MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded links, with one identified as a malicious redirector. The document body, though heavily obfuscated, appears to contain text related to academic subjects, suggesting a lure. The heuristic firings strongly indicate malicious intent through link manipulation and SEO spamming.
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/wix?keyword=naming+ionic+and+covalent+compounds+practice
- https://static.usrfiles.com/ugd/80c1db_f98791702493450bb0663605a50ac0f5.pdf
- https://static.usrfiles.com/ugd/b98abb_9873e29b049c4f58be674bb401fd769f.pdf
- https://static.usrfiles.com/ugd/0c268c_f1d5179230be4aabac9b73d31f7eadb9.pdf
- https://static.usrfiles.com/ugd/b8c837_25e3ad2c6eee427198d61bbb10038f25.pdf
- https://static.usrfiles.com/ugd/3eed2b_a031852517b148559930ff9c72078920.pdf
- https://static.usrfiles.com/ugd/b8c837_7a46cd2058f24d57ba087cc2f542a0bd.pdf
- https://static.usrfiles.com/ugd/b8c837_6b64ec768100434e9636d97e258b2838.pdf
- https://cdn.shopify.com/s/files/1/0437/8856/6677/files/mechanics_of_materials_7th_edition.pdf
- https://cdn.shopify.com/s/files/1/0432/4907/4336/files/46536726212.pdf
- https://cdn.shopify.com/s/files/1/0431/1053/1233/files/romumotagixovupepudi.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/sekokejeninidifowabofu.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/84005007378.pdf
- https://cdn.shopify.com/s/files/1/0430/3601/6802/files/wekiturosiregejusev.pdf
- https://cdn.shopify.com/s/files/1/0433/5842/1142/files/pdf_editor_free_download_blogspot.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/
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006d46.binc9cf59bbec42241a9aa574ac3ec5d56d37ba75de5ffb8454b9ca3afbbe9bba28 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6D46 | 5424 bytes |
font_01_sfnt_off00007fa4.bina8fe5c7e829f5d9d9b4b93e3d9c81988acd10f2466cc9c5f469bde9f553f3ace |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7FA4 | 10004 bytes |
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