Malicious PDF — malware analysis report

Heuristics 8

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
  Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
• 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.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• 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://loheb.co.za/XSRYdR1H?utm_term=assembly+language+for+x86+processors+free+pdf+editor+downloads PDF link annotation

  • http://bezpiecznamlodosc.org/files/file/76184169393.pdfIn PDF document text
  • https://lowedigumatogis.weebly.com/uploads/1/3/7/5/137518749/beredu_rawisudewusapa.pdfIn PDF document text
  • https://senovetesu.weebly.com/uploads/1/3/4/7/134710525/tipuxifo.pdfIn PDF document text
  • https://zitenimed.weebly.com/uploads/1/3/1/3/131383388/7768f6ef65a7.pdfIn PDF document text
  • http://caerulumpharma.com/upload/files/93960971227.pdfIn PDF document text
  • https://letonezesuju.weebly.com/uploads/1/3/1/3/131383444/lidolekelejofa_dowuwulola.pdfIn PDF document text
  • http://agrimal.pl/userfiles/file/85632812488.pdfIn PDF document text
  • https://bongkartuantakur.com/contents/files/51175095303.pdfIn PDF document text
  • http://medigroupvn.com/upload/files/20527507260.pdfIn PDF document text
  • http://atdawnwelift.com/userfiles/file/57547978977.pdfIn PDF document text
  • https://araprinter.com/ckfinder/userfiles/files/68586430054.pdfIn PDF document text
  • https://zd-zeta.com/uploads/files/202204121344023607.pdfIn PDF document text
  • https://nudiwowakik.weebly.com/uploads/1/4/1/4/141492024/c622ea8aa.pdfIn PDF document text
  • https://wadoruzog.weebly.com/uploads/1/3/1/3/131379034/lajekejuzoge.pdfIn PDF document text
  • http://carlaschroyen.com/content_docs/81549439379.pdfIn PDF document text
  • https://kapegidaboxisi.weebly.com/uploads/1/3/4/5/134527108/51f105.pdfIn PDF document text
  • http://clearlakesd.org/wp-content/plugins/formcraft/file-upload/server/content/files/16211b9b1bf5d7---wowegisamodazakitaroxa.pdfIn PDF document text
  • https://beripoxepi.weebly.com/uploads/1/3/5/3/135325525/dobojid_mopogegivaxawit_tajebakav.pdfIn PDF document text
  • https://wojegapemepuwa.weebly.com/uploads/1/3/4/0/134096127/ranatulebapike.pdfIn PDF document text
  • https://alarouba.com/ckfinder/userfiles/files/65959996723.pdfIn PDF document text
  • https://dugezuwodovapa.weebly.com/uploads/1/3/0/8/130874298/wizuvofaroru.pdfIn PDF document text
  • http://studiodelcorso.eu/userfiles/files/12669884227.pdfIn PDF document text
  • https://nagiwavimev.weebly.com/uploads/1/3/4/6/134612684/kobetake.pdfIn PDF document text
  • http://dainichiji.com/upload_ckr/files/45371029213.pdfIn PDF document text
  • https://jopikivapanip.weebly.com/uploads/1/3/4/8/134854077/fcb4e7c.pdfIn PDF document text
  • https://numomepezudoti.weebly.com/uploads/1/3/4/3/134320197/mokubojomunale.pdfIn PDF document text
  • http://cauthangdep24h.com/upload/files/zijamowobe.pdfIn PDF document text
  • http://comfortreality.sk/userfiles/file/gejuzunevobowifiw.pdfIn PDF document text
  • https://fotobolfestmeny.hu/mvc/userfiles/file/78924060882.pdfIn PDF document text
  • https://www.trungtammaychieu.com/ad-min/js/libs/kcfinder/upload/files/fowimolul.pdfIn PDF document text
  • https://dobakilulujafej.weebly.com/uploads/1/3/7/5/137507855/93b9468ea7e7.pdfIn PDF document text
  • https://jotipipadazazo.weebly.com/uploads/1/3/4/3/134319758/8686535.pdfIn PDF document text
  • http://boschvietnam.vn/files/usersfiles/files/51690049166.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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