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 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.
• Brand-impersonation credential phishing lure critical SE_BRAND_CREDENTIAL_PHISH
  Document impersonates a well-known consumer brand and uses account-security / verification language ('unusual activity', 'account on hold', 'verify your account') to steer the reader to a credential-harvesting link. Corroborated by: action link to abused redirector https://penopamez.weebly.com/uploads/1/3/4/4/134496097/470937.pdf.
• Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINK
  PDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
• QR-code redirect lure medium SE_QR_LURE
  Document instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
• 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://traffmen.ru/strik?utm_term=sim+card+info+pro+apk In PDF document text

  • https://cdn.sqhk.co/desiruzag/XrjbHii/alarm_button_app.pdfIn PDF document text
  • https://penopamez.weebly.com/uploads/1/3/4/4/134496097/470937.pdfIn PDF document text
  • https://kikoxelila.weebly.com/uploads/1/3/4/3/134335894/mumene-najadogiwed.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://s3.amazonaws.com/susopuzupure/gewuno.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/50b4a827-bdc4-492c-9056-07ea99c55801/rhythm_counting_worksheets.pdfIn PDF document text
  • https://s3.amazonaws.com/nolarifaforuxop/calendar_2020_template_monthly.pdfIn PDF document text
  • https://s3.amazonaws.com/solonebosop/break_up_ke_baad_movie_watch_online.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/c8c8eb02-df93-4f54-8693-da12991699e9/41445705690.pdfIn PDF document text
  • https://s3.amazonaws.com/zebarufuridorur/hot_wheels_game_for_computer.pdfIn PDF document text
  • https://s3.amazonaws.com/kesumasaka/candy_camera_old_version_2016.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/0e9329a1-409c-47be-b5e0-34c8c99b2676/circuitos_de_disparo_para_tiristores.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/be0c0ba5-516c-416e-bcdc-a5120bb6e8d0/77853032162.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/e5c616e7-3267-4e55-8251-f74765153166/terrestrial_flatworms_uk.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 PDF document text

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