MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF document contains a large number of embedded links, many of which point to external PDF files, suggesting a link farm or SEO manipulation tactic. One prominent link, 'https://ttraff.com/pify?keyword=brightsign+xt1143+user+manual', is identified as a malicious redirector. The document body, though partially corrupted, contains text related to a user manual and the malicious URL, indicating a lure to encourage clicks. The presence of numerous links and the identified malicious redirector strongly suggest 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.com/pify?keyword=brightsign+xt1143+user+manual
- http://files.stronghandsenterprises.com/uploads/1/3/1/3/131382387/kufun_rejakudixi_xixidup.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0437/7024/9374/files/5912506832.pdf
- https://cdn.shopify.com/s/files/1/0428/2603/9452/files/belikapotebimofuvaxupag.pdf
- https://cdn.shopify.com/s/files/1/0448/2200/3872/files/derecho_latinoamericano_cbc.pdf
- https://cdn.shopify.com/s/files/1/0434/2710/2887/files/wimawobatovawav.pdf
- https://cdn.shopify.com/s/files/1/0438/3742/3776/files/lanitopadajubawuboj.pdf
- https://cdn.shopify.com/s/files/1/0432/5713/5257/files/xibuxepilubipowegokudabo.pdf
- https://cdn.shopify.com/s/files/1/0429/1205/5463/files/xolojexosadi.pdf
- https://cdn.shopify.com/s/files/1/0427/9359/9132/files/73573003785.pdf
- https://cdn.shopify.com/s/files/1/0428/7063/6710/files/66570548515.pdf
- https://cdn.shopify.com/s/files/1/0438/4089/7181/files/wekav.pdf
- https://cdn.shopify.com/s/files/1/0433/5498/0505/files/joromasusumewijorenake.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_off00005fd6.bin2a55101f533ade01e21810f8e39502444a69fd274945d7bdb9ecf9af7ec6ded3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5FD6 | 5520 bytes |
font_01_sfnt_off00007280.bin7c13e922538cc21d8476ab2d0413e4a9d666d90e1015a870df93d62f8d4c7bf3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7280 | 10332 bytes |
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