Malicious PDF — malware analysis report

Static analysis result for SHA-256 d3e4662bf0d5900d…

MALICIOUS

PDF

44.6 KB Created: 2020-10-10 19:14:25 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-21
MD5: 4b4d014b0bf3c6468e7896f80228e13d SHA-1: a505228c365505a22810bb065e47a8a4e713b4b7 SHA-256: d3e4662bf0d5900d9c351d7205c5245d997a4699dc70470bcea0e4ad8eb28938
234 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 6

  • 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.
  • Security software disable instruction high SE_SECURITY_BYPASS
    Document instructs the user to disable antivirus or security software — unusual for ordinary documents and high-risk in an unsolicited file
  • 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://gettraff.ru/strik?keyword=l3100+epson+adjustment+program+free In PDF document text
    • https://site-1043337.mozfiles.com/files/1043337/82431519264.pdfIn PDF document text
    • https://site-1038311.mozfiles.com/files/1038311/wuviroxusovigigilozukofez.pdfIn PDF document text
    • https://site-1038468.mozfiles.com/files/1038468/dopajituroraresu.pdfIn PDF document text
    • https://site-1036988.mozfiles.com/files/1036988/wesotadok.pdfIn PDF document text
    • https://site-1037026.mozfiles.com/files/1037026/sejumevoboli.pdfIn PDF document text
    • http://bemun.texasamericanart.com/uploads/1/3/1/3/131398069/94a596ec51e.pdfIn PDF document text
    • http://fetoruze.worstplayer50.com/uploads/1/3/1/4/131406071/303fa2aff64f.pdfIn PDF document text
    • http://jaguk.pollyyuen.com/uploads/1/3/1/4/131407164/jukodatobuwegif.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://uploads.strikinglycdn.com/files/0cb2e81e-ff32-45c9-8989-91c19a2f22bc/lataruxigadaxesutedatadom.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/249707af-bfa2-4459-b707-a84179ca3de6/popatog.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/8cd46286-b706-4c42-bf17-5474d60455eb/61616221829.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/e48fb26f-0b25-47d8-b6da-1c5d3a568caa/90832568715.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0481/5450/9461/files/lexukawodawugezaz.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/8017/9107/files/solar_deck_lighting_costco.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0496/1022/7876/files/citi_field_new_bag_policy.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/2888/1313/files/chronological_study_bible_thomas_nelson.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0480/6485/6228/files/corsair_void_manual.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00006597.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6597 5704 bytes
SHA-256: 088423dbd2717b094da6f0c2c9d7f734db448ec9990ab540353484b7ae5ae447
font_01_sfnt_off000078ec.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x78EC 1800 bytes
SHA-256: 6d2a3a16cc464ce72cf05976c7f96a31c93af2202e0dc760c37a694345e222ee
font_02_sfnt_off0000817c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x817C 10260 bytes
SHA-256: 76ecd1d68a2980ee72ecac2f3a637957f5f76acd3ea18e67e381570c12254adb

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