MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a high number of embedded links, many pointing to benign Shopify URLs, but one critical link directs to a known malicious redirector. The document body, though heavily obfuscated, contains the text 'Microbial genetics by david freifelder pdf' and the malicious URL, suggesting a lure to download potentially harmful content. The ML classifier 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.me/wix?keyword=microbial+genetics+by+david+freifelder+pdf
- https://cdn.shopify.com/s/files/1/0431/5892/9570/files/casio_ef_558_user_manual.pdf
- https://cdn.shopify.com/s/files/1/0457/5831/6700/files/sociologically_how_would_a_cult_be_d.pdf
- https://cdn.shopify.com/s/files/1/0427/3196/2535/files/kaxitesozamivajudu.pdf
- https://cdn.shopify.com/s/files/1/0435/9297/4499/files/breviario_de_alarico.pdf
- https://static.usrfiles.com/ugd/b8c837_ab202aaed20f4bf793919a3be029d67d.pdf
- https://static.usrfiles.com/ugd/b8c837_64e22d33b8e24ab081d2ae50c4621a43.pdf
- https://static.usrfiles.com/ugd/b8c837_f0e49f6ad0a14d05a1beb18eea53b9f2.pdf
- https://static.usrfiles.com/ugd/ec0c41_aee8ae9c5a374f09a14fb4f54ecb3f49.pdf
- https://static.usrfiles.com/ugd/b8c837_74f958602e7b405f9f6699054cc60f52.pdf
- https://static.usrfiles.com/ugd/b8c837_d72b41df5afd49369f67247cd0d2f3fa.pdf
- https://static.usrfiles.com/ugd/b5472a_ca76ca153cbd441eafee9b3619f90462.pdf
- https://static.usrfiles.com/ugd/b8c837_f4afe71ad9764b7da7651b4ceac5e679.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_off00005596.binc34a225a30600f46aec9ac1fb27cfbc7743e96796536cab4e40149522613a375 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5596 | 5420 bytes |
font_01_sfnt_off00006814.bin1adb4f7b2acf21a79b6e8de53f85fd48b1d9e3fb2b857a098f4fb56b4e35285a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6814 | 10096 bytes |
font_02_sfnt_off00008aa9.bincd94ef65598b1866d0653cdd88243d989fd81359c0e770c2d3a4858f1c2f6d34 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8AA9 | 4324 bytes |
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