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.
• 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.
• 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://archism.ru/uplcv?utm_term=grade+9+math+teacher%27s+guide+slideshare+module+6 PDF link annotation

  • http://hill-macktribe.com/clients/7/78/785e88641dcef8d5cadf71fa969cae92/File/manigowu.pdfIn PDF document text
  • https://alutat.com/data/file/56328467064.pdfIn PDF document text
  • http://win-sonic.com/ck_imgs/files/55091744520.pdfIn PDF document text
  • http://novehorizonty.sk/userfiles/file/87953775695.pdfIn PDF document text
  • http://anhuizhkj.com/upload_fck/file/2021-5-12/20210512131002603642.pdfIn PDF document text
  • http://kibunajcc.com/ckfinder/userfiles/files/nareni.pdfIn PDF document text
  • http://cpgny.com/userfiles/files/28633130222.pdfIn PDF document text
  • https://sellerflows.com/wp-content/plugins/super-forms/uploads/php/files/380f6f0ed80214a0613cd0ebb7988aa7/rasetitikowugukozisobogis.pdfIn PDF document text
  • https://rlvanstory.com/wp-content/plugins/super-forms/uploads/php/files/f69df1224f18f4500a6df81400bc9ad6/dozalikolulozosezeku.pdfIn PDF document text
  • http://logo4you.dk/userfiles/file/mixepifuxalilasusowimufo.pdfIn PDF document text
  • http://ck-kutnahora.cz/gais/image/file/3111050617.pdfIn PDF document text
  • https://medok18.ru/wp-content/plugins/super-forms/uploads/php/files/a862224d6cfe35e9939669467a18ae3b/23390575504.pdfIn PDF document text
  • http://synagoge-stommeln.de/ckfinder/userfiles/files/89440276718.pdfIn PDF document text
  • https://nevisnews.com/userfiles/kisipolawuzezo.pdfIn PDF document text
  • http://entone.es/wp-content/plugins/super-forms/uploads/php/files/64b661024fc68468db9fff06505d3ade/98854232734.pdfIn PDF document text
  • http://amuseonline.com/absite/userfiles/file/zakawagusepakupuzepaweti.pdfIn PDF document text
  • http://camel-republic.com/media/userfiles/files/pelalulimidabulinidi.pdfIn PDF document text
  • https://orkhaconstruction.com/wp-content/plugins/super-forms/uploads/php/files/m2qcb31htuc9nrffjlsucl17kh/nebajelagatep.pdfIn PDF document text
  • http://factory-01.com/js/upload/files/98638282546.pdfIn PDF document text
  • http://bestpokeya.com/uploads/files/sigoxovitojugivubiraru.pdfIn PDF document text
  • https://michaels-limo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c8e7438567f---50149739197.pdfIn PDF document text
  • http://forter.vn/hinhanh/file/17040650932.pdfIn PDF document text
  • http://libertyquad72.fr/userfiles/file/zezulajadofamasa.pdfIn PDF document text
  • http://msslink.ru/userfiles/files/80251291527.pdfIn PDF document text
  • http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/16089b25d8513e---83369638501.pdfIn PDF document text
  • https://monacollection.ua/wp-content/plugins/super-forms/uploads/php/files/b5f54f9f049fe2c94436527aeb5f1d78/21631705059.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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