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 link to algorithmically-generated URL high PDF_RANDOM_URL_LINK
  PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not 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.
• 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://wastran.ru/uplcv?utm_term=pharmaceutical+company+profile+sample+pdf PDF link annotation

  • http://es-umzuege-transporte.de/wp-content/plugins/super-forms/uploads/php/files/602c49ec35344e7ac1ff978d5a0c1541/28313386519.pdfIn PDF document text
  • http://halvani.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609d5ebd1edb4---salulatakajuwozu.pdfIn PDF document text
  • https://www.vita-organic.eu/admin/ckfinder/userfiles/files/kikoxefanabek.pdfIn PDF document text
  • https://www.hotwaterfactory.com.au/wp-content/plugins/super-forms/uploads/php/files/d66370b41e6fbc91a1eb5c7eda4e2186/wusolafif.pdfIn PDF document text
  • http://farmaciacogliate.it/userfiles/files/86033422219.pdfIn PDF document text
  • https://bandotrading.it/uploads/file/92222465939.pdfIn PDF document text
  • https://fetogram.ir/images/upload/files/nepinu.pdfIn PDF document text
  • http://hndgyl.com/v15/Upload/file/20216271438204455.pdfIn PDF document text
  • https://monarchwinemerchants.com/wp-content/plugins/super-forms/uploads/php/files/490bceae8be94b358200a47c9ce8f3f0/26357504260.pdfIn PDF document text
  • http://nakamurasangyou.jp/app/webroot/uploads/files/42452510020.pdfIn PDF document text
  • https://ailani.org/wp-content/plugins/super-forms/uploads/php/files/a2cba97ef3b37b2da03c752502743832/sozafogomumabifanixiz.pdfIn PDF document text
  • http://doublehappyvstheinfinitesadness.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607f562667f1a---tifevu.pdfIn PDF document text
  • http://cioccolatogallucci.it/userfiles/file/44163564784.pdfIn PDF document text
  • http://locthanhwindow.com/img_duhoc/files/zediradusiguto.pdfIn PDF document text
  • https://cashofferoregon.com/wp-content/plugins/formcraft/file-upload/server/content/files/16077a8c37d448---takavokovivupelutexe.pdfIn PDF document text
  • https://contact-house.com/fckeditor/upload/file/retevo.pdfIn PDF document text
  • https://thai-airpark.com/ckfinder/userfiles/files/70582782488.pdfIn PDF document text
  • http://madmojo.com/fckupload/file/gumelogozus.pdfIn PDF document text
  • http://www.sainteuphrasia.com/www/js/ckfinder/userfiles/files/palalike.pdfIn PDF document text
  • https://provisionsinternational.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609538adaad9e---70727129251.pdfIn PDF document text
  • https://evenimentecastel.ro/wp-content/plugins/super-forms/uploads/php/files/0d2020adnu1lepemlihbqnqpft/difugetima.pdfIn PDF document text
  • https://quickonboarding.com/wp-content/plugins/super-forms/uploads/php/files/25fa595b8f6602894c567dc3e5c51640/90809320545.pdfIn PDF document text
  • https://archcosmeticstudio.com.au/wp-content/plugins/super-forms/uploads/php/files/4a1f990d9d56cb72f77f0c338e385214/62409188582.pdfIn PDF document text
  • http://kiuanai.com/userfiles/file/74203168585.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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