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 to algorithmically-generated URL high PDF_RANDOM_URL_LINK
  PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
• 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.
• 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 http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613bcba55578b---77395363949.pdf In PDF document text

  • http://zhizhencn.com/filespath/files/20210910065740.pdfIn PDF document text
  • http://ximangsongthao.com/app/webroot/uploads/files/sunolotejaganilijofuwexa.pdfIn PDF document text
  • http://potentialdesign.cn/userfiles/file/1631246183.pdfIn PDF document text
  • http://soc-in.com/data/media/files/vibalunemamosojekoj.pdfIn PDF document text
  • http://suachuaspa.com/upload/images-content/files/jevaparape.pdfIn PDF document text
  • http://duancanhotot.com/upload/files/69685105948.pdfIn PDF document text
  • https://komunalno.vrgorac.hr/files/29681969639.pdfIn PDF document text
  • http://greece-ex.com/images/blog/file/gapanomu.pdfIn PDF document text
  • https://globalcareerclub.com/FCKeditor/userfiles/file/gumudowubesepi.pdfIn PDF document text
  • https://mamap.in/ci/userfiles/files/tuxevubixadi.pdfIn PDF document text
  • http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/681sb7nua5333bjj5u0o62hlv1/kigiterivujimepaba.pdfIn PDF document text
  • https://www.cdscabling.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1612fbfda366a7---86252840605.pdfIn PDF document text
  • http://krindustria.com.br/site/wp-content/plugins/formcraft/file-upload/server/content/files/161320decadd2c---43805075169.pdfIn PDF document text
  • https://yuktogel.com/contents/files/wokafobebol.pdfIn PDF document text
  • https://charming-dc.com/uploads/files/202109112137383731.pdfIn PDF document text
  • https://www.rapn.ru/ckfinder/userfiles/files/23194367090.pdfIn PDF document text
  • https://kiofruits.com/admin/uploads/files/gozevewomaposo.pdfIn PDF document text
  • http://lingeriedediva.com/UploadFile/file/2021090716232773499.pdfIn PDF document text
  • http://taxiluzern.ch/khurasan/userfiles/files/53512919708.pdfIn PDF document text
  • https://gulertrafik.com/wp-content/plugins/super-forms/uploads/php/files/478e5uva8gufdkaqk47golevp6/lagudizuvoxelodimamet.pdfIn PDF document text
  • http://eshop-kocicinadeje.cz/files/file/vapejiwu.pdfIn PDF document text
  • https://www.sevgiliyevideo.net/wp-content/plugins/formcraft/file-upload/server/content/files/1613968daf3ae6---20731444921.pdfIn PDF document text
  • http://www.kocay.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1614198d952394---girepelusosuka.pdfIn PDF document text
  • http://cachnhietcacham.vn/Images_upload/files/23548915822.pdfIn PDF document text
  • http://dataprint.ie/uploads/file/fuxomal.pdfIn PDF document text
  • https://konyaalotaksi.com/userfiles/file/1968916919.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/3CAf4wW3hvY/uplcv?utm_term=12th+bio+zoology+tamil+medium+bookPDF 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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