Malicious PDF — malware analysis report

Heuristics 6

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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://laborke.ru/uplcv?utm_term=npv+of+mortgage+payments PDF link annotation

  • http://af.ssla.ru/images/fornews/files/surufizonetefuture.pdfIn PDF document text
  • https://ketgate.eu/wp-content/plugins/super-forms/uploads/php/files/d0f7d54abd34d13089063a92c612a072/99370049129.pdfIn PDF document text
  • https://monuments-msk.ru/wp-content/plugins/super-forms/uploads/php/files/ba44a7eccadf59b811509e0c24647cab/benizivatotu.pdfIn PDF document text
  • http://przychodnia-felinskiego.pl/uploads/editor/file/97546192622.pdfIn PDF document text
  • https://revapackers.com/wp-content/plugins/super-forms/uploads/php/files/l6gfvk00mctjaim11q6e3ugbcj/11532682405.pdfIn PDF document text
  • http://slsnn.ru/content/file/18920804520.pdfIn PDF document text
  • http://caacoding.net/wp-content/plugins/formcraft/file-upload/server/content/files/1608e431d94aa7---mifatikopab.pdfIn PDF document text
  • https://adbadog.com/wp-content/plugins/super-forms/uploads/php/files/083efa877d0f724284413a3cfb370353/91247965194.pdfIn PDF document text
  • https://www.18fire.com/wp-content/plugins/super-forms/uploads/php/files/d1e5b7c4cc221db3c18f17c6e12ea22d/mulop.pdfIn PDF document text
  • http://taeguektour.com/FileData/ckfinder/files/20210727_3EC2DD626B4306F4.pdfIn PDF document text
  • https://hcs1000.org/wp-content/plugins/super-forms/uploads/php/files/28f69deacb5226ce7bd654aff83f6cb7/pifawudikalek.pdfIn PDF document text
  • http://a2itsolutions.com/chop/multimedia/userfiles/file/gepiwalusamitesojodajatu.pdfIn PDF document text
  • http://timatey.kz/wp-content/plugins/super-forms/uploads/php/files/2j7ds2ti72sigc5ne7uugom4l3/tunoginonibe.pdfIn PDF document text
  • http://asremajazi.com/uploads/files/jejonuxokefilu.pdfIn PDF document text
  • http://graciaindoutama.com/kingkong/userfiles/files/24970027245.pdfIn PDF document text
  • https://www.clubmanizales.com.co/wp-content/plugins/formcraft/file-upload/server/content/files/16125e9a7ad27f---63477912826.pdfIn PDF document text
  • https://www.sabiamente.es/wp-content/plugins/formcraft/file-upload/server/content/files/1608a097f642a6---33335130178.pdfIn PDF document text
  • https://apparel.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/5b0e6e98e1b5f6a89354eb38ff89047f/77861144693.pdfIn PDF document text
  • https://inprovitcentroamerica.com/ckfinder/userfiles/files/35303518553.pdfIn PDF document text
  • http://www.opencalgary.org/wp-content/plugins/formcraft/file-upload/server/content/files/16094c7af3fdc5---vepurovimedatawonirulod.pdfIn PDF document text
  • http://www.deco-interieure.com/userfiles/file/60469505511.pdfIn PDF document text
  • http://yaqeen-eg.com/userfiles/file/ravovomawesaf.pdfIn PDF document text
  • http://unipell.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/161244ae57dd10---49315202084.pdfIn PDF document text
  • https://akproauto.net/nbloom/fckuploads/file/26123912390.pdfIn PDF document text
  • https://www.andyselfstorage.co.uk/wp-content/plugins/super-forms/uploads/php/files/bbmvrafvda49h8vf3sc27shudc/83671390839.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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