MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a heuristic firing for linking to known malicious redirector infrastructure, specifically the URL https://ttraff.ru/wix?keyword=deplecion+de+volumen. Additionally, it exhibits a PDF link farm pattern, embedding numerous links to other PDFs, with https://cdn.shopify.com/s/files/1/0431/5850/3584/files/astrology_and_astronomy.pdf being the first identified. The ML classifier also strongly indicated maliciousness. These elements suggest an attempt to lure users to malicious content.
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=deplecion+de+volumen
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0431/5850/3584/files/astrology_and_astronomy.pdf
- https://cdn.shopify.com/s/files/1/0431/0695/9514/files/53536011670.pdf
- https://cdn.shopify.com/s/files/1/0459/6210/0896/files/tagipeguvenu.pdf
- https://static.usrfiles.com/ugd/5fd5c1_64193dacca25470dafe7c961fc199524.pdf
- https://static.usrfiles.com/ugd/b8c837_c44407b9b901460694c3080e5b5616a2.pdf
- https://static.usrfiles.com/ugd/2e4eb4_0569756855214a3a8cbf170f87f4a31a.pdf
- https://static.usrfiles.com/ugd/b8c837_28a425e369a54c39bbb2a8fcb70a94a6.pdf
- https://static.usrfiles.com/ugd/76de1a_aea388df0a5043f6adafbc718168526d.pdf
- https://static.usrfiles.com/ugd/b8c837_8eb3c54016d04d24ab1ab29580d5a40b.pdf
- https://static.usrfiles.com/ugd/b47706_1a0f2902bf2d4cb08297b810ac27695c.pdf
- https://static.usrfiles.com/ugd/b8c837_e687bd6877354514be288505e5b4670b.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_off00007217.bin7dc0d8713f68fd4cc13fb3c1d0c386a8baa9a9648503971aca6531a43af5ddee |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7217 | 4796 bytes |
font_01_sfnt_off00008258.bin52ec311db6cc0b1ef31404a6b1161354350b61794790ecf75416171b1900f5bc |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8258 | 10464 bytes |
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