Malicious PDF — malware analysis report

Static analysis result for SHA-256 8602475e1f9733af…

MALICIOUS

PDF

35.5 KB Created: 2020-08-19 03:59:00 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-07
MD5: 0287eda8269580d04affbc41e5aab743 SHA-1: 35a963472e95e5a53dc2adc0668a382de5541811 SHA-256: 8602475e1f9733af9bbf794d91df1f9de4c551fea3e0dd8a5029d784be67a533
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF contains a link farm and a redirector URL, indicating a phishing or scam attempt. The embedded link `https://ttraff.cc/pify?keyword=doraemon+ka+cartoon++free` is identified as malicious. The document's structure and embedded links suggest it is designed to lead users to malicious infrastructure, likely for further exploitation or credential harvesting.

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.cc/pify?keyword=doraemon+ka+cartoon++free In PDF document text
    • http://files.tltwriting.com/uploads/1/3/0/7/130739974/kigikibok.pdfIn PDF document text
    • http://files.ombodieslondon.com/uploads/1/3/1/6/131636665/6cf3e21114d4.pdfIn PDF document text
    • http://files.foodandmoodhealing.com/uploads/1/3/1/4/131437980/xanir_makogevofog_tobonofixo_tajipojugoxito.pdfIn PDF document text
    • http://wanuk.chriswarrendickins.com/uploads/1/3/0/7/130776617/pisidivot.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/1/0430/0832/7829/files/87358765542.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/4670/7104/files/nomisalegu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/26443777516.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/8774/9525/files/82118927651.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/6083/8050/files/fegudikezatesegobodi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0457/6690/1924/files/lawigulinepilarenudo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/2402/2677/files/mathematical_constants_list.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9354/1532/files/milusolavun.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 1

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

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00004ef3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4EF3 4880 bytes
SHA-256: c55a67ef329bd97158e1588ed0111b547190a7a9783019dc1e74219df0961a4e
font_01_sfnt_off00005f7b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5F7B 9936 bytes
SHA-256: 03d173e956f88ee0c714f38edb359d9eade23e4981d258e626c7c222b227af4d

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