MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a large number of embedded links, many pointing to external PDF files, which is indicative of SEO poisoning or a link farm used to distribute malicious content. One of the primary links, 'https://ttraff.ru/wix?keyword=boredom+form+a+sentence', is flagged as a known malicious redirector. 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=boredom+form+a+sentence
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://static.usrfiles.com/ugd/b8c837_a5df11c53f3d4faba3d9b4c8ef134d20.pdf
- https://static.usrfiles.com/ugd/b8c837_71122891b4c64d9488dcbdef0f8eca2c.pdf
- https://static.usrfiles.com/ugd/b8c837_8d49e5c5caf9482085299ed73482cb7e.pdf
- https://static.usrfiles.com/ugd/b8c837_0598930035914fd496030eb455129688.pdf
- https://cdn.shopify.com/s/files/1/0435/8812/4830/files/chess_game_free_for_android_apk.pdf
- https://cdn.shopify.com/s/files/1/0432/5556/2398/files/50955366378.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/62374455636.pdf
- https://cdn.shopify.com/s/files/1/0428/5893/8531/files/85308531510.pdf
- https://static.usrfiles.com/ugd/b8c837_f3fe03b5f37441ef8720a6ec74cb2d99.pdf
- https://static.usrfiles.com/ugd/b8c837_ab1ce2e910374072bfb857a175e262b6.pdf
- https://static.usrfiles.com/ugd/b65acf_d94e517d0aa74a8684eb661016999e51.pdf
- https://static.usrfiles.com/ugd/299074_652524c351a14a3bbb9726350c54df14.pdf
- https://static.usrfiles.com/ugd/d9d1f5_ea03b5fcea214c8b9ad3d1bd244200dd.pdf
- https://static.usrfiles.com/ugd/b8c837_eab1f5ba57d3473eb3ce059b61ccb77c.pdf
- https://static.usrfiles.com/ugd/b8c837_fd6c8e0a3cb7448b9d2ccae6fdfe30c9.pdf
- https://static.usrfiles.com/ugd/74a852_35b2004bfea34ade9294f86f5ecbf31c.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_off00009868.bin357f76542048c29a1612bebe1de73a2506457b60bef23e30d5af92aa48fbc5c9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9868 | 5184 bytes |
font_01_sfnt_off0000a9f0.binf14740a027621a7dd370479884adb923aaa961ce92c24a591df28b956cc5862d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA9F0 | 9856 bytes |
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