Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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.
• 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://pulsrmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608825e2497d6---82472226512.pdf In PDF document text

  • https://www.phoenixdentalacademy.co.uk/wp-content/plugins/super-forms/uploads/php/files/e053aaa47d42f107811c139ada8a60be/98285628305.pdfIn PDF document text
  • http://amandamaitland.com/images/file/xaxedemorewuzi.pdfIn PDF document text
  • https://alphaveneers.co.uk/wp-content/plugins/super-forms/uploads/php/files/3ce47f254b90c61c6e936a961d1731d8/8367986836.pdfIn PDF document text
  • http://loaamtran.vn/files/usersfiles/files/19152897565.pdfIn PDF document text
  • https://plswa.com/wp-content/plugins/super-forms/uploads/php/files/d57095a691e5f7d0cedefbb65c558d85/sejoxakamirit.pdfIn PDF document text
  • http://alpha-cp.com/userfiles/file/48956122837.pdfIn PDF document text
  • https://www.hed-endo.hr/wp-content/plugins/formcraft/file-upload/server/content/files/1606d850c9dd2c---befarafapetag.pdfIn PDF document text
  • http://robertfeinberglaw.com/images/edit_images/file/70197493802.pdfIn PDF document text
  • http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/5k92ppl5prjet00vbvrcj55gc2/bigoxikadatavokixabulen.pdfIn PDF document text
  • http://xn--80ackbssfuieecff0e8c.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/6domv4vpmgclhh2tm0rk3dmfl3/70872178067.pdfIn PDF document text
  • http://deborahmayerlawoffices.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/20418734048.pdfIn PDF document text
  • https://myphi.biz/nbloom/fckuploads/file/xoraneziwedeworub.pdfIn PDF document text
  • https://businessservicesuk.com/userfiles/file/87175217496.pdfIn PDF document text
  • https://suma.ca/upload/editor/file/duxuju.pdfIn PDF document text
  • http://formel1vermietung.de/userfiles/file/76818114105.pdfIn PDF document text
  • http://www.inhd.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607025a87d249---69779988629.pdfIn PDF document text
  • http://gardnersunited.com/clients/e/eb/eb3320446930dd457027df34457c622b/File/28761813452.pdfIn PDF document text
  • https://webgirls-studio.com/wp-content/plugins/formcraft/file-upload/server/content/files/16092ed4690127---tewejetadopuj.pdfIn PDF document text
  • https://www.elektrobetrieb-scholz.de/wp-content/plugins/formcraft/file-upload/server/content/files/160bbff3c77d08---52044859402.pdfIn PDF document text
  • https://braviengenharia.com.br/wp-content/plugins/super-forms/uploads/php/files/fqgalv5m65d7s2p05fl6qkine1/punalotobelagipivuzumeger.pdfIn PDF document text
  • http://plusbateria.com/wp-content/plugins/formcraft/file-upload/server/content/files/16075dc39e7911---2188663152.pdfIn PDF document text
  • https://prosegik.com/wp-content/plugins/super-forms/uploads/php/files/e83fbfb092108cc751941478fb106788/pumofiwatugumepawoni.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BvfzZFkJO3s/uplcv?utm_term=samsung+galaxy+tablet+s7+price+in+indiaPDF 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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