MALICIOUS
162
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains multiple embedded links, with one specifically pointing to a known malicious redirector. The ML classifier also strongly indicated maliciousness. The document body, though heavily obfuscated, contains a URL that is likely intended to lead the user to a malicious site for further exploitation, such as phishing or malware download.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 5
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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=dicionario+alemao+portugues++pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0427/3831/9527/files/leguxakibi.pdf
- https://cdn.shopify.com/s/files/1/0432/5317/0334/files/77819559931.pdf
- https://cdn.shopify.com/s/files/1/0428/0041/4883/files/japofawokunodifeludut.pdf
- https://cdn.shopify.com/s/files/1/0432/3616/3747/files/junuwujabudinokule.pdf
- https://cdn.shopify.com/s/files/1/0436/0175/6323/files/14007910022.pdf
- https://static.usrfiles.com/ugd/b8c837_57f22b90c1c349beb4dee70e8a6f115d.pdf
- https://static.usrfiles.com/ugd/b7306e_1ec5c632ce1546a9b5cdda36985ddc36.pdf
- https://static.usrfiles.com/ugd/b8c837_f1c45884a71143b18055d956689e6f83.pdf
- https://static.usrfiles.com/ugd/e3ff21_97fac7fe3b9c4f698a4d8ea6745238af.pdf
- https://static.usrfiles.com/ugd/b8c837_762337e21b2b4b40bb75596da384d484.pdf
- https://static.usrfiles.com/ugd/30e015_802853c6d22d49709f20d8900bcd9ba9.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_off0000555d.bin47ab4b3bdf079135988bb44d32ca4597725aa1ff6c97a9ce3d3185e778e86d84 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x555D | 5476 bytes |
font_01_sfnt_off000067ea.bin74ac1385f836cf1433ca80b3c6bd23e0d442aacaf5438203555dad0f76ec7177 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x67EA | 10380 bytes |
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