MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains embedded links, with one specifically pointing to a known malicious redirector. The document body, though heavily obfuscated, contains the same malicious URL and appears to be part of a link farm designed to lure users. The ML classifier strongly indicated maliciousness, supporting the redirector finding.
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.cc/wix?keyword=carnot+heat+engine+pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0431/5460/4198/files/lejum.pdf
- https://cdn.shopify.com/s/files/1/0432/3049/4878/files/jukovivek.pdf
- https://cdn.shopify.com/s/files/1/0431/3835/1255/files/new_cutting_edge_pre_intermediate_workbook.pdf
- https://cdn.shopify.com/s/files/1/0431/4054/6714/files/93467974983.pdf
- https://cdn.shopify.com/s/files/1/0431/5856/9115/files/vajozuriwopudekilux.pdf
- https://cdn.shopify.com/s/files/1/0433/0553/3598/files/lixefatitunamolasidates.pdf
- https://cdn.shopify.com/s/files/1/0448/0807/7473/files/open_e_aadhar_card_download_file_password.pdf
- https://cdn.shopify.com/s/files/1/0432/2626/7816/files/unix_linux_administration_handbook.pdf
- https://cdn.shopify.com/s/files/1/0429/1022/0447/files/takexutoz.pdf
- https://cdn.shopify.com/s/files/1/0430/7173/3917/files/23470666773.pdf
- https://cdn.shopify.com/s/files/1/0430/3159/3113/files/xawinipefakuxepa.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_off00006f8b.binc235db8ad411c2229708c740f803bceb3cd9f9cd26735e7263508817bb009159 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6F8B | 5000 bytes |
font_01_sfnt_off00008086.bin0f4f778f23b40b059f3bcb9b52682f54ba331511ad443a9cdf594a81f281dc73 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8086 | 12924 bytes |
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