Malicious PDF — malware analysis report

Heuristics 9

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE
  Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
• 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.
• 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.
• 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 https://pistant.ru/uplcv?utm_term=temp+mail+mod+apk+2021 PDF link annotation

  • http://websteravelandscaping.com/editorData/file/mopotaxuvodugoduxova.pdfIn PDF document text
  • https://newat.ru/wp-content/plugins/super-forms/uploads/php/files/2d2f202bfbd108a1c3eb38b8d1a316d8/36431791258.pdfIn PDF document text
  • http://tsrmvolontari.it/userfiles/files/wufiviji.pdfIn PDF document text
  • http://agro-pasz.pl/ckfinder/userfiles/files/59712500527.pdfIn PDF document text
  • https://incoyun.com/calisma2/files/uploads/73262447783.pdfIn PDF document text
  • http://reliancefla.com/admin/images/file/pivuwuviwugizem.pdfIn PDF document text
  • https://sumangold.net.vn/wp-content/plugins/super-forms/uploads/php/files/nluj2js90pab5gcbeimgtpcapi/bavizaxumepifijugabi.pdfIn PDF document text
  • http://a1climbing.com/userfiles/files/60670208528.pdfIn PDF document text
  • http://sung1.com/upload/files/wapozubikofulufologiwun.pdfIn PDF document text
  • http://foto-preiss.at/upload_files/files/xubiduzisetiloriv.pdfIn PDF document text
  • http://quocteanviet.com/img-chamthi/files/dafoxejewidegojofezakivi.pdfIn PDF document text
  • https://aslimitada.com/userfiles/file/rifekipuwizejuzuraza.pdfIn PDF document text
  • http://langmoon.jp/js/upload/files/92441511294.pdfIn PDF document text
  • http://kalkulacka-hypo.cz/userfiles/files/1567229246.pdfIn PDF document text
  • http://xn--pr3b03lcdvwu9dpynqkc.com/DATA/file/20210917184407.pdfIn PDF document text
  • http://cesnek-vysocina.cz/UserFiles/File/84258143791.pdfIn PDF document text
  • http://www.unidacardoso.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16140a50e971ba---52701939239.pdfIn PDF document text
  • https://farmacieitaliane.com/documenti/file/loverowadajisumo.pdfIn PDF document text
  • https://creativesilhouettes.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16143401714244---jifetawiwewobi.pdfIn PDF document text
  • http://hwayinn.com/image/files/20210905_065229.pdfIn PDF document text
  • http://hrampetraipavlavosstanovlenie.ru/content/images/user/file/631979301.pdfIn PDF document text
  • http://maxidmum.com/images/upload/fck/file/61062319297.pdfIn PDF document text
  • http://archetipoingegneria.it/userfiles/files/49324722004.pdfIn PDF document text
  • https://snabavto.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613b99b7cddcb---forutosufidajowoda.pdfIn PDF document text
  • https://receptabc.hu/images_banner/files/9022435923.pdfIn PDF document text
  • http://jingkangchem.com/upload/files/14511728573.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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