MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains embedded links that redirect to malicious infrastructure, specifically a URL designed to look like a utility for exporting blocked numbers. The heuristic PDF_MALICIOUS_REDIRECTOR_LINK confirms this, and the ML classifier strongly indicates maliciousness. The document body, though heavily obfuscated, contains the URL and appears to be a lure for users to click the malicious link.
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=export+blocked+numbers+android
- http://files.rabbidweck.com/uploads/1/3/0/8/130814085/faeb2d524626e9.pdf
- http://files.tepoztlaninstitute.org/uploads/1/3/1/4/131437864/rudupaxu.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0434/4673/0904/files/xemitanare.pdf
- https://cdn.shopify.com/s/files/1/0429/0537/0791/files/daxizofuxujutoragozib.pdf
- https://cdn.shopify.com/s/files/1/0431/1898/5372/files/35299403331.pdf
- https://cdn.shopify.com/s/files/1/0432/2816/8359/files/pan_africanism_summary.pdf
- https://cdn.shopify.com/s/files/1/0434/4286/4289/files/chicken_breast_nutritional_information_6_oz.pdf
- https://cdn.shopify.com/s/files/1/0430/0485/4426/files/quantum_state_tomography.pdf
- https://cdn.shopify.com/s/files/1/0429/7208/6435/files/medical_laboratory_technology_mukherjee.pdf
- https://cdn.shopify.com/s/files/1/0434/2297/4117/files/80370564266.pdf
- https://cdn.shopify.com/s/files/1/0434/1107/9317/files/bausch_and_lomb_microscope_manual.pdf
- https://cdn.shopify.com/s/files/1/0436/5022/0185/files/16347094709.pdf
- https://cdn.shopify.com/s/files/1/0432/4704/2728/files/36589154773.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_off00006ff9.bind75e77149088c950a1dff75b02c7fce0d48469bb10fd203b200dd3590564b733 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6FF9 | 5448 bytes |
font_01_sfnt_off0000825f.binea6ba49fc59d2813c04599e404722c42007a7bb97f6824fc0e00c296f8cfb09e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x825F | 10652 bytes |
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