Malicious PDF — malware analysis report

Heuristics 5

• 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.
• 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.
• 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.me/aws?keyword=edema+agudo+pulmonar+pdf In PDF document text

  • https://nubojubixuxo.weebly.com/uploads/1/3/1/4/131410311/vamatebumaviwaxowenu.pdfIn PDF document text
  • https://puzesijokivokef.weebly.com/uploads/1/3/4/3/134312217/zezavidemenefa.pdfIn PDF document text
  • https://vewutaniwem.weebly.com/uploads/1/3/0/8/130873717/fekibagetit-jotudigomin-kokoxerune-wumax.pdfIn PDF document text
  • https://walijogopabo.weebly.com/uploads/1/3/0/7/130776167/punitetiva.pdfIn PDF document text
  • https://welavofewefose.weebly.com/uploads/1/3/0/8/130813025/3965095.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off000074d5.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off000074d5.bin)
  • https://uploads.strikinglycdn.com/files/ae455a6f-a2e0-4802-9211-6dadb8024e41/73671696061.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/303da1e3-2bb0-4a5c-8f5f-31b87e4a27ba/brazzers_live_11.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/3f85f382-5309-4248-8ce5-f34237fe08e5/23855744744.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/3ec11317-8fdb-470c-b74c-bfbd12989f83/77663580487.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0266/8979/8321/files/icd_10_free.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0266/9087/9667/files/phantasus_arno_holz.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0499/9784/0539/files/xewubudulosarob.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0498/8000/6814/files/sports_car_racing_apk_pure.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0500/5511/9012/files/nojixezulofowulelegufoka.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0494/1185/0407/files/29602416276.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0497/4500/2657/files/post_dated_check_for_rent.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0432/2417/0664/files/65446349645.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0433/6952/9509/files/72712810310.pdfIn PDF document text
  • https://s3.amazonaws.com/bulozor/temperature_conversion_worksheet_celsius_fahrenheit.pdfIn PDF document text
  • https://s3.amazonaws.com/jinabom/fazufasekupe.pdfIn PDF document text
  • https://s3.amazonaws.com/muxegeza/nekosiwukedodetipuwuximo.pdfIn PDF document text
  • https://s3.amazonaws.com/gupuso/kiwifibewex.pdfIn PDF document text
  • https://s3.amazonaws.com/petuzutemixuvod/addis_ababa_tourism.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/cfaa8064-1159-4093-89b3-ed52ad01a359/hile_program_indir_telefona.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/b7cfc513-695b-4a20-927a-a97dd6031ee5/55742848268.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_00_sfnt_off000074d5.bin)

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