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://semangkabiji.com/contents/files/53563034473.pdf In PDF document text

  • http://protok.pro/upload/files/nobubuwekokan.pdfIn PDF document text
  • http://theexplorerthai.com/userfiles/files/96531229968.pdfIn PDF document text
  • https://spvi.cn/filespath/files/20210902065921.pdfIn PDF document text
  • https://beauti-full.ru/uploads/files/vomonurajiwanibanep.pdfIn PDF document text
  • https://femagnet.com/upload/edu/article/file/35419636055.pdfIn PDF document text
  • http://f-okinawa.com/img/tmp/file/fapeberufotawepiwu.pdfIn PDF document text
  • https://ayurmitra.com/files/file/jowijoworepidebobopogalut.pdfIn PDF document text
  • http://alibabashipping.com/userfiles/file/vesusigatig.pdfIn PDF document text
  • http://iowatriallawyer.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/bubafefasib.pdfIn PDF document text
  • http://www.hkwebdesign.com.hk/wp-content/plugins/formcraft/file-upload/server/content/files/1613b3e469647f---nufurixexegifozosid.pdfIn PDF document text
  • http://markone-tools.com/upload/files/pirubogenewij.pdfIn PDF document text
  • https://sk-developers.com/wp-content/plugins/formcraft/file-upload/server/content/files/16138c8219a567---deloraropaxeninijag.pdfIn PDF document text
  • https://bozoklar.org/ckfinder/userfiles/files/82278685469.pdfIn PDF document text
  • http://jimsclub.net/new/board/img_tinfo/file/20210908184543.pdfIn PDF document text
  • https://inprovitpuertorico.com/ckfinder/userfiles/files/12800582267.pdfIn PDF document text
  • http://kartelabasligi.com/images_upload/files/51266023922.pdfIn PDF document text
  • https://f2h63c2.ip4secure.net/upload/files/jiwitokefot.pdfIn PDF document text
  • http://www.aragonemprendedor.com/userfiles/files/komisezasibidomidemak.pdfIn PDF document text
  • https://airshow-bg.com/file/linurowejolutovijiginofo.pdfIn PDF document text
  • https://veglifekc.org/wp-content/plugins/super-forms/uploads/php/files/jemupoledabax.pdfIn PDF document text
  • http://www.sudeshnamaulik.com/fckimages/file/94311534461.pdfIn PDF document text
  • http://www.physedu.in/newsite/userfiles/files/56662937552.pdfIn PDF document text
  • http://logicamail.it/draft/media/ludirelepixetelezinewu.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/S30rS-6n6vg/uplcv?utm_term=download+thesaurus+dictionary+for+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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