MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous embedded links, with one prominent URL leading to a known malicious redirector. The document body, though heavily obfuscated, includes the same malicious URL and other links to Shopify-hosted PDFs, suggesting a link farm or redirection scheme. The ML classifier strongly flagged this PDF as malicious, indicating a high likelihood of malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 4
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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF 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.
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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall 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.
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe 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.
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Embedded URL info EMBEDDED_URLOne 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=cantata+131+bach+pdf
- http://files.pennysmithrealty.com/uploads/1/3/1/0/131070452/waxularekeluletu.pdf
- http://files.buildingourtomorrow.org/uploads/1/3/2/6/132695194/xabibovul.pdf
- http://files.biodanzausa.com/uploads/1/3/1/1/131164250/bexogozuxutoxomisid.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0434/6583/4658/files/45873211908.pdf
- https://cdn.shopify.com/s/files/1/0435/0020/8294/files/wukiso.pdf
- https://cdn.shopify.com/s/files/1/0432/2692/3172/files/brittany_renner_judge_this_cover_free.pdf
- https://cdn.shopify.com/s/files/1/0428/2135/3635/files/nelogiligubu.pdf
- https://cdn.shopify.com/s/files/1/0431/7537/9101/files/98464385756.pdf
- https://cdn.shopify.com/s/files/1/0432/0568/9504/files/5504966499.pdf
- https://cdn.shopify.com/s/files/1/0431/6479/5044/files/posow.pdf
- https://cdn.shopify.com/s/files/1/0432/7397/8011/files/vegobubik.pdf
- https://cdn.shopify.com/s/files/1/0429/9328/7321/files/mefijagux.pdf
- https://cdn.shopify.com/s/files/1/0429/2725/9811/files/71294581126.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006e68.bin33da7b362f2eef2951fd4cf789f7871a3e20f3e32e49c3dc4805421a406ef852 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6E68 | 5200 bytes |
font_01_sfnt_off0000801a.bin7aa1a43e058321512ea580fa6db556c345a14999a983f8e7641b6332f7ff7579 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x801A | 10016 bytes |
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