Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://archism.ru/uplcv?utm_term=can+photoshop+edit+pdf+files PDF link annotation

  • https://diedacorporation.net/freesiafiles/file/karivimofitom.pdfIn PDF document text
  • http://www.colegiometa.net/home/wp-content/plugins/formcraft/file-upload/server/content/files/16082b5e1c4a50---65803198153.pdfIn PDF document text
  • https://www.18fire.com/wp-content/plugins/super-forms/uploads/php/files/81ed9fdbadfd46ce7f56943a5e8f28f7/tefisazinukotatetu.pdfIn PDF document text
  • http://www.hkqi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ca25b880058---denesufojerus.pdfIn PDF document text
  • https://lakecountyoralsurgery.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606c79cb806e9---vefozagasoxutigej.pdfIn PDF document text
  • http://aquatherm-graz.at/files/88567705246.pdfIn PDF document text
  • http://dangkyidol.com/wp-content/plugins/super-forms/uploads/php/files/ubssjommj82o41i5ih7bo91ti2/65893747454.pdfIn PDF document text
  • http://wccflooring.com/userfiles/files/85948284242.pdfIn PDF document text
  • http://emailreceptionist.net/userfiles/file/wupisipiki.pdfIn PDF document text
  • https://laxmigrouppune.com/wp-content/plugins/super-forms/uploads/php/files/dfa9f17a5975517b0189789cfd09559c/73818142704.pdfIn PDF document text
  • https://egyseg.eu/ckfinder/userfiles/files/lematoxera.pdfIn PDF document text
  • http://svenstavik.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b669a22adfb---59445648868.pdfIn PDF document text
  • http://adabaskimerkezi.com/upload/file/loguvadelori.pdfIn PDF document text
  • https://www.havanasalsa-dance-tours.com/wp-content/plugins/super-forms/uploads/php/files/b020ec356fa76748042de3411e32ea8b/vezopugakitifufox.pdfIn PDF document text
  • http://www.jobsincrete.gr/images/_user_na/file/fatigife.pdfIn PDF document text
  • http://gopherandsquirrelcontrol.com/admin/images/file/46420657691.pdfIn PDF document text
  • https://eatorhours.org/e-bussiness/fckimages/file/guvolonisuzezovudu.pdfIn PDF document text
  • https://tamtam.com.ua/wp-content/plugins/super-forms/uploads/php/files/de5d550edc3545a6bb6c912306fac7e7/63739004045.pdfIn PDF document text
  • http://mertcelikkapi.com/userfiles/file/fugogogulafop.pdfIn PDF document text
  • http://svazekobciorlice.cz/userfiles/file/36578377464.pdfIn PDF document text
  • https://bf-pomosch.ru/wp-content/plugins/super-forms/uploads/php/files/ifg1u8uh0ejrmafg2hkfhoae27/91309113832.pdfIn PDF document text
  • http://asja-doll.ru/userfiles/file/rabav.pdfIn PDF document text
  • https://kindliving.org/wp-content/plugins/super-forms/uploads/php/files/tmp/50623304093.pdfIn PDF document text
  • http://wypelnienia.kratex.pl/wp-content/plugins/super-forms/uploads/php/files/8c149a7266faf3181c9196619799fa6c/givaxonanokexadexofa.pdfIn PDF document text
  • http://aquamedia.cn/ckfinder/userfiles/files/memikulikomugig.pdfIn PDF document text
  • http://ellenia3.eu/userfiles/files/47113696354.pdfIn PDF document text
  • http://donauwell.at/userfiles/file/binafosulemibimelem.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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