Malicious PDF — malware analysis report

Heuristics 8

• PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
  PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
• Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
  Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
• Travel-support phone-number stuffing scam critical SE_TRAVEL_SUPPORT_PHONE_SCAM
  Document repeats phone numbers in airline/travel/refund/support language, often across multiple regional phrasings. This matches SEO/support-scam PDFs that impersonate airlines or travel brands and route users to attacker-controlled call centers rather than a normal travel document.
• Clipboard command execution lure high SE_CLIPBOARD_COMMAND_LURE
  Document tells the user to copy or paste clipboard content into Run, PowerShell, cmd, or another shell-like execution context
• ClickFix social engineering attack high SE_CLICKFIX
  Document instructs the user to press Win+R or paste a command into a terminal — consistent with ClickFix attacks that bypass macro restrictions by tricking users into running malicious commands directly
• 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.
• 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://gettraff.ru/strik?keyword=windows+7+update+error+code+9c59+ie11 In PDF document text

  • https://nojarotawufa.weebly.com/uploads/1/3/4/3/134313922/biginamobumaxi.pdfIn PDF document text
  • https://xonovezalewame.weebly.com/uploads/1/3/4/4/134489084/1374634.pdfIn PDF document text
  • https://s3.amazonaws.com/sugaguxagu/variable_annuities.pdfIn PDF document text
  • https://s3.amazonaws.com/xebuvuwov/fundamentals_of_thermodynamics_9th_edition_free.pdfIn PDF document text
  • https://robivitoj.weebly.com/uploads/1/3/4/3/134334713/ae970.pdfIn PDF document text
  • https://natulawud.weebly.com/uploads/1/3/4/3/134309077/rovexe.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4372983/normal_5f907da50cb54.pdfIn PDF document text
  • https://veforolafumokiv.weebly.com/uploads/1/3/4/3/134340642/3381354.pdfIn PDF document text
  • https://sasenepekevob.weebly.com/uploads/1/3/4/2/134266747/d163ef0c4aa3.pdfIn PDF document text
  • https://s3.amazonaws.com/xapidajovaji/anti_theft_application_for_android_based_devices.pdfIn PDF document text
  • https://tenagudewujuga.weebly.com/uploads/1/3/1/1/131164273/bisutadigaju_buvip_ridefiwisesoti_febije.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_01_sfnt_off0000f1e0.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_01_sfnt_off0000f1e0.bin)
  • https://uploads.strikinglycdn.com/files/f0fc29df-787d-4969-b261-ba0a53aa84b1/14942707802.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/c285b36d-7e1a-4a17-910e-04f7330011fb/nepiliromo.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/d7ed0520-a674-4ead-ad1b-8a8733b2c0ac/lexule.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/1aad3a73-5f09-4182-aace-cc51d2f30a17/3540945058.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/88a8c5c8-a0c8-485d-98b8-96df54b39b1c/4001130925.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://scripts.sil.org/OFLIn extracted file (font_01_sfnt_off0000f1e0.bin)
  • http://dejavu.sourceforge.netIn extracted file (font_03_sfnt_off0001386d.bin)
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_03_sfnt_off0001386d.bin)

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