Malicious PDF — malware analysis report

Static analysis result for SHA-256 03d262c61122ed81…

MALICIOUS

PDF

44.5 KB Created: 2020-07-29 06:15:44 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 3e11c8e3141cf55bc767eb69bb357901 SHA-1: 38f0ebed31d098747bc524be9e068236915ad89e SHA-256: 03d262c61122ed81c03b8ac9a6aece5851de8f4160bd86e24cffe5c0504a56c6
194 Risk Score

Malware Insights

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

The PDF contains multiple heuristics indicating it is a malicious redirector and part of an SEO link farm. The embedded link directs to a known malicious redirector, which is likely intended to lead the user to a phishing or malware download site. Although no scripts were extracted, the PDF structure and embedded links strongly suggest a malicious intent to redirect users to harmful content.

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=multiplying+mixed+fractions+with+unlike+denominators+worksheets In PDF document text
    • http://files.moring-sandojo.com/uploads/1/3/0/7/130776487/bikeju_jitufolenag_totumom_judiw.pdfIn PDF document text
    • http://files.mytravel.guide/uploads/1/3/1/8/131856991/dinexalabaro.pdfIn PDF document text
    • http://files.strongevan.com/uploads/1/3/0/9/130969507/d6904a3cd4.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/1/0437/6294/2101/files/60257110338.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/8617/5651/files/mixefodizinakibu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/7895/0810/files/36908513932.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/1077/6473/files/90851367394.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/3653/3151/files/bupopuzunodijevobebimopix.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/2885/7503/files/sumupafigowulexerivije.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/1687/1336/files/60579268999.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/2490/7414/files/mojizokelajipobo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/kexuxedixu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/7272/4897/files/51336292313.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/9161/6153/files/75757127876.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/mefawubizujoki.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/3997/1736/files/2467021110.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 4

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_off00006e09.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6E09 5784 bytes
SHA-256: 625946da24d05478bde293a59d6ee2cdd6d4bc2f6c59fe4f3ec225cfac1fae88
font_01_sfnt_off000081aa.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x81AA 10112 bytes
SHA-256: 58fcc64748676922a38c94f4ed3e5019d48be93585d84c200221bebaf61fb97d

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