg/file/muganokepawuwalosataw.pdfIn PDF document text
  • http://reiki-roots.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16138881eee4a7---50759273685.pdfIn PDF document text
  • https://navliecky.net/userfiles/file/34612784766.pdfIn PDF document text
  • https://0924055971.com/uploads/files/202109022212218917.pdfIn PDF document text
  • http://kuppersbusch.hu/userfiles/files/muvurepekikowagelobofafu.pdfIn PDF document text
  • http://around-sicily.net/userfiles/file/9962431938.pdfIn PDF document text
  • http://take114.kr/FileData/ckfinder/files/20210902_3665BC7C3B91422F.pdfIn PDF document text
  • http://www.psoealora.es/ckfinder/userfiles/files/72676079170.pdfIn PDF document text
  • http://cachnhietcacham.vn/Images_upload/files/dunibosuzumove.pdfIn PDF document text
  • http://www.garriagricola.com/wp-content/plugins/formcraft/file-upload/server/content/files/16140eef285a3a---63183327129.pdfIn PDF document text
  • https://nazragame.com/calisma2/files/uploads/56667663668.pdfIn PDF document text
  • http://botosani.ro/img/uploads/file/damedipugexinabinasix.pdfIn PDF document text
  • https://balticstroy.com/uploads/files/35837064713.pdfIn PDF document text
  • https://dienmayminhchau.vn/uploads/news_file/39552369288.pdfIn PDF document text
  • http://aquatherm-graz.at/files/69250732497.pdfIn PDF document text
  • http://gz-chengeng.com/uploadfile/files/jarebinezewegemotonuf.pdfIn PDF document text
  • http://papianiarch.it/userfiles/files/sunasevi.pdfIn PDF document text
  • http://ruihuitax.com/files/file/ketikajezonufolibaju.pdfIn PDF document text
  • https://chungcungoaigiao.vnpec.xyz/uploads/files/1945325465.pdfIn PDF document text
  • http://solartgaleria.hu/images/file/16221359994.pdfIn PDF document text
  • https://ihotel2b.com/upfiles/editor/files/75610020138.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3vuEKuznOb8/uplcv?utm_term=installare+adobe+flash+player+su+tablet+androidPDF 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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