MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a significant number of embedded links, with a critical heuristic firing indicating a link farm pointing to a malicious redirector. The ML classifier also strongly flagged this PDF as malicious. The primary malicious IOC is the redirector URL, which likely leads to a further stage of infection. No scripts were extracted, but the structure suggests a phishing or redirection attempt.
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.ru/pify?keyword=diretrizes+do+american+college+of+sports+medicine+pdf
- http://files.foxpoolstores.com/uploads/1/3/1/4/131406717/4497568.pdf
- http://files.gretnaumc.com/uploads/1/3/1/4/131454034/wisif.pdf
- http://files.charlottepantherstrackclub.com/uploads/1/3/1/4/131406068/wipemetuwaside_xulapuzob_vulajofesomul.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0432/3429/5966/files/53524152908.pdf
- https://cdn.shopify.com/s/files/1/0431/5647/1970/files/difazizokixij.pdf
- https://cdn.shopify.com/s/files/1/0431/5276/9192/files/kabutasuretom.pdf
- https://cdn.shopify.com/s/files/1/0428/5697/2455/files/16907170095.pdf
- https://cdn.shopify.com/s/files/1/0433/0668/0484/files/pimojawijumiz.pdf
- https://cdn.shopify.com/s/files/1/0431/5856/9120/files/31070159839.pdf
- https://cdn.shopify.com/s/files/1/0430/4257/0402/files/46444486755.pdf
- https://cdn.shopify.com/s/files/1/0433/7814/7491/files/28315644383.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/9590150980.pdf
- https://cdn.shopify.com/s/files/1/0430/6193/6285/files/37367744978.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_off0001923c.bin5b5a7bf974f8c9a1284a9f4970366dd49c9e1956c5532cd9836c51842c806d14 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1923C | 5312 bytes |
font_01_sfnt_off0001a438.bin9189a757284d61bc782481cfcb2ac11982da6871b177a167b49cb866b006c010 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1A438 | 17528 bytes |
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