MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a lure related to a 'birthday tamil video song free' and embeds a link that redirects to a known malicious domain. The PDF_MALICIOUS_REDIRECTOR_LINK heuristic and the ML_NYX_PDF_MALICIOUS flag strongly indicate malicious intent. The document body, though heavily obfuscated, contains the malicious URL and a list of other URLs, likely part of a link farm designed to improve search engine ranking for malicious content.
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/pify?keyword=birthday+tamil+video+song+free
- https://static.usrfiles.com/ugd/e5412a_3cbf69262eb5457c9b879d71e607d0ad.pdf
- https://static.usrfiles.com/ugd/cc03df_3855220fd0ae4902bb903c9267ec912d.pdf
- https://static.usrfiles.com/ugd/73f3b0_80e0ff9a7363496a90d69c16ea9590c7.pdf
- https://static.usrfiles.com/ugd/01e791_1406e8d6c4304813a5668e6c78b39718.pdf
- https://static.usrfiles.com/ugd/a4e402_824cd669280d4f2299044f5071cfab4d.pdf
- https://cdn.shopify.com/s/files/1/0430/7596/0985/files/sofa_table_3d_model_free.pdf
- https://cdn.shopify.com/s/files/1/0430/6396/7906/files/83691573258.pdf
- https://static.usrfiles.com/ugd/8b97dd_b93d3fbb26cd4b3c9c7320e267244fef.pdf
- https://static.usrfiles.com/ugd/c068f8_b8e596e284464205b3d9d5cf41f13feb.pdf
- https://static.usrfiles.com/ugd/b8c837_1ede4d68659f408ab4f3a4858bdffa19.pdf
- https://static.usrfiles.com/ugd/b8c837_ab55c19553e8455f9bfcbb11f73981d6.pdf
- https://static.usrfiles.com/ugd/8127dd_1268d515203445db8007a30420cc6ef2.pdf
- https://static.usrfiles.com/ugd/a6e5e9_b710d7833c9b49bf8d62900df4314050.pdf
- https://static.usrfiles.com/ugd/b8c837_3ad9e121e30941b399d137c18de57ba9.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_off0000aff1.binf2434e243baaa85aadce014f16270419181a5e689a2e711b43eb518d69b5c6e6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAFF1 | 5532 bytes |
font_01_sfnt_off0000c2a9.bin906ed95903adc3c513cac2ed26159170a056cde36877771e42719740ca328824 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC2A9 | 13148 bytes |
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