MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a large number of embedded links, with one identified as a malicious redirector. The ML classifier also strongly indicated maliciousness. The document body appears to be obfuscated or corrupted, preventing a clear understanding of its user-facing content, but the presence of a malicious redirector and link farm suggests an attempt to lure users to harmful sites.
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/pify?keyword=present+indicative+of+regular+verbs+worksheet+answers
- http://files.imobilerepairz.com/uploads/1/3/1/0/131070539/2004047.pdf
- http://files.scottcountyfasttrack.com/uploads/1/3/2/6/132681378/7730934.pdf
- http://files.eswut.com/uploads/1/3/1/6/131606874/nafenatizetuxunivix.pdf
- http://files.360signs.com/uploads/1/3/0/8/130874482/546569.pdf
- http://files.westech-rides.com/uploads/1/3/2/6/132695574/kakuxefozexavax_kajakapak_jofoxobavis.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0429/9476/1877/files/duzubap.pdf
- https://cdn.shopify.com/s/files/1/0430/6770/3457/files/xujali.pdf
- https://cdn.shopify.com/s/files/1/0428/4442/2310/files/burivekakez.pdf
- https://cdn.shopify.com/s/files/1/0429/1336/6182/files/tisebape.pdf
- https://cdn.shopify.com/s/files/1/0431/1177/6416/files/17918047242.pdf
- https://cdn.shopify.com/s/files/1/0429/1559/4393/files/zigusex.pdf
- https://cdn.shopify.com/s/files/1/0431/1112/1057/files/83558769836.pdf
- https://cdn.shopify.com/s/files/1/0430/9726/0192/files/xujezisobezamusug.pdf
- https://cdn.shopify.com/s/files/1/0439/0925/1227/files/jagemarelekibazixupu.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_off00005d56.bin9475cbd02c13be3483a9ca0e3a84eb9569ef63605ab51ebdd42f16aeba89c5db |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5D56 | 5524 bytes |
font_01_sfnt_off00007022.bin8dfe40c8b87cca2e44b1f2a52d07e78c78d61a4dc43c56ad8c02fab6b4f18d85 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7022 | 10124 bytes |
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