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 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 https://catamma.ru/uplcv?utm_term=pdf+holiday+cards PDF link annotation

  • https://www.lavishlook.se/wp-content/plugins/super-forms/uploads/php/files/cefacf1f77aff5d5d0ace2c02d21164a/vovubulotijepubipokiw.pdfIn PDF document text
  • http://raunlarose.us/wp-content/plugins/formcraft/file-upload/server/content/files/16080ba873cf26---kokimanusozirazap.pdfIn PDF document text
  • https://a5productions.com/home/a5pro/public_html/ckfinder/userfiles/files/19702271665.pdfIn PDF document text
  • https://noks.cz/wp-content/plugins/formcraft/file-upload/server/content/files/160856df0c1a5e---zewonikitexibosa.pdfIn PDF document text
  • https://www.verpoort-bouw.be/wp-content/plugins/formcraft/file-upload/server/content/files/16074a307618e6---bejimekunafovuwe.pdfIn PDF document text
  • http://sts-logistika.ru/wp-content/plugins/super-forms/uploads/php/files/77157cadb0ad863b1cd6d9393395fc75/92894129237.pdfIn PDF document text
  • http://bikipvuikhoedep.com/app/webroot/files/editor_upload/files/lakajawavurokusaxe.pdfIn PDF document text
  • http://www.siscard.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609ff453ea439---gatev.pdfIn PDF document text
  • https://www.lipfish.no/wp-content/plugins/formcraft/file-upload/server/content/files/160da70fe21a94---lesukelugotoraredexedok.pdfIn PDF document text
  • http://www.rolstoellift.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aa783f6f0cb---47655678493.pdfIn PDF document text
  • https://hashtag.school/userfiles/file/raletasavigifakamafu.pdfIn PDF document text
  • http://fdscience.com/UPFILE/userfiles/files/tiduxajudavabumidox.pdfIn PDF document text
  • https://ilc.ua/wp-content/plugins/super-forms/uploads/php/files/aqd4dsmcdpjtbroigrv0dfq4g2/78243662641.pdfIn PDF document text
  • https://samavetpharm.com/userfiles/files/79900965579.pdfIn PDF document text
  • http://songiadahoaian.com/upload/ck/files/vilegibukujasuvojelabo.pdfIn PDF document text
  • http://www.contectrade.hu/fckfiles/file/kanigijije.pdfIn PDF document text
  • https://eventaipei.com/upload/files/11366410610.pdfIn PDF document text
  • http://www.ebsjosepirosamaria.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c7455e7e7bd---riwesolekisud.pdfIn PDF document text
  • https://www.rydalmereprestige.com.au/wp-content/plugins/super-forms/uploads/php/files/ov8n4uvki6haa1hsr7f0btvg9f/datifefezatoremiwosagisog.pdfIn PDF document text
  • https://hightechrustremovers.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1607cb6e3701a5---50223809277.pdfIn PDF document text
  • http://hsound.ro/images/custom/file/fuvijapepobizaj.pdfIn PDF document text
  • http://wakingbeauty.com/wp-content/plugins/formcraft/file-upload/server/content/files/16089bde1aec40---sedovosapovovi.pdfIn PDF document text
  • https://amitadevnani.com/userfiles/file/25741089045.pdfIn PDF document text
  • http://www.bridalchapel.com/wp-content/plugins/formcraft/file-upload/server/content/files/16079b89183b21---35996460373.pdfIn PDF document text
  • https://higher-reason.com/wp-content/plugins/super-forms/uploads/php/files/31529f3fejsjphlr1de6ebdh78/vikunobit.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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