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.
• 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.
• 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://catamma.ru/uplcv?utm_term=addition+worksheets+for+grade+2+without+regrouping

  • http://finsura-lifedirect.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16091316e8b8ba---bujewumurijamesosa.pdf
  • http://www.infranetltd.com/wp-content/plugins/formcraft/file-upload/server/content/files/16078940222a02---vokeseroli.pdf
  • http://www.rkcomdesignservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a2b982aff69---14012691591.pdf
  • http://calhi1977.com/clients/879053/File/824942111.pdf
  • http://metzpaintings.com/wp-content/plugins/formcraft/file-upload/server/content/files/160af6837f37c6---zoxupapijabefijomagu.pdf
  • https://rhythmcprandfirstaid.com/wp-content/plugins/super-forms/uploads/php/files/c085c063462b6c8368dc27e546f32078/23906121026.pdf
  • https://www.d-table.com/wp-content/plugins/super-forms/uploads/php/files/2bab188c2813f72399460b26ad31f100/31686525121.pdf
  • http://amwordpress.org/wp-content/plugins/formcraft/file-upload/server/content/files/160774823a2d9a---46120669841.pdf
  • http://www.annaleehuber.com/content_files/file/24238913134.pdf
  • https://movesforfree.com/wp-content/plugins/super-forms/uploads/php/files/2vqma3nne63tm2acuull3hhma2/90128359333.pdf
  • https://newat.ru/wp-content/plugins/super-forms/uploads/php/files/3861651d6cd88319ccfaa84d5fbed606/6004710171.pdf
  • https://encouragingmath.com/wp-content/plugins/super-forms/uploads/php/files/501dae91d81bf7358577d9b9ed61412f/63673604680.pdf
  • http://amirafouad.com/uploaded_files/file/saxumunozuwuvijunaliga.pdf
  • https://www.wikiwebagency.it/wp-content/plugins/super-forms/uploads/php/files/652e3ca074de96d21acb085ed006e9b1/dirasebedibufoputunu.pdf
  • https://stakeoutllc.com/wp-content/plugins/super-forms/uploads/php/files/e93dc29b0f24b9bc978efb0ce657eed0/76023034856.pdf
  • https://dailyiat.com/html_upload/file/nixelaxolejafana.pdf
  • https://www.sblending.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16093b25b3e22d---18433002957.pdf
  • http://cohn-vossen.com/wp-content/plugins/formcraft/file-upload/server/content/files/160852ce5db9b9---50364730264.pdf
  • http://iwish-cosmetics.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a0aa9a48302---dagozulesetijuv.pdf
  • http://limoride.net/gallery/file/93491817497.pdf
  • https://stefandes.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a95a5e2caaf---bijifurinas.pdf
  • http://www.w3.org/1999/02/22-rdf-syntax-ns#
  • http://purl.org/dc/elements/1.1/
  • http://ns.adobe.com/pdf/1.3/
  • http://ns.adobe.com/xap/1.0/
  • http://ns.adobe.com/xap/1.0/mm/
  • http://ns.adobe.com/xap/1.0/rights/
  • http://dejavu.sourceforge.net
  • http://dejavu.sourceforge.net/wiki/index.php/License

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