Malicious PDF — malware analysis report

Heuristics 9

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• Recovery secret / private key request critical SE_SECRET_RECOVERY_LURE
  Document requests recovery phrases, private keys, backup codes, or saved passwords. Requests for these secrets in a document are high-risk.
• 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://drukarnia-skawina.pl/app/webroot/media/files/21978048836.pdf In PDF document text

  • http://lctrading-gmbh.com/ckfinder/userfiles/files/gemowimowon.pdfIn PDF document text
  • http://melissajacksonmd.com/wp-content/plugins/formcraft/file-upload/server/content/files/16135037803cd6---roginuwenesirekazur.pdfIn PDF document text
  • http://festivaldeliteraturadepereira.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612f0bc63ad11---tenol.pdfIn PDF document text
  • http://frutapacargentina.com/ckfinder/userfiles/files/fazadelo.pdfIn PDF document text
  • http://zhhyhb.com/uploadfiles/files/molemenurujijibumerepak.pdfIn PDF document text
  • http://lucidareemantenerepavimentifaidate.it/userfiles/files/93295149362.pdfIn PDF document text
  • http://dulichtantai.com/files/uploaded/files/tudatanepavazopefojubuxif.pdfIn PDF document text
  • http://jpind.pl/userfiles/file/52877555535.pdfIn PDF document text
  • http://cetinelektrik.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/161311ebb866b8---gosofimuvozelujekureri.pdfIn PDF document text
  • http://redeyeldn.com/userfiles/file/mimolinuzi.pdfIn PDF document text
  • http://vistobrasil.net/uploads/file/61205902731.pdfIn PDF document text
  • https://crownprolaw.com/userfiles/Proj_Name/files/86141955687.pdfIn PDF document text
  • https://seerupit.dk/assens/file/13280732285.pdfIn PDF document text
  • http://kanchanaspa.com/ckfinder/userfiles/files/wudufibazijofafofexu.pdfIn PDF document text
  • http://lex.tj/img/file/piner.pdfIn PDF document text
  • https://pragatitic.org/ckfinder/userfiles/files/wevixazetaxozenomubu.pdfIn PDF document text
  • http://bsp-plovdiv.org/ckfinder/userfiles/files/95673000852.pdfIn PDF document text
  • https://easypayindia.in/userfiles/file/jaxojizeponami.pdfIn PDF document text
  • https://loyallcanada.ca/editor_files/file/35782615960.pdfIn PDF document text
  • http://metall-press.ru/files/tigilovewabolimibexofugav.pdfIn PDF document text
  • http://pierrevillers.fr/mairie_files/file/33652516758.pdfIn PDF document text
  • https://relleno-acidohialuronico.com/wp-content/plugins/super-forms/uploads/php/files/0b881d8a1bad6ff32deaed0dd6004f8c/74972716505.pdfIn PDF document text
  • https://dmddsgn.com/wp-content/plugins/super-forms/uploads/php/files/9d2319d6151eaa5f77a9b07dba56cd36/23037018901.pdfIn PDF document text
  • https://frisch.ro/files/file/jajixame.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/S30rS-6n6vg/uplcv?utm_term=sims+4+dlc+free+originPDF 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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