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.
• Urgency / deadline lure low SE_URGENCY_LURE
  Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
• 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://hykylalumni.org/userfiles/53681265750.pdf In PDF document text

  • http://xn--pr3b03lcdvwu9dpynqkc.com/DATA/file/20210729150554.pdfIn PDF document text
  • https://lorenzonimmigrationlaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/160810696aaa49---91679156462.pdfIn PDF document text
  • http://hoanggiaphatland.com/uploads/image/files/22881888698.pdfIn PDF document text
  • http://trans-serwis.com/userfiles/file/55485076700.pdfIn PDF document text
  • http://wildpflanzen-planung.de/file/viwoperozamiga.pdfIn PDF document text
  • http://stringquartet.biz/web/images/fck/file/daxewukemulo.pdfIn PDF document text
  • http://tc-antey.ru/uploads/files/10735416857.pdfIn PDF document text
  • http://esistore.lu/userfiles/file/74419287691.pdfIn PDF document text
  • http://www.gaviprintpack.com/wp-content/plugins/formcraft/file-upload/server/content/files/16078f7150ad2a---bitele.pdfIn PDF document text
  • https://aparcaderoshaddaichile.cl/uploads/images/files/61183449369.pdfIn PDF document text
  • https://www.olympusnorge.no/wp-content/plugins/super-forms/uploads/php/files/8fqdr54hnbj5pm8quo3fgqcqk6/57984032819.pdfIn PDF document text
  • http://ucity68.com/clients/e/ea/ea220da86df44fb0ae3b7c8e8295ccc1/File/55585822887.pdfIn PDF document text
  • https://suadienlanhhanoi.net/upload/files/94841183572.pdfIn PDF document text
  • http://progettogeometra.it/userfiles/files/85897627323.pdfIn PDF document text
  • http://sarkanyhajo.hu/files/file/bakikixatatigadogag.pdfIn PDF document text
  • https://www.chortho.co.uk/wp-content/plugins/super-forms/uploads/php/files/ojpphdb56r386bjgo64r376hv4/64115541360.pdfIn PDF document text
  • https://perfecthospital.org/FCKeditor/file/43594991737.pdfIn PDF document text
  • http://myphamhelios.vn/luutru/files/somuwivuvigor.pdfIn PDF document text
  • https://www.marjojaspers.nl/ckfinder/userfiles/files/vogoruj.pdfIn PDF document text
  • https://forex-robo.org/wp-content/plugins/super-forms/uploads/php/files/8be058950e55652888feced011d7df17/kumomesosuvajogaxoji.pdfIn PDF document text
  • http://gsmontaggi.it/userfiles/files/pobudeb.pdfIn PDF document text
  • https://intervalhousehamilton.org/ckfinder/userfiles/files/27395435035.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/6naE_Nh8_CY/uplcv?utm_term=placer+county+inmate+listPDF 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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