MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a prominent link that redirects to a URL associated with malicious redirector infrastructure. The document body, though heavily obfuscated, contains text related to tax forms, suggesting a phishing lure. The ML classifier strongly indicated maliciousness, and the PDF structure includes a link farm, further supporting a malicious intent.
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=1040+itemized+deductions+worksheet+2018
- https://static.usrfiles.com/ugd/b8c837_35f541860a7a4d03b64aaf45e2b94f5f.pdf
- https://static.usrfiles.com/ugd/77d535_99bb51b4c8bc4f7bb944f28a28ca4ad8.pdf
- https://static.usrfiles.com/ugd/bcd086_a69b1690559c4b20bb0ae4faa0c43970.pdf
- https://static.usrfiles.com/ugd/111c46_34618947016f4e5592d053ca2fa8fff8.pdf
- https://cdn.shopify.com/s/files/1/0429/1638/0831/files/53035283725.pdf
- https://cdn.shopify.com/s/files/1/0427/5788/2022/files/serodude.pdf
- https://cdn.shopify.com/s/files/1/0458/5511/3369/files/vutolabinupeguwunuron.pdf
- https://static.usrfiles.com/ugd/9fc8c3_b61b9a74643b48bc97a576e7b6dedd11.pdf
- https://static.usrfiles.com/ugd/d5cf39_c320bc5f8ba3429b977d02a01329a8d2.pdf
- https://static.usrfiles.com/ugd/b8c837_1fdf750a5d634e91aaa69aba65daef50.pdf
- https://static.usrfiles.com/ugd/b8c837_09a1505ba1864445ae4780b5e3ee6aca.pdf
- https://cdn.shopify.com/s/files/1/0437/8332/3806/files/kingsman_the_secret_service_full_movie_download.pdf
- https://cdn.shopify.com/s/files/1/0435/3160/0031/files/alvin_and_the_chipmunks_songs.pdf
- https://cdn.shopify.com/s/files/1/0436/3055/9390/files/gefeduzoxa.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_off000175dc.bina174769a90c122d03ca6f020ba7c5dcdbc75496f01a750ce9646b0f3702e0169 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x175DC | 5656 bytes |
font_01_sfnt_off0001891f.bin4ef1ca158a5bb5d561b8efe997acdf43f9cf5a2d7d1878f563ca33a2790b44f1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1891F | 14964 bytes |
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