MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains multiple embedded links, with one identified as a known malicious redirector. The document body, though partially corrupted, suggests a lure related to a 'fake certificate'. The presence of numerous external PDF links, many pointing to potentially benign Shopify URLs but some to unknown domains, indicates a link farm strategy. The ML classifier strongly flagged this PDF as malicious, supporting the assessment of a phishing or redirection attack.
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/pify?keyword=certificado+de+preparatoria+falso+pdf
- http://files.xenyodame.com/uploads/1/3/1/4/131409009/viwopi.pdf
- http://files.phazetheory.com/uploads/1/3/1/4/131454109/70fb882e3.pdf
- http://files.attentivesafety.com/uploads/1/3/1/4/131408056/lamidilipukatuborasa.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0433/8951/7978/files/augusta_jail_report.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/lubogalevomiwubojaxijafax.pdf
- https://cdn.shopify.com/s/files/1/0434/1484/7655/files/geekvape_aegis_legend_manual.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/80023348890.pdf
- https://cdn.shopify.com/s/files/1/0430/9906/2421/files/88340601725.pdf
- https://cdn.shopify.com/s/files/1/0431/5647/1959/files/97742364021.pdf
- https://cdn.shopify.com/s/files/1/0432/0457/5387/files/95299042891.pdf
- https://cdn.shopify.com/s/files/1/0430/9165/6864/files/ashiq_2_songs_download.pdf
- https://cdn.shopify.com/s/files/1/0434/7097/9237/files/42608212879.pdf
- https://cdn.shopify.com/s/files/1/0431/5018/0503/files/kasaxodif.pdf
- https://cdn.shopify.com/s/files/1/0432/4691/1643/files/python_bar_plot.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_off000064a9.binac7e1330095a4163c7bb49d5d2a08f2c9580dbcc02455174884a8c8257be6475 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x64A9 | 5052 bytes |
font_01_sfnt_off000075e5.bin6149b530eb2b4cabe90d630c99150d9f2372a48a691c499e40b5eb0124e8d80d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x75E5 | 11228 bytes |
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