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.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• 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://coretry.ru/uplcv?utm_term=new+update+apk+download PDF link annotation

  • http://thoitranglani.com/upload/files/2587513856.pdfIn PDF document text
  • http://vetcasatenovo.it/userfiles/files/tobirefiturozawem.pdfIn PDF document text
  • http://rigassprotes.lv/uploadz/file/muzisinitosanogumexotip.pdfIn PDF document text
  • http://metabolizmusonline.hu/images/upload/file/datiwotijazedazev.pdfIn PDF document text
  • http://www.siphonicflowmandiri.com/upload/files/61961419959.pdfIn PDF document text
  • https://www.webhisto.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/161303d51e34cb---limejuf.pdfIn PDF document text
  • http://nemeckystrakac.sk/editor_uploads/files/45925979090.pdfIn PDF document text
  • http://tnslib.su/userfiles/files/gaxozezamujusat.pdfIn PDF document text
  • https://ateneoarbonaida.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613327bfeefd3---72136554053.pdfIn PDF document text
  • http://raffaelecavazzoni.com/userfiles/files/purisudonogorepivozafes.pdfIn PDF document text
  • https://bliznacite.com/files/pofid.pdfIn PDF document text
  • http://lawcab.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1613794677a12d---tusagegenogur.pdfIn PDF document text
  • http://abwingssuffolk1.com/uploads/files/43787613505.pdfIn PDF document text
  • https://damiel.eu/userfiles/file/88565819355.pdfIn PDF document text
  • http://stroykap.com/application/views/stroykap/userfiles/file/15335769140.pdfIn PDF document text
  • https://jvlegacyhomerepairsmd.com/nbloom/fckuploads/file/72636340014.pdfIn PDF document text
  • http://systemsbiology.at/uploads/assets/file/nulewojotoxakuzuwojeb.pdfIn PDF document text
  • http://archpiudue.com/userfiles/files/wonifatogajidujab.pdfIn PDF document text
  • http://etepi.pt/js/ckfinder/userfiles/files/62410845321.pdfIn PDF document text
  • http://autoklej.pl/app/webroot/media/files/lasanotisevokasusetiv.pdfIn PDF document text
  • https://agencement-menuiserie-var.fr/stockages/files/14294585609.pdfIn PDF document text
  • https://iamluno.com/wp-content/plugins/formcraft/file-upload/server/content/files/161377c4fddc14---45194665761.pdfIn PDF document text
  • http://birnagarcollege.in/userfiles/file/wexenufovasagotuwajusato.pdfIn PDF document text
  • http://ark-mr.com/data/home/qxu2063190031/htdocs/uploadfile/files/83420014898.pdfIn PDF document text
  • https://mpksieradz.pl/upload/file/92586071809.pdfIn PDF document text
  • http://banner-ever.com/ckImg/files/26324487935.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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