Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• Brand-impersonation credential phishing lure high SE_BRAND_CREDENTIAL_PHISH
  Document impersonates a well-known consumer brand and uses account-security / verification language ('unusual activity', 'account on hold', 'verify your account') to steer the reader to a credential-harvesting link. Corroborated by: call-to-action link host does not match the impersonated brand: https://feedproxy.google.com/~r/Uplcv/~3/YTWXjIUwRh0/uplcv?utm_term=video+calling+apps+for+android+phones+free+download.
• 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://www.xcelsus.de/wp-content/plugins/formcraft/file-upload/server/content/files/160d6f5712a713---gekukizebag.pdf In PDF document text

  • http://compufoxmail.com/userfiles/file/rerek.pdfIn PDF document text
  • http://eurogeographyjournal.eu/admin/fckfiles/file/giliwabopiwosuxom.pdfIn PDF document text
  • https://principesgs.com/userfiles/file/duwizulewim.pdfIn PDF document text
  • https://e-uchebnici.com/img/file/pawuvi.pdfIn PDF document text
  • https://vrindaindia.com/php/joseph/uploads/file/tufuvewojameraxa.pdfIn PDF document text
  • https://stellabakingcompany.com/wp-content/plugins/formcraft/file-upload/server/content/files/16071f706313ac---8302602801.pdfIn PDF document text
  • http://ghrnightinwhite.com/clients/7/72/721f26fb9237119891afe8d29dbdfc29/File/suruvinusu.pdfIn PDF document text
  • http://avandcie-energy.com/ckfinder/userfiles/files/vikitasegujod.pdfIn PDF document text
  • http://www.a-fairys-choice.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607e467e224f3---fateg.pdfIn PDF document text
  • http://chineseclothingonline.net/File/40809096328.pdfIn PDF document text
  • http://worldcar.jp/userfiles/files/tagevu.pdfIn PDF document text
  • https://prikolnaya.com/wp-content/plugins/super-forms/uploads/php/files/61445f65972b40c18866d25b84fa2059/36745830267.pdfIn PDF document text
  • http://chinasoftcore.com/userfiles/file///panikojonip.pdfIn PDF document text
  • https://markeishahall.com/wp-content/plugins/super-forms/uploads/php/files/b2ccb664cf62bb1f9a3e3fd2d278eda3/sebupizofopawiritosa.pdfIn PDF document text
  • http://svazekobciorlice.cz/userfiles/file/18751672260.pdfIn PDF document text
  • https://bibonatura.hu/ckfinder/userfiles/files/61831418114.pdfIn PDF document text
  • http://aplus.to/userfiles/file/18680935618.pdfIn PDF document text
  • http://akinmedical.com/uploads/file/17319418418.pdfIn PDF document text
  • http://dabien.co.kr/wp-content/plugins/formcraft/file-upload/server/content/files/16077a48bd2f5d---4435261082.pdfIn PDF document text
  • http://www.zav-mito.si/wp-content/plugins/formcraft/file-upload/server/content/files/160c3d948d0982---nepopezezurigakoseduze.pdfIn PDF document text
  • http://poorclarescork.ie/images/faxumarijadux.pdfIn PDF document text
  • https://getlovebooks.com/wp-content/plugins/super-forms/uploads/php/files/da2f281b4f2303a61fde640b41e3655c/sixurularasifarelida.pdfIn PDF document text
  • https://isleo.com/i_photos/file/katukakulobu.pdfIn PDF document text
  • https://provisionsinternational.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c8f8eac39dc---tuxonomawajebebetetog.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/YTWXjIUwRh0/uplcv?utm_term=video+calling+apps+for+android+phones+free+downloadPDF 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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