Malicious PDF — malware analysis report

Heuristics 7

• 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.
• 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://www.nuricomuvakfi.org/wp-content/plugins/super-forms/uploads/php/files/gv63rs9rkv3qh57q1161hid9m0/vaxuzivajak.pdf In PDF document text

  • http://crystal-lamp.ru/uploads/files/vafawulosajeguj.pdfIn PDF document text
  • https://dacola.com/upload/files/49916136971.pdfIn PDF document text
  • http://joelcsimonesq.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/litakuro.pdfIn PDF document text
  • http://www.nanodrywash.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607a59501b745---17584885704.pdfIn PDF document text
  • http://plenar.hr/wp-content/plugins/formcraft/file-upload/server/content/files/160b64efb4cb78---metoliwomemojebefofufis.pdfIn PDF document text
  • http://tamker.hu/userfiles/file/89960501172.pdfIn PDF document text
  • http://dermatologomiguelgallego.com/miguel/fck/file/63762491083.pdfIn PDF document text
  • http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/3oc1idqip166mkv5jpta7rpaf7/xidogekozuso.pdfIn PDF document text
  • http://www.opencalgary.org/wp-content/plugins/formcraft/file-upload/server/content/files/160c37c1a5a25a---1982451018.pdfIn PDF document text
  • https://www.elementstraining.co.uk/wp-content/plugins/super-forms/uploads/php/files/2fjfniag172a5q5sk3msrdn109/muxefowiberalagunifulapen.pdfIn PDF document text
  • https://xn--1--8kcai1ck2bs.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/01872ff6e930e9f9278e683dea9a3698/bukufekufigofali.pdfIn PDF document text
  • http://www.sictombbi.fr/ckfinder/userfiles/files/48715234582.pdfIn PDF document text
  • https://dedywiredja.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612fe994ba416---xevubibopazebitopevup.pdfIn PDF document text
  • http://gleneaglehoa.org/images/file/kobik.pdfIn PDF document text
  • https://gaseg.com/wp-content/plugins/super-forms/uploads/php/files/u60lcf5gt8199o3lr0nq8rokc3/nawaxafefogopezatik.pdfIn PDF document text
  • http://smm-mm.com/uploads/news_file/joduxojoxejimufowopa.pdfIn PDF document text
  • https://globalazeri.az/wp-content/plugins/super-forms/uploads/php/files/0selu8tfd8djvu7botn1ur10m4/23096669855.pdfIn PDF document text
  • http://www.puhito.hu/uploads/91708444804.pdfIn PDF document text
  • https://zold-kommando.hu/files/jefelowagobegevuzenawom.pdfIn PDF document text
  • http://fluorescent-training.com/file/begotufivojilajajeguzep.pdfIn PDF document text
  • https://chicagoportablexray.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f51fc52db26---bajemoximivorejude.pdfIn PDF document text
  • https://nepalipublisher.com/ckfinder/userfiles/files/4621367950.pdfIn PDF document text
  • http://1-sanya.com/blog_images/blog_/file/rujetikojo.pdfIn PDF document text
  • http://fritz-fahrlaender.ch/download/12434671849.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/BvfzZFkJO3s/uplcv?utm_term=pdf+bestand+verkleinen+windows+10PDF 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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