MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains multiple embedded links, with one specifically identified as a malicious redirector. The ML classifier also strongly indicated maliciousness. The document body, though heavily obfuscated, contains a URL that matches the identified malicious redirector, suggesting an attempt to lure users to potentially harmful content.
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=fundamentals+of+physics+extended+sol
- http://sipofire.alwaysgrowingyoga.com/uploads/1/3/1/3/131379945/8925529.pdf
- http://jeredide.bellairsfiberfarm.com/uploads/1/3/0/7/130739553/6fbb8a44c.pdf
- http://jogut.finnegansfieldsgypsyhorses.com/uploads/1/3/0/7/130775818/8705483.pdf
- http://files.mrbuttsushistory.com/uploads/1/3/0/7/130739232/189207833ddad8.pdf
- http://vilujov.showinglove.org/uploads/1/3/1/4/131437412/2274862.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0431/3546/7669/files/89771658487.pdf
- https://cdn.shopify.com/s/files/1/0435/4061/1226/files/33066584472.pdf
- https://cdn.shopify.com/s/files/1/0437/5108/0090/files/rokuligu.pdf
- https://cdn.shopify.com/s/files/1/0432/1283/2932/files/anatomia_fossas_nasais.pdf
- https://cdn.shopify.com/s/files/1/0430/3329/7058/files/warhammer_40k_8th_edition_core_rulebook.pdf
- https://cdn.shopify.com/s/files/1/0433/2204/8667/files/singular_and_plural_noun_exercises.pdf
- https://cdn.shopify.com/s/files/1/0434/1324/2005/files/muwunobimilumunadosiz.pdf
- https://cdn.shopify.com/s/files/1/0440/5755/9190/files/sumuzubalaf.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/zeranosorijajigafa.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_off000048c8.bindd147647899408de43d2a85604c6e14455b8093322d1aaf5e955fb3f63f19767 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x48C8 | 5424 bytes |
font_01_sfnt_off00005b26.binc29ce693877f1293ad5e76fbb175e395f03542c3b66e55e3b8f4f9fb3a9c3ed7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5B26 | 9628 bytes |
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