MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains embedded links, one of which directs to a known malicious redirector infrastructure. The document body, though heavily obfuscated, contains text that appears to be a lure for an operating manual, and also contains the malicious URL. The ML classifier strongly indicates maliciousness, and the presence of numerous external links suggests a link farm or redirection attempt.
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/wb?keyword=notifier%20nfs-320%20operating%20manual
- http://metorize.hannahlandjones.com/uploads/1/3/0/8/130814758/158484.pdf
- http://files.lynnseypattersonart.com/uploads/1/3/1/4/131437295/sozevuvo.pdf
- http://files.gingersnapsapparel.com/uploads/1/3/1/4/131437513/kepozakevivowepipef.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0429/7926/2615/files/dynex_tv_codes.pdf
- https://cdn.shopify.com/s/files/1/0432/7197/9172/files/65905918626.pdf
- https://cdn.shopify.com/s/files/1/0436/8711/6965/files/american_reunion_free_online.pdf
- https://cdn.shopify.com/s/files/1/0438/4302/7106/files/28987973536.pdf
- https://cdn.shopify.com/s/files/1/0430/7881/1797/files/rizatafemolexapu.pdf
- https://cdn.shopify.com/s/files/1/0429/2925/8649/files/padulimobopodugedes.pdf
- https://cdn.shopify.com/s/files/1/0433/0268/2789/files/98074716307.pdf
- https://cdn.shopify.com/s/files/1/0440/9756/8920/files/adobe_illustrator_cs5_tools_and_functions.pdf
- https://cdn.shopify.com/s/files/1/0433/9430/2117/files/bekizeze.pdf
- https://cdn.shopify.com/s/files/1/0432/7289/6672/files/41603652986.pdf
- https://cdn.shopify.com/s/files/1/0433/4069/3662/files/59990935216.pdf
- https://cdn.shopify.com/s/files/1/0429/2804/6233/files/bodegas_alianza_precios.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_off0000595d.bina7984607b438951cdb38a238b83e5156cd89bb6894f43e87a834662713a9c0c6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x595D | 5660 bytes |
font_01_sfnt_off00006c9b.bindc4c71d71316e1d86ca9626000816d2b51d8e4fc1d4581e14b64e54c260874ba |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6C9B | 10844 bytes |
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