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
• 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.
• 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://apparel.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/477f08558ac7f658ee9bc2148b8ff474/39154471152.pdf In PDF document text

  • https://lion-trading.co.uk/wp-content/plugins/super-forms/uploads/php/files/lre4mjuvg00ktm6897ruq36qkh/17222164708.pdfIn PDF document text
  • https://nowackleverkusen.de/wp-content/plugins/formcraft/file-upload/server/content/files/1608174ce45b61---bimegofumozukasap.pdfIn PDF document text
  • https://higher-reason.com/wp-content/plugins/super-forms/uploads/php/files/41ugb94nurd5tj7a0ed1mrl6fs/korigorizavanu.pdfIn PDF document text
  • http://vzwsportenmuziek.com/content_docs/gulirilidabagiwil.pdfIn PDF document text
  • http://www.maoles.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c8b64d50f83---tagomazidijulu.pdfIn PDF document text
  • https://charterfori.ir/basefile/charterforiir/files/30698223433.pdfIn PDF document text
  • http://beijinghuojia.cn/userfiles/file/29303685116.pdfIn PDF document text
  • https://alajuusa.ee/media/contents/file/15753538014.pdfIn PDF document text
  • http://folientastaturen.pl/_data/file/46877366530.pdfIn PDF document text
  • http://artistalexanderkanevskywinnerinternationalaward.com/clientMedia/file/bozikojafegusezigudotobex.pdfIn PDF document text
  • http://cabin4kids.org/clients/0/05/050cd0fff5f75fdfd14851583cc0de74/File/60139802314.pdfIn PDF document text
  • http://www.adanakursmerkezi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bcb6356db9b---63206987583.pdfIn PDF document text
  • http://toonesk.com/upload/29557030710.pdfIn PDF document text
  • https://aquafilling.com/userfiles/file/mepupefuginomefawavejola.pdfIn PDF document text
  • http://braintradingbcn.com/wp-content/plugins/super-forms/uploads/php/files/b86622c01b465f63f58699209a22e915/zewixanujaz.pdfIn PDF document text
  • https://choiceenergynetwork.com/wp-content/plugins/super-forms/uploads/php/files/c1c734c046a01e0e942e0de847171144/zufofozowu.pdfIn PDF document text
  • https://sdyh.gr/wp-content/plugins/super-forms/uploads/php/files/i705rk7k39g252nj0aa49c0b94/55310911734.pdfIn PDF document text
  • http://www.lnk-creation.fr/upload/file/mimobadunizedulutixum.pdfIn PDF document text
  • http://10glazsikeyrosa.ru/file/62089242795.pdfIn PDF document text
  • https://karapinarinsaat.net/userfiles/upload/file/23851079152.pdfIn PDF document text
  • https://studiogreenwich.ru/wp-content/plugins/super-forms/uploads/php/files/5c9c92d116837a006faad4c39acadb26/kudutoruradasetom.pdfIn PDF document text
  • http://enjoy.sk/editor_uploads/system/files/5926498841.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/PmAiG5ZyT-k/uplcv?utm_term=well+rounded+vegan+dietPDF link annotation
  • http://kioskcondoweb.wpengine.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c94bf631878---xopiwub.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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