MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains embedded links that redirect to a malicious URL, identified by the PDF_MALICIOUS_REDIRECTOR_LINK heuristic. The document body, though heavily obfuscated, contains text related to 'Ielts speaking band score pdf' and the URL itself, indicating a lure to a malicious site. The ML_NYX_PDF_MALICIOUS heuristic further supports the malicious nature of the file.
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=ielts%20speaking%20band%20score%20pdf
- http://files.wicknscents.com/uploads/1/3/1/1/131163669/3080971.pdf
- http://wufepa.lsccmn.org/uploads/1/3/2/7/132712207/8215093.pdf
- http://files.mckeague.com/uploads/1/3/1/3/131383456/jepajafe-sunopuram-xozebupu.pdf
- https://cdn.shopify.com/s/files/1/0433/7316/6757/files/liwibanatajafelu.pdf
- https://cdn.shopify.com/s/files/1/0430/7006/2754/files/sopeminivositi.pdf
- https://cdn.shopify.com/s/files/1/0430/4827/2023/files/zaxiwopadexukikuxa.pdf
- https://cdn.shopify.com/s/files/1/0435/8553/6159/files/42050681723.pdf
- https://cdn.shopify.com/s/files/1/0427/9717/0847/files/dagekurix.pdf
- https://cdn.shopify.com/s/files/1/0433/7516/5594/files/beyblade_burst_apk.pdf
- https://cdn.shopify.com/s/files/1/0437/8089/8973/files/convertir_un_a_word_gratis_en_linea.pdf
- https://cdn.shopify.com/s/files/1/0432/2652/9956/files/barixekizunoloj.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/51730359377.pdf
- https://cdn.shopify.com/s/files/1/0437/6163/1384/files/binomial_probability_table.pdf
- https://cdn.shopify.com/s/files/1/0432/4248/7972/files/43863631054.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_off000091df.bin5094c5ac492337e55938a299aa4b838ca61ad57d58167b420b2e48efb7952017 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x91DF | 5464 bytes |
font_01_sfnt_off0000a472.binc6ae8723d22b51a1e61fa5986e1903c593218cc850a712854518d1aad0d47a06 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA472 | 10176 bytes |
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