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
• Brand-impersonation credential phishing lure high SE_BRAND_CREDENTIAL_PHISH
  Document impersonates a well-known consumer brand and uses account-security / verification language ('unusual activity', 'account on hold', 'verify your account') to steer the reader to a credential-harvesting link. Corroborated by: call-to-action link host does not match the impersonated brand: https://feedproxy.google.com/~r/skout/mBVl/~3/PmAiG5ZyT-k/uplcv?utm_term=where+to+find+answers+for+homework.
• 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 http://pulsrmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/160746c95a14a5---tafujasevemikeja.pdf In PDF document text

  • http://stroynerud-sm.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1610b3a7c2fe03---94653512341.pdfIn PDF document text
  • https://www.straightmyteeth.eu/wp-content/plugins/super-forms/uploads/php/files/0dc8b0d382edb2f1a97ad87f9cf1df54/15651245123.pdfIn PDF document text
  • https://slavica.ru/wp-content/plugins/super-forms/uploads/php/files/b5043d7f6301d9703ee978274359b8e7/japutomepomenige.pdfIn PDF document text
  • http://deccanquest.com/konadnew/userfiles/file/13897415842.pdfIn PDF document text
  • http://urotunisia.com/uploads/FCK_files/file/radawigara.pdfIn PDF document text
  • http://studiobonvino.com/userfiles/files/bokazalikin.pdfIn PDF document text
  • http://novussiteyonetimi.com/uploads/file/wenirupot.pdfIn PDF document text
  • https://deedpoll.sg/wp-content/plugins/super-forms/uploads/php/files/5e00b8f7fa1b8d1b85bd3d8a163d34da/nazigumuduvupowuge.pdfIn PDF document text
  • http://sendedianqi.com/upload_fck/file/2021-7-31/20210731120745230508.pdfIn PDF document text
  • https://simovi.mx/wp-content/plugins/formcraft/file-upload/server/content/files/160a7ee45bab2d---nodigogonokuxam.pdfIn PDF document text
  • http://younewstoday.com/task/userimages/file/1769823365.pdfIn PDF document text
  • https://ocvirapuato.com.mx/wp-content/plugins/super-forms/uploads/php/files/6bfcafe405ada8992e8099840f1ded49/tubuwopuzet.pdfIn PDF document text
  • http://ehsclassof64.com/clients/b/bf/bfa5c4411462ceee4a19e543862d902c/File/25014181222.pdfIn PDF document text
  • http://liqaa-lb.com/files/userfiles/files/63676071865.pdfIn PDF document text
  • https://kvgrup.com.ua/wp-content/plugins/formcraft/file-upload/server/content/files/160c77eb8eeb8f---31834997573.pdfIn PDF document text
  • http://bannermaul.com/userData/board/file/wifizutisalozevotunojutok.pdfIn PDF document text
  • http://conservationenergy.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606fc13d06df8---sigimaba.pdfIn PDF document text
  • https://defrokatilai.lt/images/files/fetubafeditaj.pdfIn PDF document text
  • http://ljhalls.com/wp-content/plugins/super-forms/uploads/php/files/a59d473db8c9c3aac0045ca7dee50124/pazusuwakojikamitotov.pdfIn PDF document text
  • https://bnbtravels.com/ckfinder/userfiles/files/40131810027.pdfIn PDF document text
  • https://www.andyselfstorage.co.uk/wp-content/plugins/super-forms/uploads/php/files/4mi0rbfs00c4nmledr3q90q6mm/32105031738.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/PmAiG5ZyT-k/uplcv?utm_term=where+to+find+answers+for+homeworkPDF 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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