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
• Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINK
  PDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
• Malformed active-content stream length medium PDF_MALFORMED_EXPLOIT_STREAM_LENGTH
  A PDF stream that carries active/exploit-looking content has a declared /Length that does not match the recovered stream body. Malformed stream boundaries and length mismatches are common parser-evasion/supporting evidence around Reader exploit streams.
• 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.
• 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://xsteelstock.com/d/files/23811624515.pdf In PDF document text

  • http://chunzucn.yun2u.cn/upload/files/67370192667.pdfIn PDF document text
  • https://aarushimukhwas.idealviews.com/userfiles/files/bizez.pdfIn PDF document text
  • http://retroldn.com/userfiles/file/75157538558.pdfIn PDF document text
  • http://el-system.jp/uploads/2012/files/nobomujunojuwivaban.pdfIn PDF document text
  • http://www.mondzorgvesa-voorschoten.nl/wp-content/plugins/formcraft/file-upload/server/content/files/161b241008b27f---dutaguwe.pdfIn PDF document text
  • http://tichdiem.surecare.vn/uploads/userfiles/file/3930721336.pdfIn PDF document text
  • http://paneldeconso.com/userfiles/file/1169364124.pdfIn PDF document text
  • http://veitali.com/upload/files/83286106747.pdfIn PDF document text
  • http://poongdung.com/FileData/ckfinder/files/20211026_027E421DB192D73A.pdfIn PDF document text
  • https://conexus-study-abroad-travel.com/ckfinder/userfiles/file/rugaremoni.pdfIn PDF document text
  • http://chapraptti.org/userfiles/file/bunosawepasagilonez.pdfIn PDF document text
  • http://averon.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1618cceca68a91---48364721813.pdfIn PDF document text
  • https://bursakaynak.com/userfiles/file/zejomoz.pdfIn PDF document text
  • https://www.bouldersudbury.org/wp-content/plugins/formcraft/file-upload/server/content/files/1613bdc8bde936---92422890534.pdfIn PDF document text
  • http://coffeexclusive.com/kcfinder/upload/files/42085960993.pdfIn PDF document text
  • http://ulv-fogger.ru/d/files/fusitobup.pdfIn PDF document text
  • http://yuhenganquan.com/userfiles/file/20211110234311_723584978.pdfIn PDF document text
  • https://lifeskills4you.com/ckfinder/userfiles/files/66358687727.pdfIn PDF document text
  • http://lichnyiybrand.ru/wp-content/plugins/formcraft/file-upload/server/content/files/161de008b53ca7---78176809379.pdfIn PDF document text
  • http://ideal-site.ru/userfiles/file/8235071040.pdfIn PDF document text
  • https://inchirierielicopter.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1619fd7352e919---34013055641.pdfIn PDF document text
  • https://www.golddustdental.com/wp-content/plugins/formcraft/file-upload/server/content/files/161c37afbe1500---76001659548.pdfIn PDF document text
  • http://zulassung4you.de/bilder/file/95441882969.pdfIn PDF document text
  • http://vatlieulamnha.com/media/ftp/file/6201133901.pdfIn PDF document text
  • http://younewstoday.com/task/userimages/file/nosop.pdfIn PDF document text
  • https://atavio.ru/files/file/43504158047.pdfIn PDF document text
  • http://law885995.com/upload/fckimages/file/61732405288.pdfIn PDF document text
  • http://orvosvalaszto.hu/uploads/files/1696707601.pdfIn PDF document text
  • http://kdwatch.net/upload/files/2021111819335472.pdfIn PDF document text
  • http://qiuyutv.com/userfiles/files/20210910102811.pdfIn PDF document text
  • http://degeninhotel.ru/admin/ckfinder/userfiles/files/45173891753.pdfIn PDF document text
  • https://mmagame.com/userfiles/file/26711683184.pdfIn PDF document text
  • http://pecsimutargygaleria.hu/files/file/rupesujegalesinetizodanuw.pdfIn PDF document text
  • https://norin.co.za/XSRYdR1H?utm_term=korean+sheet+mask+for+acne+prone+skinPDF 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 extracted file (font_00_sfnt_off0005a084.bin)
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_00_sfnt_off0005a084.bin)

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