MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains embedded links that point to a known malicious redirector, specifically 'https://ttraff.com/pify?keyword=cable+stayed+bridge+construction+pdf'. The document body, though heavily obfuscated, also contains this URL. The presence of numerous external PDF links, many hosted on Shopify, suggests a link farm designed to obscure the ultimate malicious destination. The ML classifier strongly flagged this PDF as malicious.
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.com/pify?keyword=cable+stayed+bridge+construction+pdf
- http://nimuduzot.moot.nilsinternational.org/uploads/1/3/1/8/131856462/8e98e3f28a47.pdf
- http://files.hannahsealy.com/uploads/1/3/1/0/131070476/6191173.pdf
- http://files.jasminkwan.com/uploads/1/3/1/4/131453248/kubomerebamel.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/18983443830.pdf
- https://cdn.shopify.com/s/files/1/0434/5833/0786/files/95293758695.pdf
- https://cdn.shopify.com/s/files/1/0434/9919/2472/files/juzelowotawijejuparikim.pdf
- https://cdn.shopify.com/s/files/1/0430/3680/3233/files/rurigajimefut.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/kiragin.pdf
- https://cdn.shopify.com/s/files/1/0430/4168/5665/files/tiparerurimip.pdf
- https://cdn.shopify.com/s/files/1/0434/8493/8402/files/rowenil.pdf
- https://cdn.shopify.com/s/files/1/0435/1868/9432/files/keyboard_key_codes.pdf
- https://cdn.shopify.com/s/files/1/0430/9906/2421/files/xigafawupugidifafomo.pdf
- https://cdn.shopify.com/s/files/1/0428/9848/9503/files/46544296622.pdf
- https://cdn.shopify.com/s/files/1/0428/2492/5340/files/kepunivuguganabeb.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/
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00009c8d.binffb3320d6b03f7adecf7e5c25bcd416f1dfc8eb1ef21dfbd24970dedff5df26c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9C8D | 5472 bytes |
font_01_sfnt_off0000af35.binb8ebf0dc63cceef67a3cdf52f1d0400ad43ffd6698db57fc488dd625e8046d3c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAF35 | 10208 bytes |
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