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.
• Recovery secret / private key request critical SE_SECRET_RECOVERY_LURE
  Document requests recovery phrases, private keys, backup codes, or saved passwords. Requests for these secrets in a document are high-risk.
• 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.
• Payment redirection / bank-detail change lure high SE_PAYMENT_REDIRECT_LURE
  Document describes new or changed bank, wire, ACH, IBAN, SWIFT, or routing instructions — a high-value business-email-compromise pattern
• 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) 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://ttraff.com/pify?keyword=i+forgot+my+gmail+security+question+answer In PDF document text

  • http://fumup.amgcorporateoffices.com/uploads/1/3/1/4/131482995/bitejawa_godekirivor_dejatuxel.pdfIn PDF document text
  • http://files.vivwalkerart.com/uploads/1/3/0/7/130738701/9228516.pdfIn PDF document text
  • http://files.ketchikanwhales.com/uploads/1/3/1/4/131453456/telale_mimulodob_lumabedaditi.pdfIn PDF document text
  • http://files.statedshowroom.com/uploads/1/3/1/0/131070212/3bf8e28a0cb60a.pdfIn PDF document text
  • http://diweri.justcapsusa.com/uploads/1/3/2/8/132814930/rurobu_xejapixekiridal_zolufes_zujunopifoge.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://www.daltonmaag.com/In PDF document text
  • https://cdn.shopify.com/s/files/1/0431/1282/4993/files/notevifidesija.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/68876684382.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0429/9646/5823/files/great_quotes_of_all_time.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0432/2679/2093/files/99789993383.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0433/2693/1099/files/alcohols_and_phenols_ncert.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0441/3734/9272/files/journey_to_the_center_of_the_earth_full_book.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0439/9906/8318/files/79622292576.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0430/1117/8649/files/business_writing_tips.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0447/7979/8679/files/givikakolagog.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0433/6861/1996/files/kedojuvinigubutoxoloje.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0434/8936/2082/files/tuvewo.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0435/5974/7745/files/56820806623.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0437/7113/4106/files/tasik.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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