Malicious PDF — malware analysis report

Static analysis result for SHA-256 701bb1afe29493dc…

MALICIOUS

PDF

48.8 KB Created: 2020-08-21 00:30:29 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 36b53fc2b2f8c8fa07f27c317aebb92d SHA-1: 0e52b23465df2d214918441d0654eabca8001b6f SHA-256: 701bb1afe29493dc3eed3146319c6af11b1095623d7a7b00699141a4970d4127
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a lure for 'Monster Hunter World' which redirects to a malicious SEO link farm. This indicates a phishing or scam attempt designed to lead users to potentially harmful content. The ML classifier strongly supports the malicious nature of this PDF.

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://ttraff.com/pify?keyword=rotten+vale+guide+monster+hunter+world In PDF document text
    • http://files.gregbenken.com/uploads/1/3/0/7/130738892/1994898.pdfIn PDF document text
    • http://lavime.purelivingwithlisamorton.com/uploads/1/3/1/3/131398547/9085542.pdfIn PDF document text
    • http://tanufek.bestdiabeticmealplans.com/uploads/1/3/1/3/131383483/nikunolanozeto-lapuxanupumon.pdfIn PDF document text
    • http://files.bdfotografika.com/uploads/1/3/0/7/130738859/jazebagosiw-degoxesanak-kejazewedox-jodipu.pdfIn 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/1/0427/6515/6508/files/65967193768.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/7689/5398/files/gimawot.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/8512/8090/files/3319323152.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/8682/2053/files/zilamanegopix.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/9201/6280/files/amapiano_2019_jobe.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/9718/5701/files/43550475607.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/6618/7176/files/39074533886.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/1210/4103/files/relatorio_de_auditoria_financeira.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/8233/3856/files/serenade_schubert_liszt.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/7218/3710/files/altium_designer_17_manual.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/3006/0955/files/totelometagani.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/1175/8491/files/gejanogiwateroto.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

Related samples 2

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000711d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x711D 4468 bytes
SHA-256: 797ce16e037fd9bee8296ca473f0277aa37d747fe95fbb3d5c77c5370b6815ed
font_01_sfnt_off000080c9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x80C9 5400 bytes
SHA-256: 6f6e7f166e26eb62d5d18e1f6627d413ede64ff25c9b56e2edc5a302b4705cc3
font_02_sfnt_off0000930f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x930F 9980 bytes
SHA-256: 355d8de128d09d9bc4406634bc861b699cdf52a03ef98a1a1dc36c6f21015492

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