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.
• 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 https://pixomot.ru/uplcv?utm_term=how+to+save+my+contacts+to+my+sim+card+android PDF link annotation

  • http://sorokolaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/51180292092.pdfIn PDF document text
  • http://naturabliskociebie.pl/userfiles/file/dutadikoxidasi.pdfIn PDF document text
  • https://www.indee-r.fr/wp-content/plugins/super-forms/uploads/php/files/4c2b8bff3ad4c05ae1dfeb1623b31a0d/nixuxivesive.pdfIn PDF document text
  • https://martas.vodrsport.cz/uploads/files/42523664484.pdfIn PDF document text
  • http://www.fsnn.se/wp-content/plugins/formcraft/file-upload/server/content/files/16131db749cc82---8193397457.pdfIn PDF document text
  • http://parentini.it/userfiles/files/14905855344.pdfIn PDF document text
  • http://eluvial.com/sites/all/sites/eluvial.com/files/62854560971.pdfIn PDF document text
  • http://purofirstli.com/userfiles/files/rafemewagaj.pdfIn PDF document text
  • http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/4q54i5d8mohi9u4srv3fdl7pt7/xulirofuterageveritotupe.pdfIn PDF document text
  • https://airbays.com/userfiles/file/26957138645.pdfIn PDF document text
  • https://marathonlaval.com/userfiles/files/26402527725.pdfIn PDF document text
  • http://breakevenpoint.pl/uploads/editor/file/30655860927.pdfIn PDF document text
  • https://sayurhijau.com/contents/files/56926981935.pdfIn PDF document text
  • http://pivotal-technologies.com/userfiles/file/favoxivuvavowanenunozef.pdfIn PDF document text
  • http://neodermclinic.com/file_media/file_image/file/bedegisomegukizalute.pdfIn PDF document text
  • https://www.nvsrolko.org/ckfinder/userfiles/files/leresabiluwufewerapeforuf.pdfIn PDF document text
  • http://iaestedresden.de/userfiles/file/menifojiv.pdfIn PDF document text
  • http://exteractif.fr/pictures/2/98518081471.pdfIn PDF document text
  • https://patoman.ro/ckfinder/userfiles/files/51140894094.pdfIn PDF document text
  • https://www.vek-bg.com/app/templates/js/ckfinder/userfiles/files/mejov.pdfIn PDF document text
  • http://ediliziaunoaventi.com/userfiles/files/82438400797.pdfIn PDF document text
  • https://clickbox.ro/images/file/nenonuzapavidepigonadiko.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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