MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a large number of embedded links, with one identified as a known malicious redirector. The ML classifier also flagged this PDF as malicious. The document body, though heavily obfuscated, contains URLs that are likely part of a link farm or phishing campaign. The primary attack pattern involves directing users to external, potentially malicious, websites.
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/wb?keyword=trumpet%20voluntary%20clarke%20pdf
- http://files.companychowfoodjunkies.net/uploads/1/3/1/4/131437733/1c81aba.pdf
- http://bufuvex.herveybayorchidsociety.com/uploads/1/3/0/7/130776167/wonor.pdf
- http://vemarita.lorrainepearl.com/uploads/1/3/0/8/130874359/5409363.pdf
- http://files.questgolfacademy.co.uk/uploads/1/3/1/6/131636828/megujox.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0431/0056/9753/files/wefinezapatexumex.pdf
- https://cdn.shopify.com/s/files/1/0430/8844/5604/files/60124118170.pdf
- https://cdn.shopify.com/s/files/1/0435/9897/1038/files/periodic_table_of_elements_list_with_atomic_mass.pdf
- https://cdn.shopify.com/s/files/1/0429/2601/4620/files/63801471361.pdf
- https://cdn.shopify.com/s/files/1/0434/2641/4743/files/situlowabetelotamam.pdf
- https://cdn.shopify.com/s/files/1/0434/6127/9896/files/woridovavadawut.pdf
- https://cdn.shopify.com/s/files/1/0433/7431/3621/files/black_hole_sun_guitar.pdf
- https://cdn.shopify.com/s/files/1/0441/0084/5720/files/70533840920.pdf
- https://cdn.shopify.com/s/files/1/0434/3654/0069/files/78416307521.pdf
- https://cdn.shopify.com/s/files/1/0431/5856/9128/files/82000447829.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_off000071d9.bin7fbe12db0b99b742d78ee49279b45890d2899a7564ee877d82d5d2eea2dfa9a9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x71D9 | 5296 bytes |
font_01_sfnt_off000083d5.bine7efbe5c7fe5bd7cee19930b8ad709de87987cf6e3924e8062fb3ac6b84810a6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x83D5 | 10112 bytes |
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