MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF document is designed to appear as a free download for drawing techniques, but it contains a malicious redirector link to ttraff.com. Additionally, it functions as a link farm, embedding numerous other PDF links, many hosted on cdn.shopify.com, likely to manipulate search engine results and distribute further malicious content. The ML classifier strongly indicated maliciousness.
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=pencil+drawing+techniques+pdf+free+download
- https://cdn.shopify.com/s/files/1/0432/6634/3072/files/repawitapuwegorapod.pdf
- https://cdn.shopify.com/s/files/1/0434/6803/0102/files/21585421738.pdf
- https://cdn.shopify.com/s/files/1/0435/3346/7808/files/nutcracker_pas_de_deux_piano.pdf
- https://cdn.shopify.com/s/files/1/0439/4595/1400/files/61496848215.pdf
- https://static.usrfiles.com/ugd/19ce5d_ea5d54b6c59142febf138f457039a74c.pdf
- https://cdn.shopify.com/s/files/1/0432/6352/5029/files/fewepit.pdf
- https://cdn.shopify.com/s/files/1/0431/3972/7509/files/teteriliwa.pdf
- https://cdn.shopify.com/s/files/1/0430/4551/9513/files/55774319403.pdf
- https://cdn.shopify.com/s/files/1/0429/8804/4442/files/79271780991.pdf
- https://cdn.shopify.com/s/files/1/0431/1705/2053/files/wall_street_and_the_bolshevik_revolution_trke_eviri.pdf
- https://static.usrfiles.com/ugd/3b7182_bbd9322bc9bf4bbab6cf9ac35e49daa3.pdf
- https://static.usrfiles.com/ugd/c3f88d_3e8badbaf3054573b96d3896696711d0.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_off0000559e.bin2c6359ed6f14f8884875ef0c8be90647a30a39cd1a85fc413ad5fc51264042d2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x559E | 5636 bytes |
font_01_sfnt_off000068c3.bind439dbd375a9679024bf1aafa478b2a2d56b8abcfabc9a4949b97721c54daf94 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x68C3 | 10584 bytes |
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