MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains a link to a known malicious redirector, ttraff.ru, which is likely used to direct users to malicious content. The document body, though heavily obfuscated, contains the same query string as the malicious URL, suggesting a lure to trick users into clicking the link. 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=is+ionization+endothermic+or+exothermic
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0432/2387/5746/files/34753625655.pdf
- https://cdn.shopify.com/s/files/1/0428/4094/8903/files/vofidijifagodeku.pdf
- https://cdn.shopify.com/s/files/1/0433/9033/7182/files/8774043847.pdf
- https://cdn.shopify.com/s/files/1/0428/7247/1718/files/abandoned_building_images.pdf
- https://cdn.shopify.com/s/files/1/0433/7369/1045/files/calibration_process_in_sap_pm.pdf
- https://cdn.shopify.com/s/files/1/0440/0198/4662/files/dumpper_wifi_hack_free_for_pc.pdf
- https://cdn.shopify.com/s/files/1/0431/9641/6157/files/84734179853.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/kofuka.pdf
- https://cdn.shopify.com/s/files/1/0433/8404/5719/files/tamubewofurixer.pdf
- https://cdn.shopify.com/s/files/1/0428/8865/9100/files/consequential_loss_insurance.pdf
- https://cdn.shopify.com/s/files/1/0451/0292/3939/files/akhand_jyoti_book.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_off00006e31.bin720b41e7bf60d266ae6f379e3d2545a6a8924d2f3eba515cf166094310a55dae |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6E31 | 5200 bytes |
font_01_sfnt_off00007fb3.binfe36d493a036396d64bf8ed23ed47c0ba5d59c7c2023ca8fe5684ef745473a63 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7FB3 | 10276 bytes |
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