MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was identified as malicious by a machine learning classifier and contains a large number of external links, a technique often used in SEO spam or phishing campaigns. One of the embedded URLs, 'https://ttraff.cc/wix?keyword=%25C3%25AAtre+il+peut+avoir+pdf+d%2527%2527exercices', is flagged as a known malicious redirector. The document body itself is heavily obfuscated but appears to contain the same redirector URL and several Shopify-hosted PDF links.
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/wix?keyword=%25C3%25AAtre+il+peut+avoir+pdf+d%2527%2527exercices
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0428/1411/1903/files/63716303735.pdf
- https://cdn.shopify.com/s/files/1/0431/3251/8555/files/biodata_for_marriage_in_marathi_free_download.pdf
- https://cdn.shopify.com/s/files/1/0432/4347/1003/files/88412621267.pdf
- https://cdn.shopify.com/s/files/1/0435/8150/5695/files/capital_expenditure_meaning.pdf
- https://cdn.shopify.com/s/files/1/0436/5965/7374/files/62141427871.pdf
- https://cdn.shopify.com/s/files/1/0438/3057/5266/files/ladies_in_lavender_music_sheet.pdf
- https://cdn.shopify.com/s/files/1/0433/8538/9221/files/viber_apk_mod.pdf
- https://cdn.shopify.com/s/files/1/0437/0753/1432/files/299731951.pdf
- https://cdn.shopify.com/s/files/1/0435/0341/9556/files/rofazazow.pdf
- https://static.usrfiles.com/ugd/b0b521_21e460d787ff4f16ac19961ccc64dfab.pdf
- https://static.usrfiles.com/ugd/912de2_f5a9304eead6477c8c8cbc403a78b5d0.pdf
- https://static.usrfiles.com/ugd/b77b08_3c548fb0b93e454398a25fe6bcc2e30b.pdf
- https://static.usrfiles.com/ugd/b8c837_cb372ff0ee1348b0aebb87c1f0f29cec.pdf
- https://static.usrfiles.com/ugd/0fdb6d_bb7f3b4c9ee34871a8d0c288a3ec6769.pdf
- https://static.usrfiles.com/ugd/0f1814_8250c8801ae94d808d24b53563311772.pdf
- https://static.usrfiles.com/ugd/bfbc46_06eba474ab414f10adbd909ce0ed07fb.pdf
- https://static.usrfiles.com/ugd/3eed2b_3f9a12b6f29243b39dc4c25ec6ae555c.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
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00008068.bin7042e2ac7b25fbc0e0b8b287e8b24b0633da4458215588e225f67592e24a7030 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8068 | 5296 bytes |
font_01_sfnt_off0000928d.bin165c8a3ca2078d10d1ac4fef8ff56216c06b2f0bee6bc5688187dd021c00046a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x928D | 4112 bytes |
font_02_sfnt_off0000a262.bin192ebb2ae27acf368f9c8bac1af5c95550e62bbb92676fba11af1342a929dc24 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA262 | 12280 bytes |
font_03_sfnt_off0000c8e4.bin2ad542df69f5018ee5b438ce5ab51913d1761e4886a2d3e7d83c74de86a029f9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC8E4 | 16664 bytes |
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