Malicious PDF — malware analysis report

Heuristics 8

• 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.
• Callback phishing phone lure medium SE_CALLBACK_LURE
  Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
• 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 http://thenext.pk/userfiles/files/52586685129.pdf In PDF document text

  • http://fskyok.com/uploadfile/files/fexaxavaxovevoravupevux.pdfIn PDF document text
  • http://www.buildonhope.org/file/42430681410.pdfIn PDF document text
  • http://consol.hu/images/uploadedimages/file/3643496505.pdfIn PDF document text
  • http://www.argentum.com/wp-content/plugins/super-forms/uploads/php/files/vsk5rlmm63g6pg0d45p2hvagt8/dosetuvuzo.pdfIn PDF document text
  • http://vibrator4you.cz/UserFiles/File/21973088882.pdfIn PDF document text
  • http://bluestandard.pl/ckfinder/userfiles/files/19811528692.pdfIn PDF document text
  • http://yotlist.com/uniformkontakt/userfiles/image/files/65697707329.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16149596ceea8c---xexewakor.pdfIn PDF document text
  • https://hram-uspeniya.ru/ckfinder/userfiles/files/38854047810.pdfIn PDF document text
  • https://portecitadelle.portecitadelle.ca/ckfinder/userfiles/files/safuvadifad.pdfIn PDF document text
  • http://www.skupp.pl/wp-content/plugins/formcraft/file-upload/server/content/files/161325618bacbe---rifijis.pdfIn PDF document text
  • https://icon-studios.com/userfiles/file/bapafilebulakupofivavok.pdfIn PDF document text
  • http://4chan.ro/UserFiles/file/48823317417.pdfIn PDF document text
  • https://grahampropertytax.com/wp-content/plugins/super-forms/uploads/php/files/d6adc63b6f3869c1c725d88dfd86cc7c/67181351642.pdfIn PDF document text
  • http://cps-mbstu.edu.bd/app/webroot/js/ckfinder/userfiles/files/nijuvusosed.pdfIn PDF document text
  • http://gaestehaus-am-erlkoenig.de/img/editor/file/kulepo.pdfIn PDF document text
  • https://bosgo.mn/uploads/files/runag.pdfIn PDF document text
  • http://dydlhx.com/upfiles/file///fiwenelimusoro.pdfIn PDF document text
  • https://enville.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614cf7daa425b---24835647138.pdfIn PDF document text
  • http://www.ufolep-69.com/contenus/files/56427493938.pdfIn PDF document text
  • https://albizy.com/ckfinder/userfiles/files/59300082767.pdfIn PDF document text
  • https://vroa.pl/chplusfiles/file/lenineditalaniwega.pdfIn PDF document text
  • http://aqcorth.specialty-match.com/upload/files/18659726960.pdfIn PDF document text
  • http://thingsantiquesla.com/userfiles/files/49795203346.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3CAf4wW3hvY/uplcv?utm_term=appium+demo+apkPDF 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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