MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a large number of embedded links, many pointing to benign Shopify URLs but one critical link to `ttraff.ru`, a known malicious redirector. This suggests the document is part of a link farm or SEO poisoning campaign designed to drive traffic to malicious infrastructure. The ML classifier also 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.ru/wix?keyword=printable+flash+cards+multiplication
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0431/3497/6157/files/voiced_and_unvoiced_consonants.pdf
- https://cdn.shopify.com/s/files/1/0435/8311/1325/files/aged_pension_income_test_form.pdf
- https://cdn.shopify.com/s/files/1/0440/4926/8886/files/72112255514.pdf
- https://cdn.shopify.com/s/files/1/0427/4274/3207/files/31710991021.pdf
- https://static.usrfiles.com/ugd/4b7290_58d0a341dacb44de97c3ef98401a6e4c.pdf
- https://static.usrfiles.com/ugd/804ff6_72f4563616fa4a4fb0490442c460d035.pdf
- https://static.usrfiles.com/ugd/9cc572_7e8b217e26f24a5b9fe2577317dad35c.pdf
- https://static.usrfiles.com/ugd/b8c837_f51ac665798844559ba0fad75a12b8c1.pdf
- https://static.usrfiles.com/ugd/b8c837_5182941cd8684036b6e0e4b4ad047ed1.pdf
- https://static.usrfiles.com/ugd/b8c837_92bea7a586fd4e00a08e629d2fab10a1.pdf
- https://static.usrfiles.com/ugd/b8c837_a054bf630dbb487b9970bd36e6cc5104.pdf
- https://static.usrfiles.com/ugd/b8c837_6e29c1580c904fb5afabe02370fb5898.pdf
- https://static.usrfiles.com/ugd/0d089b_4ad115d8ab2f46598a89400660e7ae11.pdf
- https://static.usrfiles.com/ugd/8c0e65_2d3f776b62e3411c968171b0f5c2de0a.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/
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000634f.bin473f624390fb8dc7f2a8e02f75437ce1ff2698c97322d89a7c4ddd17edad2873 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x634F | 5536 bytes |
font_01_sfnt_off000075e3.bin3574eb46e546b3b288d9e0b55678f1637312c03968f381407c8cd48f99cef02d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x75E3 | 10376 bytes |
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