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 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.
• Callback phishing phone lure medium SE_CALLBACK_LURE
  Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
• 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://lltsg.com/uploadfile/file///2021072013590238.pdf In PDF document text

  • https://gw21.ch/uploads/userfiles/file/1346472512.pdfIn PDF document text
  • http://driver-jazda.pl/upload/file/90662574403.pdfIn PDF document text
  • http://edgecs.net/documents/50514513650.pdfIn PDF document text
  • http://comicpapyrus.com/wp-content/plugins/super-forms/uploads/php/files/138122d796e2304866bf92ea26a7a1a4/vonag.pdfIn PDF document text
  • https://www.corridar.com/wp-content/plugins/super-forms/uploads/php/files/rdmh3r4gijcm45a5nltpom49nm/69431814605.pdfIn PDF document text
  • https://bloomlight.pl/_bloom/file/vulagoranam.pdfIn PDF document text
  • http://cementfeet.com/userfiles/file/51423511840.pdfIn PDF document text
  • https://asi-filter.pl/files/file/kivosazakowugaratuvefaja.pdfIn PDF document text
  • http://studiopetrilli.it/userfiles/files/47264860145.pdfIn PDF document text
  • http://bamila.vn/luutru/files/35831939603.pdfIn PDF document text
  • http://antifftech.com/uploadfile/file///2021060402014029.pdfIn PDF document text
  • http://klubbelgickychobrov.sk/editor_uploads/files/73922585364.pdfIn PDF document text
  • https://vinisfarm.com/wp-content/plugins/super-forms/uploads/php/files/ae9b3c7f0d9aa68c00c5e30be7a9769b/giwudopifibupax.pdfIn PDF document text
  • http://danies.ru/ckfinder/userfiles/files/xezomawikoxutozilevivesug.pdfIn PDF document text
  • http://runo34.ru/attachments/file/jogopuz.pdfIn PDF document text
  • https://www.auditek.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160b098068615f---zuzijoxozetozabotulizu.pdfIn PDF document text
  • http://global-gypsum.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c925ad08881---rekotadixasen.pdfIn PDF document text
  • https://1sis.com/wp-content/plugins/formcraft/file-upload/server/content/files/160be2485225b0---vabadovugevanilaz.pdfIn PDF document text
  • http://nomaquito-travel.com/editor-images/pelikojajofukod.pdfIn PDF document text
  • http://jl-vacuum.com/upload/files/soxumigapod.pdfIn PDF document text
  • http://saharun.org/uploads/ckfinder/userfiles/files/depakameziwavo.pdfIn PDF document text
  • http://www.ebsjosepirosamaria.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b79680dbf13---56710246305.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/BkSY9tpko7c/uplcv?utm_term=dampak+tenaga+kerja+asing+di+indonesia+pdfPDF 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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