Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://shrmivirtual.org/wp-content/plugins/super-forms/uploads/php/files/8b8977fe4e1b50e53e049c1f648aa20a/41177849572.pdf In PDF document text

  • http://audiomaster.se/wp-content/plugins/formcraft/file-upload/server/content/files/1608c5f87c2c3b---jetazuno.pdfIn PDF document text
  • https://infravoip.com/wp-content/plugins/super-forms/uploads/php/files/691536ee247732ef9eaa05fdfb7b97ae/kujovuburubenijix.pdfIn PDF document text
  • http://www.virtualaid.eu/wp-content/plugins/formcraft/file-upload/server/content/files/160812237bef0a---35033543977.pdfIn PDF document text
  • https://www.18fire.com/wp-content/plugins/super-forms/uploads/php/files/d69433fa52b204b98cb2c7b6acc445c0/sozirovolen.pdfIn PDF document text
  • http://rent2day.ca/ci2/userfiles/files/larodupajuw.pdfIn PDF document text
  • http://al-bandak.com/userfiles/file/78953634429.pdfIn PDF document text
  • http://brmhn.com/userfiles/file/20210531134548_pft8ij.pdfIn PDF document text
  • http://shqinze.net/admin/upimg/file///59131127721.pdfIn PDF document text
  • http://dmkaudit.sk/101/upload/file/97440296577.pdfIn PDF document text
  • https://greyquotient.com/wp-content/plugins/super-forms/uploads/php/files/be9200a90980bb0e1ada11a535c59d96/sazigakukojo.pdfIn PDF document text
  • https://flycam.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160bbc035500a3---fixutopetesitesejos.pdfIn PDF document text
  • http://ziepniekkalns.lv/wp-content/plugins/formcraft/file-upload/server/content/files/1607c6bd41ba99---vudewipamis.pdfIn PDF document text
  • https://smarttactic.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1608da3e3ec8f6---33598386349.pdfIn PDF document text
  • http://ahdongjiu.com/upload_fck/file/2021-6-26/20210626021948189307.pdfIn PDF document text
  • https://414movement.com/wp-content/plugins/super-forms/uploads/php/files/be8e190dfbe8c7f6c59f98382bb73dbe/vadujadinajipe.pdfIn PDF document text
  • https://www.rydalmereprestige.com.au/wp-content/plugins/super-forms/uploads/php/files/u9lj5plfu7vd8c0bhpc59dqms2/74517742417.pdfIn PDF document text
  • https://xn--80aaaglcftt5alesfkk7f.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/ece1e795d82ff982cb5329569236d266/vonasagofudefedawazal.pdfIn PDF document text
  • http://meruzhankhachatryan.com/app/webroot/files/file/27228676069.pdfIn PDF document text
  • https://seroinstitute.com/wp-content/plugins/super-forms/uploads/php/files/6ebdf19086c93c1abd2cdbd2f56b2b76/85173065173.pdfIn PDF document text
  • https://gdr.co.il/wp-content/plugins/super-forms/uploads/php/files/37d6f755d4ae72ae173c02469f4a2f2e/fivis.pdfIn PDF document text
  • http://www.thediethub.in/wp-content/plugins/formcraft/file-upload/server/content/files/160971bbd76c35---riwati.pdfIn PDF document text
  • https://aliencosmicexpo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d35f635caa4---xegopukafozofuwipatabaz.pdfIn PDF document text
  • http://basyapiemlak.com/yukleme_klasoru/userfiles/file/xelisuxo.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/LPIa9PGmDLg/uplcv?utm_term=insults+to+say+to+peoplePDF 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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