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
• 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.
• Image-heavy PDF with invisible link to suspicious domain high PDF_SUSPICIOUS_LINK_LURE
  PDF is a small image-heavy lure with invisible link annotations that send the user to a suspicious high-risk-domain URI. This matches credential-phishing carriers where the visible document is only a prompt and the real collection flow happens on the linked website.
• LOLBin token sequence in document text high SE_LOLBIN_RUN_COMMAND
  Extracted document text contains a Windows script/execution tool name (PowerShell, mshta, cmd, rundll32, regsvr32, …) within 220 characters of a dangerous flag, command verb, or URL. This is a visible 'run this' instruction in HTML/PDF/RTF lure bodies, or — in macro-laden Office files — the macro's own string-pool entries appearing adjacent in extracted text.
• 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://leonvi.ru/wix?keyword=flash+rom+apk+no+root PDF link annotation

  • https://cdn.sqhk.co/befozaxulot/TigBHD9/18685116771.pdfIn PDF document text
  • https://cdn.sqhk.co/lazujanaziri/bjbijki/58470812244.pdfIn PDF document text
  • https://cdn.sqhk.co/lilapanorup/pgjghUP/veludiro.pdfIn PDF document text
  • https://cdn.sqhk.co/wekababu/e4c5FOE/black_men_s_hair_curly_short.pdfIn PDF document text
  • https://cdn.sqhk.co/buzivafulet/OgdTheY/mcat_score_range_for_top_medical_schools.pdfIn macro / runtime command snippet
  • https://cdn.sqhk.co/kobedobofepo/fKij6jh/la_vie_en_rose_karaoke_english.pdfIn PDF document text
  • http://securitycheckingbrowservkcom.xyz/notary_acknowledgement_formxspyz.pdfIn PDF document text
  • https://cdn.sqhk.co/sezepemanu/6jd0hgf/29171745821.pdfIn PDF document text
  • https://cdn.sqhk.co/xovikojux/1TSdPje/slot_car_racing_tracks_in_ct.pdfIn PDF document text
  • https://cdn.sqhk.co/zukasedu/Ojgie9u/90104262681.pdfIn PDF document text
  • https://cdn.sqhk.co/rekubapapup/hJYiFLb/draw_in_word_mac.pdfIn PDF document text
  • https://cdn.sqhk.co/kezixowog/czghhem/elementalist_gloomhaven_painted.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/nuxulikiwab/date_format_in_tableau_calculated_field.pdfIn PDF document text
  • https://s3.amazonaws.com/jivala/naratirewirapenujemoruri.pdfIn PDF document text
  • https://s3.amazonaws.com/midaguvimabof/chef_d_oeuvre_reforme_cap.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
  • https://s3.amazonaws.com/jivala/naratirewiraIn macro / runtime command snippet
  • http://scripts.sil.org/OFLIn PDF document text

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