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, many of which point to suspicious or unknown domains, with one specifically identified as a malicious redirector. The document body, though heavily obfuscated, contains URLs that are likely intended to lead the user to malicious content. 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/pify?keyword=ata+chapter+5+pdf
- http://files.imagesbya2zphotography.com/uploads/1/3/1/4/131438329/sorulorenupixa_guriwap.pdf
- http://files.ms-j.org/uploads/1/3/1/4/131437683/ratol-rukuvale-jujiv-vavobazafo.pdf
- http://files.armstrongfamilyblog.com/uploads/1/3/0/7/130775062/3886864.pdf
- http://files.musee-militaire.com/uploads/1/3/1/0/131070317/551221.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0428/4927/1975/files/piano_sheet_music_blank.pdf
- https://cdn.shopify.com/s/files/1/0440/2633/1286/files/fovego.pdf
- https://cdn.shopify.com/s/files/1/0432/8754/3964/files/jimored.pdf
- https://cdn.shopify.com/s/files/1/0427/9202/6271/files/datizofi.pdf
- https://cdn.shopify.com/s/files/1/0434/1124/3162/files/bejututarifowiv.pdf
- https://cdn.shopify.com/s/files/1/0436/3993/1033/files/jibozogef.pdf
- https://cdn.shopify.com/s/files/1/0430/7176/6677/files/saxevinajotasolubegi.pdf
- https://cdn.shopify.com/s/files/1/0433/6628/5480/files/zadad.pdf
- https://cdn.shopify.com/s/files/1/0431/5525/9546/files/fixaxozobajazililome.pdf
- https://cdn.shopify.com/s/files/1/0433/4462/5822/files/bewifulunopamevusax.pdf
- https://cdn.shopify.com/s/files/1/0431/9261/5073/files/zirotovowedabesejazugamaz.pdf
- https://cdn.shopify.com/s/files/1/0431/1502/0448/files/60270919261.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_off00008c15.binc8da10ab06a59cf2c1e7e332426c93b25c766d1edc7598f4f33f67582d35f3d7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8C15 | 5148 bytes |
font_01_sfnt_off00009d9b.bin43b23199fb63c7047042749682383671a9599ddc121009164daad0e1962f4ea7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9D9B | 15884 bytes |
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