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.
• 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.
• 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.
• 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://wirut.co.za/XSRYdR1H?utm_term=avast+antivirus+free+version PDF link annotation

  • https://ailani.org/wp-content/plugins/super-forms/uploads/php/files/329d7380a40d4ec3c110c7cb0d2d1269/jizemun.pdfIn PDF document text
  • http://balassalaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/193635481.pdfIn PDF document text
  • https://202x231x229x35.3gokushi.jp/uploads/files/95171521867.pdfIn PDF document text
  • https://cottonweb.net/userfiles/file/jetobesofozugolofolowej.pdfIn PDF document text
  • http://bursaceyizgelinlik.com/images_upload/files/vutusenubukuloberirakapa.pdfIn PDF document text
  • https://shiokuda2.com/contents/files/91262382622.pdfIn PDF document text
  • http://okinawa-touch.com/app/webroot/js/kcfinder/upload/files/vifarumikukojutu.pdfIn PDF document text
  • http://noithatdangcap.vn/app/webroot/uploads/files/40187044042.pdfIn PDF document text
  • http://www.cheapmotorcycleinsurancepa.com/wp-content/plugins/super-forms/uploads/php/files/44240ec68f76783b69a957c9d5b0804d/67157271498.pdfIn PDF document text
  • https://akdenizokullari.k12.tr/wp-content/plugins/super-forms/uploads/php/files/im8sthv8t1eup5c8b2j4ohur6s/wajepasami.pdfIn PDF document text
  • https://gs-hemeringen.de/ablage/userfiles/files/panoruxirefakijov.pdfIn PDF document text
  • http://platcometals.com/images/file/82398759791.pdfIn PDF document text
  • https://tideandtigers.com/ckfinder/userfiles/files/pezizizif.pdfIn PDF document text
  • http://solemarservizi.it/userfiles/files/kuganowusevan.pdfIn PDF document text
  • http://111-orte.com/testarea/cwsCMSlight/media/files/12701457794.pdfIn PDF document text
  • http://gsest.com.sa/ckeditor/kcfinder/upload/files/901264431.pdfIn PDF document text
  • http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/161eeb4f50606c---ferugepe.pdfIn PDF document text
  • http://cancunday.com/travela/img/files/beraxer.pdfIn PDF document text
  • https://xn-----6kcabagcgfjsxjciriy6alkh6a7aqk.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/0d8172130de2854b8f472be111127ab6/39572286476.pdfIn PDF document text
  • http://eastcity.hu/ufiles/file/lirotuzuwasajo.pdfIn PDF document text
  • https://kakvkusno26.ru/wp-content/plugins/super-forms/uploads/php/files/7c691b724a328f7123f8317fa1a06eca/57885231723.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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