Malicious PDF — malware analysis report

Heuristics 9

• 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 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.
• 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.
• Malformed active-content stream length medium PDF_MALFORMED_EXPLOIT_STREAM_LENGTH
  A PDF stream that carries active/exploit-looking content has a declared /Length that does not match the recovered stream body. Malformed stream boundaries and length mismatches are common parser-evasion/supporting evidence around Reader exploit streams.
• Callback phishing phone lure medium SE_CALLBACK_LURE
  Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) or Microsoft license-boilerplate documents that carry no urgency or charge/dispute escalation.
• 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://site-1168108.mozfiles.com/files/1168108/68055030096.pdf In PDF document text

  • https://static.s123-cdn-static.com/uploads/4367622/normal_6006200a7a46d.pdfIn PDF document text
  • https://site-1191329.mozfiles.com/files/1191329/kovunagizifabuz.pdfIn PDF document text
  • https://s3.amazonaws.com/fibesezati/wexiziw.pdfIn PDF document text
  • https://savatevadenu.weebly.com/uploads/1/3/1/4/131452836/710d5ce.pdfIn PDF document text
  • https://site-1176629.mozfiles.com/files/1176629/60998240612.pdfIn PDF document text
  • https://s3.amazonaws.com/banula/71978206658.pdfIn PDF document text
  • https://cdn.sqhk.co/nomavunut/2ELYwUx/3514568644.pdfIn PDF document text
  • https://s3.amazonaws.com/kaxukok/tilepuxin.pdfIn PDF document text
  • https://s3.amazonaws.com/tapelu/audi_a4_2017_car_manual.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4412158/normal_5ff539ccbe85b.pdfIn PDF document text
  • https://cdn.sqhk.co/nuroteditu/bgfhaTL/65631394849.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4404520/normal_6007d6a20a61d.pdfIn PDF document text
  • https://s3.amazonaws.com/tesotiwapax/48165668217.pdfIn PDF document text
  • https://cdn.sqhk.co/lawafopugu/JkihjcK/93102621458.pdfIn PDF document text
  • https://yafferge.ru/123?utm_term=nekter+jobs+near+meIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off0000dea1.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off0000dea1.bin)
  • 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_00_sfnt_off0000dea1.bin)

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