MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a significant number of embedded links, identified as a link farm, pointing to various external resources. One of these links, https://ttraff.ru/wix?keyword=2.5+inch+manual+exhaust+cutout, is flagged as a malicious redirector. The ML classifier also strongly indicated maliciousness. This suggests the document's primary purpose is to lure users to malicious sites.
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/wix?keyword=2.5+inch+manual+exhaust+cutout
- https://cdn.shopify.com/s/files/1/0463/7792/6811/files/92296918789.pdf
- https://cdn.shopify.com/s/files/1/0435/5748/6753/files/dr._arif_ahmad.pdf
- https://cdn.shopify.com/s/files/1/0463/4135/7730/files/champak_story_book_in_english.pdf
- https://cdn.shopify.com/s/files/1/0452/3671/5677/files/86533221955.pdf
- https://static.usrfiles.com/ugd/913720_11405383bad04a7984fe7d04700cc2ee.pdf
- https://static.usrfiles.com/ugd/a18aa6_d15b0f9f53c8410599c7e096002a84ae.pdf
- https://static.usrfiles.com/ugd/79e5df_73fe5931cc424cb5b997b5411b2ec424.pdf
- https://static.usrfiles.com/ugd/07625c_c2d09ff83fd44a368e75520aa18cbaa6.pdf
- https://static.usrfiles.com/ugd/b8c837_b3b48d59ede94b7883bcbf356d67dda8.pdf
- https://static.usrfiles.com/ugd/b8c837_7c4bcfd4219a421899f64d8d8e73d6f7.pdf
- https://cdn.shopify.com/s/files/1/0433/3341/9166/files/hernia_incisional_tecnica_quirurgica.pdf
- https://cdn.shopify.com/s/files/1/0428/0100/4707/files/84695312973.pdf
- https://cdn.shopify.com/s/files/1/0431/4152/9754/files/kanomilagixe.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_off000057fb.bin0ce322d15bdfe4aef536579a119819a3735e72cc927968752773062530799993 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x57FB | 5204 bytes |
font_01_sfnt_off00006980.binf30ce3ccd665030ec365f2a87c96ff6271248ed45d5c77ad7abff294488e50a9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6980 | 10540 bytes |
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