Malicious PDF — malware analysis report

Heuristics 7

• 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.
• 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
• 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://synerhu.ru/uplcv?utm_term=stream+suicide+squad+movie PDF link annotation

  • https://chiataiec.com/userfiles/Proj_Name/files/78635184851.pdfIn PDF document text
  • https://www.shopveriamici.com/wp-content/plugins/super-forms/uploads/php/files/qqur3psptv3m5uu86smte2mcnm/xesagagatug.pdfIn PDF document text
  • http://swiftnb.com/ckfinder/userfiles/files/79351918576.pdfIn PDF document text
  • http://nakamurasangyou.jp/app/webroot/uploads/files/53409332768.pdfIn PDF document text
  • http://grasslandtj.com/upload/files/58840096731.pdfIn PDF document text
  • https://brihat-group.com/assets/userfiles/files/53245243518.pdfIn PDF document text
  • http://esteticka-stomatologie.cz/files/content/file/74094041943.pdfIn PDF document text
  • http://cmrivestimenti.com/userfiles/files/bixomazi.pdfIn PDF document text
  • http://clinicaveterinariasangiacomo.it/userfiles/files/85830578689.pdfIn PDF document text
  • http://dajuicebarus.com/uploads/files/40251378252.pdfIn PDF document text
  • http://sten.kr/club/data/userfiles/file/20210912213806.pdfIn PDF document text
  • http://aotwresort.info/ckfinder/userfiles/files/pibubogasaf.pdfIn PDF document text
  • http://alpinist.store/sribati/editor/uploadfiles/nawikidisorakarezido.pdfIn PDF document text
  • https://sharjahcements.com/images/bulk_images/files/xazipuxoviwinenaduxilel.pdfIn PDF document text
  • https://alemarferries.alemarsnp.gr/ckfinder/userfiles/files/kabujotexakujura.pdfIn PDF document text
  • https://bharatiyabhashaparishad.org/ckfinder/userfiles/files/nenigituboluwipajinukezuw.pdfIn PDF document text
  • http://thietbibepnhahang.net/media/files/pixusodejijixesedusux.pdfIn PDF document text
  • https://seroinstitute.com/wp-content/plugins/super-forms/uploads/php/files/5696aadbd9b5a1a825aa007b65c5a20e/satusufadokoweberi.pdfIn PDF document text
  • http://luckyassessoria.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16142fe843ccd4---30441024368.pdfIn PDF document text
  • http://allseasonsart.com/uploads/fck_uploads/file/90241259629.pdfIn PDF document text
  • http://www.tecnotrefg.it/wp-content/plugins/formcraft/file-upload/server/content/files/1612faaebe39a7---24699908216.pdfIn PDF document text
  • https://deycaterers.com/ckfinder/userfiles/files/japipemubebuvugabukoxem.pdfIn PDF document text
  • http://entone.es/wp-content/plugins/super-forms/uploads/php/files/79b17062cb15268d1827908af64131ce/99315573865.pdfIn PDF document text
  • https://antoinepanau.com/wp-content/plugins/super-forms/uploads/php/files/b33641c60f265fd0a51a78f6ac9aa471/pagatenuxagafawigogam.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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