MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a critical heuristic firing for a malicious redirector link, pointing to 'https://ttraff.club/wix?keyword=muscular+system+diagram+worksheet+pdf'. This indicates the document's primary purpose is to lure users to a malicious site. The ML classifier also strongly flagged this PDF as malicious. The document body, though heavily obfuscated, contains the same malicious URL and a list of other PDF links, suggesting a link farm or redirection tactic.
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.club/wix?keyword=muscular+system+diagram+worksheet+pdf
- https://static.usrfiles.com/ugd/4dbf3f_117364fb8c634849a50153b83a27fe14.pdf
- https://static.usrfiles.com/ugd/b13fd1_47fd1b53bad74e3d8e56376b5cd14b03.pdf
- https://static.usrfiles.com/ugd/d94ae5_717bdd16877e45ef892c27d39abc2bdb.pdf
- https://static.usrfiles.com/ugd/b8c837_17963acb331840cca5b61073832d538e.pdf
- https://static.usrfiles.com/ugd/269bb8_366bb52c50cf4738b27c20a41848df3c.pdf
- https://cdn.shopify.com/s/files/1/0428/5811/9334/files/4506996966.pdf
- https://cdn.shopify.com/s/files/1/0430/6511/4775/files/lowes_wichita_falls_tx.pdf
- https://cdn.shopify.com/s/files/1/0432/1676/5087/files/spoken_english_interview_conversation.pdf
- https://cdn.shopify.com/s/files/1/0432/3698/2943/files/flower_desktop_wallpaper_hd_free.pdf
- https://static.usrfiles.com/ugd/d6b5da_ffebacb17cb9406eb602b2840c9ce288.pdf
- https://static.usrfiles.com/ugd/9e14ca_e458dfbfa1e846eabbf657c119c92a83.pdf
- https://static.usrfiles.com/ugd/b8c837_7ec8654f047b474196717cf639bc79e3.pdf
- https://static.usrfiles.com/ugd/ef253e_6415dd32a9184c1f9e057f1bf4aa4442.pdf
- https://cdn.shopify.com/s/files/1/0431/8098/2436/files/second_law_of_thermodynamics_and_its_applications.pdf
- https://cdn.shopify.com/s/files/1/0430/7002/9975/files/48344013374.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_off000057c7.bin873c99adf0fc7b906cc3ec5c7c2ba826f547a14f685f6162ea974080c23195f1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x57C7 | 5832 bytes |
font_01_sfnt_off00006ba2.bin2b42b4a1ecdb775e1a24f8be3c4ebe70c065b3fac49f2a83ee5813b1b9e31ecd |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6BA2 | 10464 bytes |
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