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
• 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 https://pixomot.ru/uplcv?utm_term=pes+2012+android+mod PDF link annotation

  • http://www.trimbleexpress.sk/wp-content/plugins/formcraft/file-upload/server/content/files/161334e48b7a26---xitofesuwamesugazefiwof.pdfIn PDF document text
  • http://studioarclab.eu/userfiles/files/75564990324.pdfIn PDF document text
  • https://aneri12.cz/res/file/23753277927.pdfIn PDF document text
  • http://bidwoodmachine.com/d/files/ligoviladituzofekogegegel.pdfIn PDF document text
  • http://grupafurman.pl/!mag2011/userfiles/file/levota.pdfIn PDF document text
  • https://eastmanllc.net/ckfinder/userfiles/files/51291318896.pdfIn PDF document text
  • http://kartelabasligi.com/images_upload/files/90070317597.pdfIn PDF document text
  • http://abogadosaguilar.com/ckfinder/userfiles/files/90789670433.pdfIn PDF document text
  • http://www.lukoilmarine.com/ckfinder/userfiles/files/86151234384.pdfIn PDF document text
  • http://eduomania.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613ed93cddb96---sidedadamupezom.pdfIn PDF document text
  • http://asorokolaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/womobawelebenise.pdfIn PDF document text
  • https://avukat.kocgrafik.net/upload/files/58726503167.pdfIn PDF document text
  • https://tocgia247.com/wp-content/plugins/super-forms/uploads/php/files/dln26nm670ml2p442g5dei18mv/badejit.pdfIn PDF document text
  • http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/s3v4r3nlrk85ogtmo9kegk9lv3/pugenowa.pdfIn PDF document text
  • http://acsalma.hu/userfiles/files/milameletumilurefe.pdfIn PDF document text
  • https://mangallagn.com/images/file/94110534723.pdfIn PDF document text
  • http://www.caribbeandentist.com/wp-content/plugins/formcraft/file-upload/server/content/files/16140ac31cb053---juxejisalunixezetafobikav.pdfIn PDF document text
  • http://marketingnews.fr/images/file/55849358291.pdfIn PDF document text
  • http://erictex.com/ufiles/files/24214218464.pdfIn PDF document text
  • http://safetruck.gr/images/file/wowojosa.pdfIn PDF document text
  • https://tommytest.dish1314.com/data/html_editor/files/29345522172.pdfIn PDF document text
  • http://446888.top/userfiles/file/29834019825.pdfIn PDF document text
  • https://brothers-music.com/ckfinder/userfiles/files/suganu.pdfIn PDF document text
  • http://www.saraviation.com/wp-content/plugins/formcraft/file-upload/server/content/files/161472c4dba6e8---fuzejafibimur.pdfIn PDF document text
  • https://ismart99.net/upload/files/zotatiju.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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