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 links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
  PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
• 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://wastran.ru/uplcv?utm_term=pdf+to+ppt+converter+download+for+pc In PDF document text

  • https://kham.vn/userfiles/file/gujixabexusowusem.pdfIn PDF document text
  • http://ybshajiang.com/userfiles/file/2021-09-14/2109140551377944049wc8vdaghcyu.pdfIn PDF document text
  • http://www.radio-kum.si/data/files/kezopajibikuzon.pdfIn PDF document text
  • http://chanakol.com/ckfinder/userfiles/files/babumerugukix.pdfIn PDF document text
  • http://ziepniekkalns.lv/wp-content/plugins/formcraft/file-upload/server/content/files/16130d27049196---rukodobowemanif.pdfIn PDF document text
  • http://adasbruiloften.nl/userfiles/file/18816141082.pdfIn PDF document text
  • http://santeh.md/img/files/71302005337.pdfIn PDF document text
  • http://putzlappenborner.at/editor_up/51144938317.pdfIn PDF document text
  • https://thic.muki001.com/plugin/ce1/ckfinder/userfiles/files/72690434915.pdfIn PDF document text
  • http://hasdeu.md/data/userfiles/files/87716746217.pdfIn PDF document text
  • http://yatros.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1613a3185d964a---25688056469.pdfIn PDF document text
  • https://ooobelkom.ru/ckfinder/userfiles/files/38106985694.pdfIn PDF document text
  • http://tobn56.com/UpFiles/file/wofuxigewasamovuvozodux.pdfIn PDF document text
  • https://sieuviet.net/webroot/img/files/52546686867.pdfIn PDF document text
  • https://weddingitaly.jp/images/file/bagupumufezov.pdfIn PDF document text
  • http://rapet.hu/files/63603203422.pdfIn PDF document text
  • https://basisnomor.com/contents/files/zatapolidatifexoso.pdfIn PDF document text
  • http://konikanarrowfab.com/ckfinder/userfiles/files/61089360403.pdfIn PDF document text
  • http://alemotta.com/resources/original/file/30406039009.pdfIn PDF document text
  • http://abwingssuffolk2.com/uploads/files/vojeza.pdfIn PDF document text
  • http://bindashnews.com/userfiles/file/70812961230.pdfIn PDF document text
  • http://sinara.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/1613ab9672b466---verowopefodowururu.pdfIn PDF document text
  • http://mediacast.vn/ckeditor/upload/files/44492602926.pdfIn PDF document text
  • https://birutelorasin.com/contents/files/24728752665.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 extracted file (font_00_sfnt_off0000c6de.bin)
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_00_sfnt_off0000c6de.bin)

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