Malicious PDF — malware analysis report

Heuristics 7

• 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.
• Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE
  Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
• 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://ggtraff.ru/wb?keyword=ibps%20rrb%202018%20notification%20pdf%20apply In PDF document text

  • https://mipirizu.weebly.com/uploads/1/3/2/6/132682564/8893398.pdfIn PDF document text
  • https://firedisivimi.weebly.com/uploads/1/3/0/9/130969818/7971148.pdfIn PDF document text
  • https://s3.amazonaws.com/tadovu/tulepagutuf.pdfIn PDF document text
  • https://s3.amazonaws.com/xipavir/jurnal_ant_colony_optimization.pdfIn PDF document text
  • https://s3.amazonaws.com/novipaliwid/intelligence_report_writing_guide.pdfIn PDF document text
  • https://s3.amazonaws.com/tejuvonixag/archive_email_to_outlook_2010.pdfIn PDF document text
  • https://s3.amazonaws.com/tometubufimopim/blaise_cendrars_gratuit.pdfIn PDF document text
  • https://s3.amazonaws.com/dinigugaxej/62556574096.pdfIn PDF document text
  • https://s3.amazonaws.com/leguvefu/29940416550.pdfIn PDF document text
  • https://s3.amazonaws.com/tapexiw/babezuse.pdfIn PDF document text
  • https://sokuvotaboraj.weebly.com/uploads/1/3/0/7/130776263/bejogizeziputom.pdfIn PDF document text
  • https://s3.amazonaws.com/rorives/lorain_county_dog_kennel.pdfIn PDF document text
  • https://s3.amazonaws.com/daraniwekamidir/mage_the_ascension_character_sheet.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00006e27.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00006e27.bin)
  • https://uploads.strikinglycdn.com/files/f616ffa6-239e-4060-b9ee-d4f254e55489/likiwifuvexef.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/7a385c2f-237b-4027-963d-cab2c0e1b193/acnl_face_guide_shampoodle.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/a704da9b-13ae-4d5f-8f89-08b580ebc212/wuvigi.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/6f15d595-adb7-42d9-843a-133342dd104d/24253214640.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/d67276d4-ade1-4b9a-8032-4db6e577f253/5526897886.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0481/6371/7269/files/fodogefumefazeruf.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/f05a8a24-3d3a-47b2-aac1-76b8c5e81f39/zokus.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0435/6639/9647/files/world_population_distribution.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/bd22a605-ebf2-4116-a75c-049b43031c3c/54808547745.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/7e931853-3cdf-4215-817c-8f583d0c8db3/sapetazerevodoliwetejexo.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/d307226d-4912-424b-9925-b42691e2ef9f/gojemavidorovonaruri.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_off00006e27.bin)

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