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
• PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINK
  PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
• 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.
• Fake invoice / payment lure low SE_INVOICE_LURE
  Document contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
• 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://qualitycountscleaning.com/wp-content/plugins/super-forms/uploads/php/files/011d81b08669175ee3c08c406fb5957f/8369451753.pdf In PDF document text

  • https://franchisebusinessadvisors.franchisebrokerwebsites.com/broker-site/files/files/68058540503.pdfIn PDF document text
  • http://abwwilson.com/uploads/files/fatofa.pdfIn PDF document text
  • https://stewsites.com/wp-content/plugins/super-forms/uploads/php/files/7e5bfca43cea9bfbb3bcd31f4a516bc9/92059299031.pdfIn PDF document text
  • https://www.simcoerecovery.net/wp-content/plugins/super-forms/uploads/php/files/3lke4uqqhl4oomutqiqofm1auh/rifupenatozeje.pdfIn PDF document text
  • http://tenis-klubmoj.si/uporabnik/file/46686791859.pdfIn PDF document text
  • http://studiomarcheluzzo.it/userfiles/files/boropevis.pdfIn PDF document text
  • http://taxplus.in/images/contentimages/files/56459857974.pdfIn PDF document text
  • http://lotusromeo.fr/app/webroot/files/userfiles/files/bekozuninuwutisanavon.pdfIn PDF document text
  • https://wronba.pl/uploads/wysiwyg/file/4532875104.pdfIn PDF document text
  • http://securitydirect.it/wp-content/plugins/super-forms/uploads/php/files/66b69178af78935d2c899e432cf1650a/dozuvavol.pdfIn PDF document text
  • http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/pb187rbo58qm8fgtvmgbghafj2/motalevixipubigo.pdfIn PDF document text
  • http://walosports.cl/userfiles/file/49863179188.pdfIn PDF document text
  • http://asja-doll.ru/userfiles/file/26561808725.pdfIn PDF document text
  • https://ehlibeytalimleri.com/resimler/files/16336736658.pdfIn PDF document text
  • http://accurateverdicts.com/wp-content/plugins/formcraft/file-upload/server/content/files/161447d2924930---xakotede.pdfIn PDF document text
  • http://saiprogetti.net/userfiles/files/87159997280.pdfIn PDF document text
  • http://schokozentrale.de/idata/gikoditonosake.pdfIn PDF document text
  • http://gjbbang.com/userData/board/file/kewapevopikoruxi.pdfIn PDF document text
  • https://questyme.ca/userfiles/file/juguxamazapejeb.pdfIn PDF document text
  • http://arkystudio.eu/userfiles/files/63337134922.pdfIn PDF document text
  • http://omeofest.eu/userfiles/files/sezutivarizisila.pdfIn PDF document text
  • http://dakmoto.cz/obrazky/file/57240874809.pdfIn PDF document text
  • https://dynasty888.com/image/files/20210915_083713.pdfIn PDF document text
  • http://mrukseo.pl/userfiles/file/telubedakojawofeguxotabe.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/BvfzZFkJO3s/uplcv?utm_term=premier+employee+solutionsPDF 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 PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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