MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous embedded links, with one identified as a malicious redirector. The document body, though heavily obfuscated, contains text related to 'Thirty years war book pdf' and the authoring application 'wkhtmltopdf', suggesting a lure to download content. The presence of many Shopify links, some confirmed benign and others unknown, indicates a link farm strategy. The ML classifier strongly flagged this PDF as malicious.
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/wb?keyword=thirty%20years%20war%20book%20pdf
- http://files.nowmetoo.com/uploads/1/3/1/4/131437535/kudakupira_vagoju_teromawoloj_naxesed.pdf
- http://files.theactivelifecoach.org/uploads/1/3/2/7/132712129/liwejogifulufuz-dilekosezokexu-xujaje.pdf
- http://files.endhomelessnessla.org/uploads/1/3/0/7/130775823/5760073.pdf
- http://fenabipe.verisoftgroup.com/uploads/1/3/1/3/131380042/6504097.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0438/6563/7019/files/install_genesis_kodi.pdf
- https://cdn.shopify.com/s/files/1/0430/7881/1810/files/8454161499.pdf
- https://cdn.shopify.com/s/files/1/0432/0156/0737/files/best_self_diary.pdf
- https://cdn.shopify.com/s/files/1/0431/4680/5404/files/97623733021.pdf
- https://cdn.shopify.com/s/files/1/0431/0050/4217/files/rashidun_caliphate.pdf
- https://cdn.shopify.com/s/files/1/0432/4897/6032/files/fuvewezilabomewive.pdf
- https://cdn.shopify.com/s/files/1/0428/1312/8867/files/lazunixelokudapirapapat.pdf
- https://cdn.shopify.com/s/files/1/0440/4409/1557/files/191850010.pdf
- https://cdn.shopify.com/s/files/1/0431/1924/7514/files/54895172414.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_off000061b2.bine8cef7acbe22d27d4be25ab16a1f9c85f463ad8f9f8848ff712301278aed5afb |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x61B2 | 5444 bytes |
font_01_sfnt_off0000743b.binb6b518b30620702bdac88c5f75cadb1b60438c8d26a3eceb069b3b9070305373 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x743B | 9960 bytes |
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