Malicious PDF — malware analysis report

Static analysis result for SHA-256 3309ee02a78bbf9a…

MALICIOUS

PDF

44.0 KB Created: 2020-07-31 05:57:16 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-07
MD5: 0077dd4f29be4031ab2134968568b9be SHA-1: ca2e5ad609b1bcab65e86b2be56303de749a749e SHA-256: 3309ee02a78bbf9a0d5fe0a1482304af766490633b83aa41f7a9270b612e63c9
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains embedded links that redirect to malicious infrastructure, specifically identified by the PDF_MALICIOUS_REDIRECTOR_LINK heuristic. The document body, though heavily obfuscated, contains text related to PDF editing, likely serving as a lure. The PDF_SEO_LINK_FARM heuristic indicates a large number of external links, many pointing to Shopify domains, suggesting an attempt to distribute malicious content through a seemingly legitimate platform. The ML_NYX_PDF_MALICIOUS classifier strongly indicates malicious intent.

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=how+to+add+text+to+pdf+document+online In PDF document text
    • http://files.beansgreensproteins.com/uploads/1/3/0/8/130813975/62dcd1dcc07ab47.pdfIn PDF document text
    • http://files.nhfuneral.org/uploads/1/3/2/6/132682802/parariti_minigijodu_bazizisexuso.pdfIn PDF document text
    • http://files.northmesquitechoir.com/uploads/1/3/1/4/131452942/jajebajegogoli-jezuruvi.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/1/0436/4389/5958/files/97742927449.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/0428/7383/files/dijowepajot.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/2201/4870/files/82772563506.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/5698/8317/files/10695686887.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/0796/5341/files/95233686812.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/0118/4417/files/16943139773.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/4916/4698/files/dozajamilefepo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/4012/0733/files/lilemojewobigeribazexobum.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/5802/7928/files/japatazixo.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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00006fcb.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6FCB 5032 bytes
SHA-256: 869d3766a8d54567c1bcc35cbc3bad80cef57831b93ba583fd219c7ed192ac4a
font_01_sfnt_off000080ed.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x80ED 10004 bytes
SHA-256: 4cfb6f91b955bdd121f42a17b3d92a8628134f7d6cd8b5cd8a98f61a06265af5

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