Malicious PDF — malware analysis report

Heuristics 9

• 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.
• QR-code redirect lure medium SE_QR_LURE
  Document instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
• 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://mosjob.ru/images/file/kimanidakipem.pdf In PDF document text

  • https://robinio.de/wp-content/plugins/super-forms/uploads/php/files/d0af1vpp5ue2399pjr662dlrte/25737137921.pdfIn PDF document text
  • http://gewoongroen.eu/app/webroot/files/userfiles/files/kopujolexu.pdfIn PDF document text
  • http://bright-inter.com/file_media/file_image/file/69385498043.pdfIn PDF document text
  • https://primax.fr/wp-content/plugins/super-forms/uploads/php/files/kcln6rnk19053mgh59lsnnt9i2/27259283912.pdfIn PDF document text
  • https://lokmangal.co.in/wp-content/plugins/super-forms/uploads/php/files/3eb51453d7a0035a1adc5518d6dde437/xopuju.pdfIn PDF document text
  • https://educationindiajournal.org/ckfinder/userfiles/files/73198286493.pdfIn PDF document text
  • http://kingsauto-bar.com/js/upload/files/ronig.pdfIn PDF document text
  • http://doks-films.com/pcms/content/file/ritadulenelimulevita.pdfIn PDF document text
  • http://augustaelectricalwork.com/editorData/file/58867400394.pdfIn PDF document text
  • https://lakecountyoralsurgery.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cbe2a1b9fa4---24704367825.pdfIn PDF document text
  • http://amexeuro.com/an3_Uploads/file/93288230331.pdfIn PDF document text
  • http://jar-ted.pl/file/nudifis.pdfIn PDF document text
  • http://harnettcountyhba.com/userfiles/file/tasedewo.pdfIn PDF document text
  • http://developmentassociationofnagaland.org/nbloom/fckuploads/file/nidifajadoxeravunat.pdfIn PDF document text
  • http://stroisvias.ru/userfiles/file/82975543371.pdfIn PDF document text
  • https://ladychief.com/wp-content/plugins/super-forms/uploads/php/files/a21789ecc3c5e23009ffdce31c7104b5/46448111153.pdfIn PDF document text
  • http://stl-hk.net/userfiles/15431244663.pdfIn PDF document text
  • http://argra.rs/wp-content/plugins/formcraft/file-upload/server/content/files/160799b18dea43---55376595949.pdfIn PDF document text
  • https://www.ppmcare.co.uk/wp-content/plugins/super-forms/uploads/php/files/ut2sfci0erchdajo00lgf2i8eh/dugaretumuzatawas.pdfIn PDF document text
  • https://taxiparga.com/wp-content/plugins/super-forms/uploads/php/files/038f3c55374a3c3dfee508f75848bcd8/92872959030.pdfIn PDF document text
  • http://training-solutions.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160950055d289b---tiraroramep.pdfIn PDF document text
  • http://gavinlawoffice.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/36243959533.pdfIn PDF document text
  • http://cleanyachts.it/writable/public/userfiles/file/modezepez.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/1xuhb7AK25c/uplcv?utm_term=peugeot+207+cc+owners+manual+pdfPDF 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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