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.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• 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+clear+tabs+on+android PDF link annotation

  • http://baaningdoi.com/file_media/file_image/file/xifuj.pdfIn PDF document text
  • http://ediljolli.com/userfiles/files/nejajoxapipujur.pdfIn PDF document text
  • https://www.hit-education.com/wp-content/plugins/super-forms/uploads/php/files/kbhj961o4kda11blc04olhb6nq/66446736374.pdfIn PDF document text
  • http://geose.ru/userfiles/file/jilijuxuzava.pdfIn PDF document text
  • http://clinivetmadonnadirosa.eu/userfiles/files/58139735390.pdfIn PDF document text
  • https://lasanisports.com/files/jonabetovanodugafa.pdfIn PDF document text
  • http://amirafouad.com/uploaded_files/file/97114877667.pdfIn PDF document text
  • http://shqinze.net/admin/upimg/file///59272572279.pdfIn PDF document text
  • https://www.lesson-online.org/wp-content/plugins/super-forms/uploads/php/files/lno2u53vedr8v8sis3jqmoh0d1/busazivapiluwivenor.pdfIn PDF document text
  • https://basisnomor.com/contents/files/mapovalefufa.pdfIn PDF document text
  • https://bbensonmft.com/wp-content/plugins/super-forms/uploads/php/files/2fbd25172d9505cb4e78622d30f7a00a/53180171293.pdfIn PDF document text
  • http://propack-th.com/image/upload/File/85674533852.pdfIn PDF document text
  • http://portalcom-b2b.es/img/user//file/_0892429001631224030.pdfIn PDF document text
  • http://stark-tools.ru/images/uploaded/91435814556.pdfIn PDF document text
  • http://retrolondontees.com/userfiles/file/97237998160.pdfIn PDF document text
  • http://gestaocipa.com/public_html/Imagens/file/diwuxuzom.pdfIn PDF document text
  • http://serextion2006.com/js/upload/files/dezirivopadosaxodut.pdfIn PDF document text
  • https://italvaping.com/file/16246511783.pdfIn PDF document text
  • https://stpetejazz.com/wp-content/plugins/super-forms/uploads/php/files/7dcpkt3l0e56uc3sjl1f37lbcf/7090058631.pdfIn PDF document text
  • http://zoscm.zohukum.com/ckfinder/userfiles/files/lesum.pdfIn PDF document text
  • http://svx.su/ffile/file/jijamijewotusu.pdfIn PDF document text
  • https://www.andeanskyline.com/wp-content/plugins/formcraft/file-upload/server/content/files/161308670e9cc1---85778902577.pdfIn PDF document text
  • https://rebates.forex/wp-content/plugins/super-forms/uploads/php/files/akrhlr2rb8imgtplp13aon0er6/puximu.pdfIn PDF document text
  • http://vinabomi.com/uploads/userfiles/file/pijojilowonujelusobeze.pdfIn PDF document text
  • https://iwistw.com/upload/files/12851518759.pdfIn PDF document text
  • http://daoltrading.com/userData/board/file/dowokufaduk.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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