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
• QR business-process phishing lure high SE_QR_BUSINESS_PROCESS_LURE
  Document asks the recipient to scan a QR code in an HR, payroll, compensation, employee-handbook, DocuSign, or business-signature workflow. This is a high-signal quishing/social-engineering pattern even when the QR payload cannot be decoded statically.
• 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.
• Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
  Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. 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://technoauto.jp/js/upload/files/63673028837.pdf In PDF document text

  • http://sov.tranovice.org/webpagebuilder/ckfinder/userfiles/files/xagisadowubexef.pdfIn PDF document text
  • http://marcobernini.it/userfiles/files/wuzesosomekivuzej.pdfIn PDF document text
  • http://instalater-macecek.cz/klienti/devel/sneznerolby.cz/ckfinder/userfiles/files/rovatokokixejoz.pdfIn PDF document text
  • https://sumangold.net.vn/wp-content/plugins/super-forms/uploads/php/files/eqnbpsqq5mrr9v34pg4nju3e9u/60929105317.pdfIn PDF document text
  • https://arerp.kr/data/file///43175695624.pdfIn PDF document text
  • http://hnhappiness.com/d/files/rixejasere.pdfIn PDF document text
  • http://charmingcurls.se/upload/file/bepenamonitekagewizugijow.pdfIn PDF document text
  • http://premiumdrinks.eu/userfiles/vavolujowubikirogepo.pdfIn PDF document text
  • https://albawadiroad.com/userfiles/files/51476353113.pdfIn PDF document text
  • https://chicagoportablexray.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614e9e59ab33a---39788725029.pdfIn PDF document text
  • https://gyn-koe70.de/obrazky/file/nebisomid.pdfIn PDF document text
  • https://codefon2.solar-napkollektor.hu/js/ckfinder/userfiles/files/bojomutopo.pdfIn PDF document text
  • http://www.jindatunnel.com/up_files/file/35762205599.pdfIn PDF document text
  • http://blackivy.pl/userfiles/file/tifefobexopudu.pdfIn PDF document text
  • http://massimosusto.eu/userfiles/files/jelilo.pdfIn PDF document text
  • https://certifiedmoversinc.com/wp-content/plugins/super-forms/uploads/php/files/a49feeaa7aad3f8574e0b7bd2f3ea5f4/42961524979.pdfIn PDF document text
  • http://el-master.ru/userfiles/file/94498595679.pdfIn PDF document text
  • http://www.stsmcc.org/www/js/ckfinder/userfiles/files/87950209496.pdfIn PDF document text
  • http://asalsold.com/wp-content/plugins/formcraft/file-upload/server/content/files/1615ef32fa3aa0---kitolijut.pdfIn PDF document text
  • http://tattooindex.nl/images/uploads/puzog.pdfIn PDF document text
  • http://slowjamsundays.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614aee33ee26c---guvizodezubuki.pdfIn PDF document text
  • http://stmarysharipad.com/userfiles/file/tevafiwujixudovagawedas.pdfIn PDF document text
  • https://catamma.ru/uplcv?utm_term=primary+source+of+energy+in+an+ecosystem+isPDF link annotation
  • http://koreaseowon.com/ckupload/files/91992217575.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_off0000fdd3.bin)
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_00_sfnt_off0000fdd3.bin)

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