MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a critical heuristic firing for a malicious redirector link, pointing to 'https://ttraff.ru/wix?keyword=saviair+5000+manual'. This indicates an attempt to lure users to a malicious site, likely for phishing or malware distribution. The document also exhibits characteristics of a PDF link farm, with numerous embedded links to external PDFs, many hosted on Shopify. The ML classifier strongly supports the malicious verdict.
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=saviair+5000+manual
- https://cdn.shopify.com/s/files/1/0437/4154/4600/files/lewafir.pdf
- https://cdn.shopify.com/s/files/1/0435/5863/3631/files/belt_guide_sewing_machine_definition.pdf
- https://cdn.shopify.com/s/files/1/0437/6988/8920/files/manusia_sebagai_makhluk_sosial.pdf
- https://cdn.shopify.com/s/files/1/0430/0842/6143/files/45422235021.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/metegemekipezafekude.pdf
- https://cdn.shopify.com/s/files/1/0435/1187/3695/files/darexijupoj.pdf
- https://cdn.shopify.com/s/files/1/0439/2786/3464/files/zigeginefuveneraxe.pdf
- https://static.usrfiles.com/ugd/b8c837_d5910a8b2efe4dafa99e18bd97a813a8.pdf
- https://static.usrfiles.com/ugd/1decf9_67af25597dd547c7b90b0f4703909f3f.pdf
- https://static.usrfiles.com/ugd/69695d_87f5802bdc104163b764935c50ac8df9.pdf
- https://cdn.shopify.com/s/files/1/0436/8180/8549/files/nitrogen_fixing_bacteria.pdf
- https://cdn.shopify.com/s/files/1/0432/6316/4580/files/computer_hardware_and_software_book.pdf
- https://cdn.shopify.com/s/files/1/0438/0943/9906/files/woxexo.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_off0000524c.bine1b7c87f710fdc186cdf2f8f8878761f0d1de67ba5b1cc3c0c7adbb1bec8ebea |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x524C | 5080 bytes |
font_01_sfnt_off00006376.bin70d1dac27efd6ba7f437005240d680ccf1ee1e5d154082338de808b8c9442f70 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6376 | 9684 bytes |
font_02_sfnt_off000084cb.bin1882111c93182885355c326966aa8b929451d516289c4c69bffbc3e8f6f639a9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x84CB | 16076 bytes |
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