MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous embedded links, with one identified as a malicious redirector. The document body, though heavily obfuscated, contains text that appears to be a lure for a 'Cisco finesse desktop user guide'. The presence of a malicious redirector suggests an attempt to lead the user to a malicious site, likely for further exploitation or credential harvesting. No scripts were extracted, but the PDF structure itself facilitates the malicious redirection.
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=cisco+finesse+desktop+user+guide
- http://files.riohondobaptistchurch.org/uploads/1/3/1/3/131379639/jububexutezebefozi.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0429/3525/5203/files/thousand_miles_sheet_music.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/49816413057.pdf
- https://cdn.shopify.com/s/files/1/0437/5294/7873/files/48531074347.pdf
- https://cdn.shopify.com/s/files/1/0434/4433/8854/files/74557017840.pdf
- https://cdn.shopify.com/s/files/1/0438/8188/9960/files/the_knight_s_tale_analysis.pdf
- https://cdn.shopify.com/s/files/1/0429/2011/6387/files/gartner_report_on_cloud_computing_2018.pdf
- https://cdn.shopify.com/s/files/1/0437/4413/3281/files/74352595370.pdf
- https://cdn.shopify.com/s/files/1/0445/6284/1759/files/body_language_in_business.pdf
- https://cdn.shopify.com/s/files/1/0430/0328/1571/files/the_arbitration_act_1996_a_commentary.pdf
- https://cdn.shopify.com/s/files/1/0435/2930/6263/files/dipez.pdf
- https://cdn.shopify.com/s/files/1/0437/7369/0017/files/peduroborotus.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_off00005a0c.bind6c28da534b9ea2401fa7079925f03ffb65031b1539f0efbb7c76aebac789fed |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5A0C | 5048 bytes |
font_01_sfnt_off00006b4c.bineea260534bd2e467f08b41c7395df5b853feb928c203d2c7af37fd09544d8286 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6B4C | 10384 bytes |
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