MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF document contains a large number of embedded links, many of which point to a link farm designed to appear as educational resources. One prominent link, https://ttraff.ru/wix?keyword=saxon+algebra+2+scope+and+sequence, is identified as a malicious redirector. This suggests the document's primary purpose is to redirect users to malicious infrastructure, likely for further exploitation or phishing.
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=saxon+algebra+2+scope+and+sequence
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0434/5331/7272/files/programming_in_c_reema_thareja.pdf
- https://cdn.shopify.com/s/files/1/0438/2690/5245/files/bidadari_surga_free.pdf
- https://cdn.shopify.com/s/files/1/0432/4117/7256/files/15453506626.pdf
- https://cdn.shopify.com/s/files/1/0437/9816/7713/files/luviterirosofa.pdf
- https://cdn.shopify.com/s/files/1/0432/8125/2507/files/46507527375.pdf
- https://cdn.shopify.com/s/files/1/0430/7661/6341/files/50179770113.pdf
- https://static.usrfiles.com/ugd/b8c837_68a0f57776cd4fff9c020f98b8c7fc41.pdf
- https://static.usrfiles.com/ugd/cafc24_24a165cb2d69479eaf53793d6f875a72.pdf
- https://static.usrfiles.com/ugd/b8c837_94e15fad5e8d4bf5bb00b762395d5e4e.pdf
- https://static.usrfiles.com/ugd/b8c837_8901d2675ded4b4db21fc507091c7d55.pdf
- https://static.usrfiles.com/ugd/b8c837_efa74ca8f1d04501a159df37b7a9d995.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_off000057ed.bin38adec118b8d856d1cf6e074576b4a38e7d6796a1293f83743b4b067f8c6f06e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x57ED | 5812 bytes |
font_01_sfnt_off00006bac.bin8d30fe431b4e21864a35528899f4dc0e7fd629e266a9082fc1aad3704cdbd96a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6BAC | 10324 bytes |
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