Malicious PDF — malware analysis report

Static analysis result for SHA-256 d3eab05914cf4010…

MALICIOUS

PDF

38.4 KB Created: 2020-10-09 00:56:24 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-21
MD5: 59337cfd60784747cd195c346701922c SHA-1: 78a0b9be11606fda4d08569bed12996286ab7392 SHA-256: d3eab05914cf4010adb5e7fb025ab13b77e642c9fc887f1fcb0c915021dacc57
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://gettraff.ru/strik?keyword=pantagruel+receitas+pdf In PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://cdn.shopify.com/s/files/1/0488/3179/1269/files/and_public_policy_advocacy.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0483/9849/9997/files/que_es_las_sucesiones_en_iniciales.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/6397/4805/files/3.3_comparing_and_ordering_rational_numbers_answer_key.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0483/9735/3109/files/sign_up_for_spam_calls_uk.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0501/5594/6149/files/asian_garden_menu_haymarket.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0496/9817/7181/files/wexenugopetimoru.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/4973/8650/files/personal_finance_economics_crossword_puzzle_answers.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0485/9330/5760/files/gerinavemasa.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/7550/8126/files/45715565807.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0497/4195/5221/files/56610565933.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/1800/9250/files/milton_elementary_school_laredo_tx.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/7396/8030/files/muxonexupiraxivajulotivi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0479/0930/6532/files/34801960039.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0483/9951/5816/files/kaspar_anton_karl_van_beethoven_age.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0266/7862/4439/files/gigujinipikalanijonafa.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_off00004789.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4789 5324 bytes
SHA-256: 4b5a3052e7798df19a58cac74110bfc32027fbbe27e390f84d4a57ab6ac72e80
font_01_sfnt_off000059ad.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x59AD 3252 bytes
SHA-256: 1926c093116ff5a7b917ede3eeda7519bbb1b7ae3dbb77eb35b9505111a9db68
font_02_sfnt_off000066f7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x66F7 10584 bytes
SHA-256: fad8906290341517af9d007d2e4015172fc2187c88085ab07592f63e5370e031

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