Malicious PDF — malware analysis report

Heuristics 8

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• LOLBin token sequence in document text high SE_LOLBIN_RUN_COMMAND
  Extracted document text contains a Windows script/execution tool name (PowerShell, mshta, cmd, rundll32, regsvr32, …) within 220 characters of a dangerous flag, command verb, or URL. This is a visible 'run this' instruction in HTML/PDF/RTF lure bodies, or — in macro-laden Office files — the macro's own string-pool entries appearing adjacent in extracted text.
• Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LURE
  PDF has 1 image(s), only 0 text block(s), carries a click-outward action, and is only 68 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
• 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://crewmak.ru/uplcv?utm_term=avg+cleaner+pro+cracked+apk PDF link annotation

  • http://powercleanperu.com/cms_powerclean_2015/sgi_userfiles/userfiles/files/doreret.pdfIn PDF document text
  • http://caacoding.net/wp-content/plugins/formcraft/file-upload/server/content/files/161413e2541540---11342312602.pdfIn PDF document text
  • http://graczeonline.pl/userfiles/file/sinuvuxedigixuna.pdfIn PDF document text
  • http://www.protectakoteasia.com/ckfinder/userfiles/files/84944902994.pdfIn PDF document text
  • http://ciarajewellery.com/editor_upload/file/63571688844.pdfIn PDF document text
  • https://apotekatia.ba/fajlovi/losotigiguwugizav.pdfIn PDF document text
  • http://diakmelo.hu/ckfinder/userfiles/files/3021894381.pdfIn PDF document text
  • https://rebates.forex/wp-content/plugins/super-forms/uploads/php/files/o1k8uceqrjccdl29g0u1qsngt3/saselijovogutobivoropew.pdfIn PDF document text
  • http://vector-mebel.ru/uploads/files/nudamelaradaduvalomesur.pdfIn PDF document text
  • https://amagi.la/wp-content/plugins/formcraft/file-upload/server/content/files/16133f83fa26b5---17908173963.pdfIn PDF document text
  • http://vijyaiprismcrm.com/userfiles/files/zevikixolipogupuk.pdfIn PDF document text
  • http://ibarugi.com/fckeditor/userfiles/file/67197001623.pdfIn PDF document text
  • http://elementyzlaczne.pl/media/file/41224487280.pdfIn PDF document text
  • http://www.restorationservice.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1614d111786047---tadajepura.pdfIn PDF document text
  • https://www.teppiche-waschen-hamburg.de/wp-content/plugins/formcraft/file-upload/server/content/files/161356ba5bdd40---badajeseja.pdfIn PDF document text
  • http://bahtiyardishekimi.com/fckfiles/file/saweratoxu.pdfIn PDF document text
  • http://qdcmd.com/data/files/sipareforufosovo.pdfIn PDF document text
  • https://equalland.com/uploads/File/32555258616.pdfIn PDF document text
  • http://regimhotelierbucuresti.com/images/userfiles/38949100287.pdfIn macro / runtime command snippet
  • https://www.cygnusdvlp.in/nitdurgapur/uploads/editorUploads/userfiles/files/xijiwasosiwigak.pdfIn PDF document text
  • http://pazarziraat.com/userfiles/file/22464970687.pdfIn PDF document text
  • http://elard-group.com/ckfinder/userfiles/files/pukulumudebilulip.pdfIn PDF document text
  • http://shethof.ch/cgi-bin/dynamisch/file/52974351504.pdfIn PDF document text
  • https://lodoshosting.com/calisma2/files/uploads/tewefafefuwoxumuluxoga.pdfIn PDF document text
  • https://toananhmedical.com/uploads/files/nasekovelosa.pdfIn PDF document text
  • https://equalland.coIn macro / runtime command snippet
  • 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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