MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1200 Hardware Add-in
T1059.001 PowerShell
The PDF was flagged by a machine learning classifier as malicious and contains a link to a known malicious redirector at ttraff.ru. Additionally, it features a large number of external links, many hosted on Shopify, suggesting a link farm or SEO poisoning tactic. The document body contains garbled text but includes the malicious URL and several benign-looking Shopify URLs.
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=belt+conveyor+guide+rollers
- https://cdn.shopify.com/s/files/1/0430/9201/7305/files/59014598633.pdf
- https://cdn.shopify.com/s/files/1/0435/0607/3759/files/color_code_personality_test_yellow.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/fakuwonilojovaxibudebu.pdf
- https://cdn.shopify.com/s/files/1/0431/5004/9448/files/piwibi.pdf
- https://cdn.shopify.com/s/files/1/0434/5122/0120/files/asme_b_pv_code_section_ix.pdf
- https://cdn.shopify.com/s/files/1/0432/4294/6715/files/pasexefoj.pdf
- https://cdn.shopify.com/s/files/1/0437/6294/2101/files/42329120398.pdf
- https://cdn.shopify.com/s/files/1/0439/1639/4648/files/66683412698.pdf
- https://cdn.shopify.com/s/files/1/0433/4501/9045/files/juwunadejix.pdf
- https://static.usrfiles.com/ugd/b8c837_ed9023c3dfb24611a4b12272a3f8156f.pdf
- https://static.usrfiles.com/ugd/7baf93_97cfc284ede04738b953a2940efd0ae1.pdf
- https://static.usrfiles.com/ugd/67f5f7_7f82b73d2c814cf5a828c9bed8effe10.pdf
- https://static.usrfiles.com/ugd/b8c837_cde6f7be8ae44dd7b0f8daee212e6ceb.pdf
- https://static.usrfiles.com/ugd/b11f6d_f2d6b161263a4427b8465627204b844b.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_off000066d1.binc47bbec3e87b41d2e091d0ab4116d50cd50fdc0ef116f67bd7d1b621d4ab99fb |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x66D1 | 4988 bytes |
font_01_sfnt_off000077e3.bin8444249a6438744ea7672aaa2aef6274bc2f73e6281c9c339810b342385673ce |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x77E3 | 10428 bytes |
font_02_sfnt_off00009b92.binb50a2106bf82917db0cd3cf88f63c5e8cc3298b343ace5cffc591b35df33d24c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9B92 | 4324 bytes |
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