MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains multiple embedded links, with one specifically pointing to a known malicious redirector. The document body, though heavily obfuscated, contains text related to 'Bruce lee fighting method volume 1 pdf' and references wkhtmltopdf, suggesting a lure to download a document. The presence of numerous external PDF links, many hosted on Shopify, indicates a link farm designed to obscure the ultimate destination. The ML classifier strongly flagged this PDF as malicious.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 4
-
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.
-
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.
-
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.
-
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=bruce+lee+fighting+method+volume+1+pdf
- http://lidokefiw.lincolncollegechapelchoir.com/uploads/1/3/2/6/132681670/5531515.pdf
- http://files.maccurdysalisbury.org/uploads/1/3/0/7/130738859/c0960.pdf
- http://files.cyclonecanvas.com/uploads/1/3/1/1/131163516/1914316.pdf
- http://files.seasonalshowers.com/uploads/1/3/0/7/130775145/varubebun-wimitudelejoba.pdf
- https://cdn.shopify.com/s/files/1/0435/6728/4379/files/tijagefipaniredal.pdf
- https://cdn.shopify.com/s/files/1/0433/0664/7717/files/kohler_marine_generator_parts.pdf
- https://cdn.shopify.com/s/files/1/0430/9165/6855/files/45186475715.pdf
- https://cdn.shopify.com/s/files/1/0438/8116/9051/files/99219055729.pdf
- https://cdn.shopify.com/s/files/1/0430/5174/5442/files/duxigivofemuzetir.pdf
- https://cdn.shopify.com/s/files/1/0428/1594/6911/files/lurorogegivixamu.pdf
- https://cdn.shopify.com/s/files/1/0433/6317/2502/files/58600364098.pdf
- https://cdn.shopify.com/s/files/1/0434/7317/4680/files/39863379665.pdf
- https://cdn.shopify.com/s/files/1/0429/9902/1717/files/kilejojuximanarefanotej.pdf
- https://cdn.shopify.com/s/files/1/0431/7937/6798/files/java_foundations_3rd_edition.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_off00006ae2.bindb1510327a5fab4fe47532f009a6c5c4679f53e976dec84a7c8b0d9ffbff522e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6AE2 | 5340 bytes |
font_01_sfnt_off00007cf8.bin70da7074741d404008c00fc97731bb4349bd49ec6d93352fbd2254cf275b516d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7CF8 | 10676 bytes |
Open this report in the interactive analyzer, or submit your own file for analysis.