Malicious PDF — malware analysis report

Static analysis result for SHA-256 5d89455919a0414a…

MALICIOUS

PDF

42.8 KB Created: 2020-11-01 12:12:26 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-17
MD5: 49c034019357a4b8ddc14dd2ba8f560b SHA-1: 817148cdf571c73d59a0bdd2daf067871cda99ff SHA-256: 5d89455919a0414a33a6757a0fe02bac3b0786f9b51d8b9bb81f1c562e3f31dd
194 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

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://ggtraff.ru/123?keyword=nail+guide+for+string+art In PDF document text
    • https://xelabuxu.weebly.com/uploads/1/3/4/2/134235382/bab1751f.pdfIn PDF document text
    • https://xojerajap.weebly.com/uploads/1/3/1/3/131384359/zokare.pdfIn PDF document text
    • https://xalipifizipig.weebly.com/uploads/1/3/1/3/131379045/pomukeji.pdfIn PDF document text
    • https://lodirunesu.weebly.com/uploads/1/3/0/8/130874391/vibisixogevopisi.pdfIn PDF document text
    • https://bizavurodetilu.weebly.com/uploads/1/3/4/3/134391156/zojejifusem-minekepesukuxe-jixolumoneziva.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/bakoloj/mathematical_induction_divisibility_examples.pdfIn PDF document text
    • https://s3.amazonaws.com/zarelusipofox/the_impact_of_agricultural_development_on_nigeria_economic_growth.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0496/2435/0871/files/the_child_psychotherapy_treatment_planner.pdfIn PDF document text
    • https://s3.amazonaws.com/tevigotu/metaphors_for_life.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0493/5768/4895/files/92859722864.pdfIn PDF document text
    • https://s3.amazonaws.com/zuxadol/48718967538.pdfIn PDF document text
    • https://s3.amazonaws.com/vexeliku/approaches_to_the_study_of_leadership.pdfIn PDF document text
    • https://s3.amazonaws.com/sazariwapa/culinary_tourism_journal.pdfIn PDF document text
    • https://s3.amazonaws.com/xazarujokemus/encuesta_habitos_alimenticios.pdfIn PDF document text
    • https://s3.amazonaws.com/tifuwuw/manual_de_economia_politica_vilfredo_pareto.pdfIn PDF document text
    • https://s3.amazonaws.com/rebomedug/after_effects_cc_tutorials.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

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00006a6f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6A6F 5044 bytes
SHA-256: 4d7740e0f770684d2004f58cd591d6f18c499b2daa71d69618eb4cfeecf394ee
font_01_sfnt_off00007bad.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7BAD 10240 bytes
SHA-256: f08fc5c9244424e02768bf3d378a6d4f08bbff6a50f224e9489f28cea73d9bb1

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