MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains embedded links that redirect to malicious infrastructure, specifically identified by the PDF_MALICIOUS_REDIRECTOR_LINK heuristic. The document body, though heavily obfuscated, contains the primary malicious URL. The PDF_SEO_LINK_FARM heuristic indicates a large number of external links, suggesting a link farm or SEO poisoning attempt to distribute the malicious content. No scripts were extracted, but the presence of malicious links points to a phishing or redirection attack.
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=spirited+away+reprise+piano+sheet+mu
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://static.usrfiles.com/ugd/f1d680_f641f14cb95044e0ad2d1423d56001bd.pdf
- https://static.usrfiles.com/ugd/90c678_07853b53a2744fa08be8b5eccb0cc086.pdf
- https://static.usrfiles.com/ugd/b65acf_92735fef12dd428f8d1160b7a1fe36b2.pdf
- https://static.usrfiles.com/ugd/76b6de_b9b82b88e07c479c908b0835c04193e2.pdf
- https://cdn.shopify.com/s/files/1/0428/9291/8937/files/3312065712.pdf
- https://cdn.shopify.com/s/files/1/0433/9548/1750/files/fepamobidigivuvufuxirisex.pdf
- https://cdn.shopify.com/s/files/1/0440/8714/8709/files/thiruppavai_tamil.pdf
- https://cdn.shopify.com/s/files/1/0429/5370/3580/files/bresser_pereira.pdf
- https://cdn.shopify.com/s/files/1/0430/8946/1402/files/67878878887.pdf
- https://cdn.shopify.com/s/files/1/0433/7968/7574/files/install_arch_linux_from_usb.pdf
- https://cdn.shopify.com/s/files/1/0431/6089/5650/files/latest_android_games_apk_free.pdf
- https://cdn.shopify.com/s/files/1/0430/9365/5716/files/gakuxogavakizoruvetagem.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00004703.bin38b0413112e3c86ee49ba318e72bd83d483c09fcf6069ca93a32c233226b721f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4703 | 4700 bytes |
font_01_sfnt_off00005763.bine527e0779c92de8601ec210b948ce26e1dcfdf491efa4e0f3a4f6f64f5d3b7e3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5763 | 5464 bytes |
font_02_sfnt_off000069da.bin18cf8ff841bdfdc3248fff37679215a51ee4ebd5c0063c8204d7e58036acc472 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x69DA | 10028 bytes |
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