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://benhvienlaptop.biz/userfiles/file/44354871531.pdf In PDF document text

  • https://dernek.daynexdemo.tk/upload/ckfinder/files/41000949178.pdfIn PDF document text
  • http://xn--42-6kcdlkbomh7beggito5p.xn--p1ai/userfiles/file/pofuxibebomefamujakimanax.pdfIn PDF document text
  • http://zhongjiukeji.com/upload_fck/file/2021-12-13/20211213184855995096.pdfIn PDF document text
  • https://bticino-rozetki.su/kcfinder/upload/files/7240404273.pdfIn PDF document text
  • https://claphamjunction.com.au/wp-content/plugins/super-forms/uploads/php/files/9ffbe52735273631c61afd32cf539686/75786253477.pdfIn PDF document text
  • http://yeke.com.tr/public/kcfinder/upload/files/80320338630.pdfIn PDF document text
  • http://cappellastudio.it/userfiles/files/58682269827.pdfIn PDF document text
  • http://demirlermetal.com/resimler/files/39301079744.pdfIn PDF document text
  • https://edouardweil.com/userfiles/file/36086930533.pdfIn PDF document text
  • http://chromoink.com/updates/file/94038649606.pdfIn PDF document text
  • https://thefencedocumentary.com/adminfiles/file/zizurujelijojikabiva.pdfIn PDF document text
  • http://fortlauderdalelimorental.net/wp-content/plugins/formcraft/file-upload/server/content/files/160f7ef36899ba---6642470275.pdfIn PDF document text
  • https://www.hit-education.com/wp-content/plugins/super-forms/uploads/php/files/d7hnieq1m2ei2jv17rp1u5a60v/53853722715.pdfIn PDF document text
  • http://gzxmbx.com/uploadfile/file/2021092221452073499.pdfIn PDF document text
  • https://bursaphotofest.org/uploads/files/62648316725.pdfIn PDF document text
  • https://bigsao.com/kcfinder/upload/files/dogakesixulitelosusu.pdfIn PDF document text
  • https://optimuselearningschool.com/learning/site/images/uploadfiles/nigajakad.pdfIn PDF document text
  • http://songhakbbq.com/uploads/files/55357976949.pdfIn PDF document text
  • http://blueview.nl/app/webroot/files/userfiles/files/zilukija.pdfIn PDF document text
  • https://esterkins.de/ckfinder/userfiles/files/20912058626.pdfIn PDF document text
  • http://loscogliodifavignana.it/userfiles/files/5613746576.pdfIn PDF document text
  • https://hotelristorantenovecento.it/wp-content/plugins/super-forms/uploads/php/files/ba66beaf49966d0a0199037e8edb584a/kakeva.pdfIn PDF document text
  • https://auditorescr.com/ckfinder/userfiles/files/56593740963.pdfIn PDF document text
  • http://andlupa.com/userfiles/file/nejutuwoduwina.pdfIn PDF document text
  • https://savvybusiness.eu/klc/file/25159994016.pdfIn PDF document text
  • https://inlandautorepairmurrietaca.com/wp-content/plugins/super-forms/uploads/php/files/18f45f18946ba9bc33a5b17dafdc6f6a/70584238595.pdfIn PDF document text
  • http://permagnet.com/upload_files/file/211004062759194714zh7f3s.pdfIn PDF document text
  • https://millvalley.com/wysiwygfiles/file/13297937658.pdfIn PDF document text
  • https://er-cardiff.com/eurostyl/photos/file/13382840130.pdfIn PDF document text
  • http://www.ferm-matic.fr/upload/file/felikog.pdfIn PDF document text
  • https://eqonetech.com/upload/userfiles/files/67977411436.pdfIn PDF document text
  • https://eurochen.com/UpFiles/WebEditorFiles/file/zozumufelatunor.pdfIn PDF document text
  • https://podar.co.za/XSRYdR1H?utm_term=edgar+allan+poe+pdf+storiesPDF link annotation
  • http://www.nisbd.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613cb2d190b21---62031848925.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 extracted file (font_00_sfnt_off0004dbc6.bin)
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_00_sfnt_off0004dbc6.bin)

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