MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded links, many of which point to external PDF files hosted on various domains. One critical heuristic identified a link to known malicious redirector infrastructure, suggesting a phishing or malware distribution attempt. The document body, though partially obfuscated, contains a URL that aligns with the detected malicious redirector.
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/wb?keyword=dom%20quixote%20em%20quadrinhos%20miguel%20de%20cervantes%20pdf
- http://files.busyboldlife.com/uploads/1/3/0/8/130814984/gazesaviwavera.pdf
- http://files.kdhodges.com/uploads/1/3/2/7/132740321/5360778.pdf
- http://files.putitbluntly.org/uploads/1/3/0/7/130740232/4218744.pdf
- http://files.cozykidsembroidery.com/uploads/1/3/1/4/131409170/ninebafakafekip.pdf
- http://files.jrhewson.com/uploads/1/3/1/3/131398222/05a3d550.pdf
- http://files.michaelbrownslawoffice.com/uploads/1/3/1/4/131406762/xajixolaxexojobegu.pdf
- http://files.kimberlyjherb.com/uploads/1/3/1/4/131407734/6aaa27c09255.pdf
- http://files.queensboyzexplorers.com/uploads/1/3/1/3/131378816/7350eb.pdf
- http://files.handmadebylouisa.com/uploads/1/3/0/7/130775827/25f7f89e987e0.pdf
- http://files.saiseikarate.com/uploads/1/3/0/9/130969993/matusava-miradajasorug-petewajowa.pdf
- https://zowidunu.files.wordpress.com/2020/07/ramamudemiput.pdf
- https://gapilopuzo.files.wordpress.com/2020/06/49011562513.pdf
- https://musuzob.files.wordpress.com/2020/06/6353796977.pdf
- https://pijugelupuw.files.wordpress.com/2020/07/wujikanofena.pdf
- https://tufabusukas.files.wordpress.com/2020/06/papanafo.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/wugituvunajobi.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/xugufu.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/26443777516.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/
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000090b0.bindb282e1818567b512386d658aaefbd80b72657410f3b51d74c96e303f1c53218 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x90B0 | 5704 bytes |
font_01_sfnt_off0000a3f1.bin9311f4d2ad0be937baf3b810e31a8562dfc55109ca13d6e6f85c28441c87854c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA3F1 | 11484 bytes |
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