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
• QR business lure with obfuscated text critical PDF_QR_BUSINESS_LURE_OBFUSCATED_TEXT
  PDF contains a QR-like image and business-process scan instructions that only match after removing invisible Unicode control characters. This indicates deliberate text obfuscation in a QR phishing lure rather than a normal QR code.
• QR-code business verification phishing lure high PDF_QR_PHISHING_LURE
  PDF contains a QR-like image and visible text instructing the recipient to scan or use a QR code for verification, HR, payroll, policy, email, signature, or similar business-process activity. This is a high-signal quishing pattern even when the PDF has no active JavaScript or URI action.
• 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.
• 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://karlschool.org/uploads/files/202202272248446850.pdf In PDF document text

  • http://senvietsystem.com/ckeditor/upload/files/36394406889.pdfIn PDF document text
  • http://entrackintl.com/uploads/xufivilalugufewiretelaxe.pdfIn PDF document text
  • http://transchem-tech.com/Uploadfiles/files/60044563520.pdfIn PDF document text
  • http://barcodeegypt.com/public/kcfinder/upload/files/fegikafiv.pdfIn PDF document text
  • https://kme.pl/global/app/webroot/uploads/file/16437309191077.pdfIn PDF document text
  • https://geekers.tw/upload/file_folder/file/6339141604.pdfIn PDF document text
  • http://xn--3e0b556bhrbowi6undva.com/ckupload/files/suvedipinid.pdfIn PDF document text
  • http://albina.jp/kcfinder/upload/files/divawosuxagiraxiwowares.pdfIn PDF document text
  • http://nfc-lampang.com/user_img/files/34762339621.pdfIn PDF document text
  • https://samsungklima.net/upload/ckfinder/files/53393495850.pdfIn PDF document text
  • http://ebiddex.com/kcfinder/upload/files/jezutimepirogar.pdfIn PDF document text
  • https://companydemo.opusviewdev.com/app/webroot/js/image/files/73376589564.pdfIn PDF document text
  • https://asiapharma.la/files/files/mirujivojukadodede.pdfIn PDF document text
  • https://kecweleri.kendalkab.go.id/kcfinder/upload/files/85793784784.pdfIn PDF document text
  • http://teleinwestor.pl/userfiles/file/tifixugibovaro.pdfIn PDF document text
  • http://eske.hu/wp-content/plugins/formcraft/file-upload/server/content/files/16201b0d546e8d---84770733556.pdfIn PDF document text
  • https://www.c2commercial.com/wp-content/plugins/super-forms/uploads/php/files/2910e9973ae0e0f1d81b4bd530ee0485/morofopopedowapa.pdfIn PDF document text
  • http://www.cddfct.com/up_files/file/gerosusupewaju.pdfIn PDF document text
  • https://srldirect.com/ckfinder/userfiles/files/moremoromuzanofewotape.pdfIn PDF document text
  • https://chilepools.com/contents/files/79557479620.pdfIn PDF document text
  • http://cafesezony.ru/fck_editor_files/files/vapimawiremapewobiv.pdfIn PDF document text
  • http://extreamtuning.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1621b57ac89fdb---libup.pdfIn PDF document text
  • https://www.prowallpanama.com/wp-content/plugins/super-forms/uploads/php/files/0db5bed83314b7d9faf91d6a25257f2d/40676614129.pdfIn PDF document text
  • https://sweetestspaparty.com/wp-content/plugins/formcraft/file-upload/server/content/files/162358333a4747---91392614366.pdfIn PDF document text
  • http://2rent.gr/userfiles/file/zoxav.pdfIn PDF document text
  • http://niktid.ru/userfiles/file/84096101188.pdfIn PDF document text
  • http://dlevitin.ru/fck_editor_files/files/50762403468.pdfIn PDF document text
  • http://divorceinhungary.hu/kcfinder/upload/files/55122168166.pdfIn PDF document text
  • https://fecuq.co.za/XSRYdR1H?utm_term=offline+chess+game+app+freePDF 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_off00044c2f.bin)
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_00_sfnt_off00044c2f.bin)

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