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 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://cructi.ru/uplcv?utm_term=how+to+get+rid+of+all+viruses+on+your+phone PDF link annotation

  • http://pcserviszlin.cz/ckfinder/userfiles/files/lalupuxinonewarudabupe.pdfIn PDF document text
  • https://cananalimdar.com/wp-content/plugins/super-forms/uploads/php/files/9ia18j94ag12jlui13mu6no1ht/92136909367.pdfIn PDF document text
  • https://classconnbio.com/img-jacson/files/96864959315.pdfIn PDF document text
  • https://www.cfo-search.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608aba0a3cf6a---419450648.pdfIn PDF document text
  • http://www.bewegeninarnhem.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160b8a44aa4953---minedow.pdfIn PDF document text
  • http://seteo-dechets.com/images/file/70926749913.pdfIn PDF document text
  • http://ekotop.eu/userfiles/file/negiwugusaxenok.pdfIn PDF document text
  • https://living-stone.lu/userfiles/files/siwametuxefenit.pdfIn PDF document text
  • http://www.theagentpipeline.com/wp-content/plugins/formcraft/file-upload/server/content/files/160acff6c5f24b---mifulomusefipuvujoga.pdfIn PDF document text
  • https://jgmurphy.com/wp-content/plugins/super-forms/uploads/php/files/ab369b0c5248ff35535c243123260966/nafavetanuvawalasired.pdfIn PDF document text
  • http://al-bandak.com/userfiles/file/rolavazu.pdfIn PDF document text
  • https://thejasmineway.net/wp-content/plugins/super-forms/uploads/php/files/80fvos82jr5iahktbb0hclec53/dosexibiwisejude.pdfIn PDF document text
  • https://eyestech.in/wp-content/plugins/super-forms/uploads/php/files/4fuldgohhrhshh6rr0iuc03dlp/80882245534.pdfIn PDF document text
  • https://marljivo.hr/userfiles/file/bozokenasapiwubanate.pdfIn PDF document text
  • https://sellerflows.com/wp-content/plugins/super-forms/uploads/php/files/a6e8a2fe40f48f55db05bad3ee4840c2/85081889306.pdfIn PDF document text
  • http://teifsepahan.com/files/file/jeburawefobilavogowe.pdfIn PDF document text
  • https://g-ortho.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a12e067c5b7---xulojokane.pdfIn PDF document text
  • https://fnb-concepts.com/images/uploads/files/belutawonugavitiwubu.pdfIn PDF document text
  • http://gibisch.biz/files/files/10858046835.pdfIn PDF document text
  • https://frennphotography.com/wp-content/plugins/formcraft/file-upload/server/content/files/160775393d564c---nuxudujefavovajaro.pdfIn PDF document text
  • https://www.mii.net/wp-content/plugins/super-forms/uploads/php/files/ca7780e88db47e66da540717e7029bf3/disonivilusemiwipex.pdfIn PDF document text
  • http://opakowania-loga.pl/zdjecia/fotki/file/zasowosuluvugaluvadutuwin.pdfIn PDF document text
  • https://saam.vn/images/content/file/12334643797.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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