Malicious PDF — malware analysis report

Heuristics 8

• 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 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 http://mouaumfb.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c93d70cf463---vejerasan.pdf In PDF document text

  • https://samarthanamparisara.org/apadmin/uploads/userfiles/files/45735455238.pdfIn PDF document text
  • https://semagro-msw.ru/pics/images/file/jabasifimudiko.pdfIn PDF document text
  • http://springgalleryng.com/Images_upload/files/12349498823.pdfIn PDF document text
  • http://stacjaregeneracja.pl/userfiles/file/furewefewomeniwumaxazabu.pdfIn PDF document text
  • https://apskarota.org/userfiles/file/jefuf.pdfIn PDF document text
  • https://accesoriosalmayor.com/images/userfiles/file/33143024922.pdfIn PDF document text
  • http://inventory-acepipe.com/images/uploads/files/28712798356.pdfIn PDF document text
  • http://miyozenemeryville.com/uploads/files/73736218484.pdfIn PDF document text
  • http://www.driftime.ee/wp-content/plugins/formcraft/file-upload/server/content/files/160f0665528486---lepunikezobow.pdfIn PDF document text
  • http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/2i1ffi49063l55itbrmqdmn101/vogup.pdfIn PDF document text
  • https://www.tangelo.no/wp-content/plugins/formcraft/file-upload/server/content/files/1608218f8da503---tajagutewirasetiwagod.pdfIn PDF document text
  • http://miraesusan.com/ckupload/files/21945187765.pdfIn PDF document text
  • http://www.sunarmisir.com.tr/wp-content/plugins/super-forms/uploads/php/files/58paqa9ff4643iefahg4svnn50/41289160409.pdfIn PDF document text
  • http://aeskulap24h.com/wp-content/plugins/formcraft/file-upload/server/content/files/16099f0171f012---foker.pdfIn PDF document text
  • https://noks.cz/wp-content/plugins/formcraft/file-upload/server/content/files/160b1ff60366b7---26647200057.pdfIn PDF document text
  • http://xn--90ad5ackt1d.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/5f43e57f1f7f2e72fb43c8f9d2085c6f/gepoteduwamiwa.pdfIn PDF document text
  • https://michelbarbot.com/upload/files/vibom.pdfIn PDF document text
  • https://mvmdigital.gr/files/files/16842145601.pdfIn PDF document text
  • http://casaalu.com/luutru/files/mukaferezon.pdfIn PDF document text
  • http://ajivikafinance.com/userfiles/file/tevunusimitekujekezajed.pdfIn PDF document text
  • https://stcatherine.ac.ug/wp-content/plugins/formcraft/file-upload/server/content/files/160ab1983b386f---zisavutirusoxixi.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/FevRqgeaUVY/uplcv?utm_term=vcredist_x86_2005_sp1.exe+free+downloadPDF 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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