Malicious PDF — malware analysis report

Heuristics 7

• 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.
• Fake invoice / payment lure low SE_INVOICE_LURE
  Document contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
• 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://laborke.ru/uplcv?utm_term=how+to+fill+out+a+receipt+book PDF link annotation

  • https://saksisan.com/upload/ckfinder/files/55895188939.pdfIn PDF document text
  • http://hart-metale.pl/gimnazjum/userfiles/file/salezivoretamuvobifoj.pdfIn PDF document text
  • http://www.birapart.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bbae832c7b7---foledumafotapeluwo.pdfIn PDF document text
  • http://clinicaveterinariagussago.com/userfiles/files/mozoxube.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a5e1fa6b2dd---58684895845.pdfIn PDF document text
  • http://www.deewanalarab.com/up_imgs/gigepavekap.pdfIn PDF document text
  • http://dekogard.net/deko/veri/_files/22948081148.pdfIn PDF document text
  • https://gtsonline.nl/wp-content/plugins/super-forms/uploads/php/files/209n16l6l3odrd8hntk2as9rfs/4970738739.pdfIn PDF document text
  • https://blueridgelightingandcontrols.com/wp-content/plugins/super-forms/uploads/php/files/8853f67f460db5fe53f3870f492dc477/90163657071.pdfIn PDF document text
  • https://www.andrecampbell.ca/wp-content/plugins/super-forms/uploads/php/files/0521620a0f1b65e4ef809e7d40b5acfe/femaletonado.pdfIn PDF document text
  • http://madmojo.com/fckupload/file/zasejojidumogim.pdfIn PDF document text
  • http://2ds-creations.fr/userfiles/file/nozulolefof.pdfIn PDF document text
  • https://tavio.ru/files/file/mukumubutiwim.pdfIn PDF document text
  • http://stellamaris.cz/userfiles/54691042684.pdfIn PDF document text
  • https://www.adcgrain.com/wp-content/plugins/super-forms/uploads/php/files/591f6f4630801213e1e511166ecb979a/vufitoxetiwubegokabuwi.pdfIn PDF document text
  • https://audit-advisers.com/userfiles/file/42750036824.pdfIn PDF document text
  • https://balance-global.com/wp-content/plugins/super-forms/uploads/php/files/omkgj5cie1ublupedb12j8gg57/4141474334.pdfIn PDF document text
  • http://uhorder.com/upload/files/21288207463.pdfIn PDF document text
  • https://akdenizokullari.k12.tr/wp-content/plugins/super-forms/uploads/php/files/knsr07kn8j8hqbe4v9tig4hl2o/89255519251.pdfIn PDF document text
  • https://aquaticlandscape.com/wp-content/plugins/formcraft/file-upload/server/content/files/16110d2aacf601---25731672057.pdfIn PDF document text
  • https://enville.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f28246e173---lokibozudowojononatewu.pdfIn PDF document text
  • https://ph2020.org/FCKeditor/file/46852391846.pdfIn PDF document text
  • https://rm-parketi.si/uploads/rusaramuvapuzupelupag.pdfIn PDF document text
  • http://geoodwierty.pl/files/file/bewunuredugujinonikum.pdfIn PDF document text
  • http://www.lifestaralberta.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c8e87d6f63b---87124362046.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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