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, specifically `https://ttraff.link/pify?keyword=dheeran+chinnamalai+history+in+tamil+pdf`. This link is presented within the document body, disguised as a historical PDF. The presence of numerous other PDF links, many pointing to Shopify domains, suggests a link farm or SEO poisoning tactic to obscure the malicious destination. The ML classifier also strongly flagged this PDF as malicious.
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.link/pify?keyword=dheeran+chinnamalai+history+in+tamil+pdf
- https://static.usrfiles.com/ugd/fd30ac_1c5bf55043c74217b7a1bd3d78a5b030.pdf
- https://static.usrfiles.com/ugd/defdb4_933a2fc58a34400b8b4e570c4b9fc350.pdf
- https://static.usrfiles.com/ugd/536122_c660698905de40559d4a10e88871acc1.pdf
- https://static.usrfiles.com/ugd/1fa6dd_8cb3be57e209482cb5ecf7a42b1dec82.pdf
- https://static.usrfiles.com/ugd/1d64af_e5da80de98e24d418fa3b36738f98c52.pdf
- https://cdn.shopify.com/s/files/1/0428/0962/2687/files/dafomasobas.pdf
- https://cdn.shopify.com/s/files/1/0434/4047/2214/files/46925902021.pdf
- https://cdn.shopify.com/s/files/1/0429/7215/1959/files/95827711033.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/99914628395.pdf
- https://cdn.shopify.com/s/files/1/0433/6241/8846/files/46250530541.pdf
- https://cdn.shopify.com/s/files/1/0431/1685/5457/files/unconfined_compression_test_lab_report.pdf
- https://cdn.shopify.com/s/files/1/0429/6769/5509/files/38250330040.pdf
- https://cdn.shopify.com/s/files/1/0434/7704/1304/files/siwalukujavuxoxuvewad.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00005d3e.bin2530bcfa23b1a7184607547bb8046df06dd217bfd85fe698baf006ee5625bd04 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5D3E | 5496 bytes |
font_01_sfnt_off00006fd1.bin46681c5c4e70df0780b8fc7a8b53c524233b057c5883021305714d2ec3c7598a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6FD1 | 3992 bytes |
font_02_sfnt_off00007e02.bin9107501222c961302dde1da1dfd20a967b898350c523c8899602e02519e22f77 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7E02 | 9876 bytes |
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