MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous embedded links, with one identified as a malicious redirector. The document body, though heavily obfuscated, appears to reference a 'Bose companion 5 service manual' and includes the malicious URL, suggesting a lure to trick users into clicking. The presence of many external PDF links, some hosted on potentially compromised sites, further indicates a link farm or redirection scheme.
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=bose%20companion%205%20service%20manual
- http://files.majesticacademy.net/uploads/1/3/2/6/132696067/1994516.pdf
- http://files.redwoodvisualarts.org/uploads/1/3/0/7/130738859/purewuladaw.pdf
- http://files.splitfingerstudio.com/uploads/1/3/0/8/130874543/e6d08e261.pdf
- http://files.jagst.org/uploads/1/3/1/1/131164534/98fda5cf45fcd8.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0429/2981/5705/files/cultivo_de_bacterias_en_agar.pdf
- https://cdn.shopify.com/s/files/1/0432/5038/5051/files/74064694873.pdf
- https://cdn.shopify.com/s/files/1/0440/5090/7286/files/21195041951.pdf
- https://cdn.shopify.com/s/files/1/0440/2587/2549/files/kubivelopugo.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/nipexaledova.pdf
- https://cdn.shopify.com/s/files/1/0430/4489/6925/files/9472218304.pdf
- https://cdn.shopify.com/s/files/1/0433/0727/0297/files/36003607380.pdf
- https://cdn.shopify.com/s/files/1/0430/6088/7705/files/87071560336.pdf
- https://cdn.shopify.com/s/files/1/0427/5562/1031/files/25183127462.pdf
- https://cdn.shopify.com/s/files/1/0429/0645/2127/files/68024040724.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_off00004781.bin4a9c38019221f6f560a6485461c8540f0e58c4771821d66b7efd3b8024961388 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4781 | 5312 bytes |
font_01_sfnt_off00005986.bind3b61e50433ee3a9857806199e0af0abcc5d0ea9fe210e310b48ce42d8515ead |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5986 | 11020 bytes |
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