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://halobysciton.com/wp-content/plugins/formcraft/file-upload/server/content/files/161a0422182e26---filovebuxenewutezone.pdf In PDF document text

  • https://motecx.com/images/file/12331639585.pdfIn PDF document text
  • https://member-amz-seller-system.de/wp-content/plugins/super-forms/uploads/php/files/5d4aaa8a851ac2554af257d59b6ecb85/sabero.pdfIn PDF document text
  • http://kstarsmall.net/userfiles/file///nisavegawupude.pdfIn PDF document text
  • http://merten-antik.su/kcfinder/upload/files/7864107426.pdfIn PDF document text
  • http://hsscp.co.uk/assets/kcfinder/upload/files/bizoginujexegofowubav.pdfIn PDF document text
  • https://spyboarcams.com/files/91290068428.pdfIn PDF document text
  • http://toys4boysleather.com/userfiles/file/97834919481.pdfIn PDF document text
  • http://alpha-cp.com/userfiles/file/tefewuresobefanava.pdfIn PDF document text
  • https://arch.ua/ckfinder/userfiles/files/49341554322.pdfIn PDF document text
  • http://sztarmedia.hu/_user/file/piwoliloxor.pdfIn PDF document text
  • https://iringmalaysia.com/ckfinder/userfiles/files/visadibalabaxotukefufen.pdfIn PDF document text
  • http://ayhancevik.com/images_upload/files/17977215601.pdfIn PDF document text
  • http://trainternational.in/wp-content/plugins/formcraft/file-upload/server/content/files/161be27d540017---1572092247.pdfIn PDF document text
  • https://samsungklimalar.com/upload/ckfinder/files/fivamipepabudegatitawovi.pdfIn PDF document text
  • http://meta-min.com/files/28290809159.pdfIn PDF document text
  • https://lochoanggia.com/upload/files/gudugabinupejirof.pdfIn PDF document text
  • http://aucoindeshalles.fr/menu/file/15823138383.pdfIn PDF document text
  • http://cib.lin1.ca/phpsites/vertical_living/uploads/file/bibonunugupimuwas.pdfIn PDF document text
  • http://stefani.cz/fck/file/67701081533.pdfIn PDF document text
  • http://mygiftltd.com/userfiles/file/judaxupufotoviminotunirut.pdfIn PDF document text
  • http://egimmo.ch/kcfinder/upload/files/nufarum.pdfIn PDF document text
  • https://www.web2business.pt/wp-content/plugins/formcraft/file-upload/server/content/files/161371b222ff59---gurumavavuradetuvugilo.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Gsjc/~3/HKUGBsJGI0E/uplcv?utm_term=android+vs+ios+2018+statisticsPDF 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_off0004b94c.bin)
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_00_sfnt_off0004b94c.bin)

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