MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded links, with one identified as a malicious redirector. The document body, though heavily obfuscated, appears to contain text related to tax collection and the malicious URL. The presence of a malicious redirector and a large number of external links suggests an attempt to lead users to malicious infrastructure, likely for phishing or malware distribution.
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/wix?keyword=city+of+brockton+tax+collector
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://static.usrfiles.com/ugd/cb2bed_66a6ec0c183e4c80bff79f7bb82ca787.pdf
- https://static.usrfiles.com/ugd/b8c837_313294f36f494534b0edf1813c446110.pdf
- https://static.usrfiles.com/ugd/b8c837_defc6b83edfe4f118dac0f699719ecd3.pdf
- https://static.usrfiles.com/ugd/e2c6c1_48bcf856c9f849f88cc4735da7eda2d5.pdf
- https://static.usrfiles.com/ugd/4d935e_ace881226e3b43d5ada482148cd28c8b.pdf
- https://static.usrfiles.com/ugd/0fdb6d_ee53be1ed1b741b7921f301204d376e2.pdf
- https://static.usrfiles.com/ugd/b8c837_63f930eeefe54607b2a09fbba739838f.pdf
- https://static.usrfiles.com/ugd/0a593f_25d9c5f1e9084091975165eb2911252a.pdf
- https://static.usrfiles.com/ugd/0c41e7_7b8b36bdc2e740fe9612dc2ee38d5e9b.pdf
- https://cdn.shopify.com/s/files/1/0437/9099/1521/files/reruzozuwi.pdf
- https://cdn.shopify.com/s/files/1/0437/8217/6917/files/tutorial_de_ableton_live_9_en_espaol.pdf
- https://cdn.shopify.com/s/files/1/0430/5240/0793/files/sivarunilitunobivag.pdf
- https://cdn.shopify.com/s/files/1/0433/9341/7366/files/94551300956.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/5561128363.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_off00005ff9.bin2fc1e1d036bc5425f1715eb98339b76206478fdeff26baa1d31d47038516f501 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5FF9 | 4976 bytes |
font_01_sfnt_off0000710c.bin6deecef8b69ac8331538b3aecd0254f37138aa5c06c30c2e4f14f73a834382c0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x710C | 10904 bytes |
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