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
• Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
  Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
• 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.
• PDF advertises pirated movie streaming/download medium PDF_PIRACY_STREAMING_LURE
  PDF rendered text advertises free full-movie streaming or download using piracy-brand names or a 'full movie + download/free/watch' intent phrase — recovered after folding the styled Unicode confusables the campaign uses to hide those keywords from plain-text detection. These are disposable SEO-spam carriers that route users to malvertising, fake-player, and scam pages; the PDF itself is inert.
• 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://hanmih.com/userfiles/file/20220418085623.pdf In PDF document text

  • https://equalitas.es/userfiles/file/16212133893.pdfIn PDF document text
  • http://ankamet.com/userfiles/file/xuvikola.pdfIn PDF document text
  • https://vusexojepaxeva.weebly.com/uploads/1/3/4/0/134096357/1329257.pdfIn PDF document text
  • https://bovemadewu.weebly.com/uploads/1/3/4/6/134651231/nizob.pdfIn PDF document text
  • https://tojetipa.weebly.com/uploads/1/3/4/2/134234581/rupusutavebixo-zufujones.pdfIn PDF document text
  • http://finance-bulldog.cz/UserFiles/File/bojutelutipun.pdfIn PDF document text
  • http://hospitalityroyal.com/upload_files/file/98357747833.pdfIn PDF document text
  • https://gpuhub.net/wp-content/plugins/super-forms/uploads/php/files/b6h8p85sffi2ject6ml6ffijaf/38544126995.pdfIn PDF document text
  • https://nipabidomebamo.weebly.com/uploads/1/3/4/6/134671433/4708365.pdfIn PDF document text
  • http://dongsimkindergarten.com/upload/files/vefawetusalekigexigojufe.pdfIn PDF document text
  • http://gumho.puruemi.com/userData/affis_board/file/4769283536.pdfIn PDF document text
  • https://dusexitope.weebly.com/uploads/1/3/4/6/134646398/sunopajofepo.pdfIn PDF document text
  • https://www.t-med.kz/app/webroot/js/kcfinder/upload/files/7943819923.pdfIn PDF document text
  • http://evolution-dev.com/file_media/file_image/file/7094689664.pdfIn PDF document text
  • https://buxiniti.weebly.com/uploads/1/3/4/3/134309366/kedonagivoka_lasarelaj.pdfIn PDF document text
  • https://totupima.weebly.com/uploads/1/3/1/4/131438580/6905528e528bf60.pdfIn PDF document text
  • https://gauravkankariya.com/wp-content/plugins/super-forms/uploads/php/files/d523d2bface4231139bf534aa6de9a14/maneboterubebokabav.pdfIn PDF document text
  • https://backcountryplayground.com/wp-content/plugins/super-forms/uploads/php/files/47d18efc7d82b563d408cf93a338c8ca/belojorosowabozes.pdfIn PDF document text
  • https://ag-concept.ru/wp-content/plugins/super-forms/uploads/php/files/731056eac046a97e8253d8d5507611d3/muzus.pdfIn PDF document text
  • https://yoyep.co.za/YmrXLWy8?keyword=paper%20bird%20step%20by%20step%20instructionsPDF 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 extracted file (font_00_sfnt_off0000bb2d.bin)
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_00_sfnt_off0000bb2d.bin)

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