MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded links, many of which point to a link farm hosted on cdn.shopify.com. One of these links redirects to a malicious URL (ttraff.cc), indicating a phishing or redirection attempt. The document body, though heavily obfuscated, contains text related to a book title, suggesting a lure to download or access content. 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.cc/pify?keyword=grammar+and+vocabulary+for+advanced+book+pdf
- http://files.fearless-compassion.org/uploads/1/3/1/4/131438616/3f256d7480302.pdf
- http://files.ecowisesprinkler.com/uploads/1/3/2/7/132741136/zobiviteru.pdf
- http://files.614fitness.com/uploads/1/3/1/8/131872054/bodifixoximavudovasa.pdf
- https://cdn.shopify.com/s/files/1/0440/4481/2438/files/57240799455.pdf
- https://cdn.shopify.com/s/files/1/0434/9542/4165/files/31003003466.pdf
- https://cdn.shopify.com/s/files/1/0433/9574/3907/files/xodudikab.pdf
- https://cdn.shopify.com/s/files/1/0431/6551/5933/files/zidejote.pdf
- https://cdn.shopify.com/s/files/1/0435/5689/6927/files/31052741230.pdf
- https://cdn.shopify.com/s/files/1/0434/3644/1767/files/9372113653.pdf
- https://cdn.shopify.com/s/files/1/0430/0098/7801/files/84290589491.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/69262577592.pdf
- https://cdn.shopify.com/s/files/1/0434/6970/1280/files/luzopowoj.pdf
- https://cdn.shopify.com/s/files/1/0433/7732/8278/files/20739974567.pdf
- https://cdn.shopify.com/s/files/1/0431/5827/4205/files/92242644726.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/
- https://cdn.shopify.com/s/files/1/0435/5689/6927/file
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000652a.binc192709251bbd7a2fbb411d12d21b671d55d4415416cab00eb58857c513f3123 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x652A | 5272 bytes |
font_01_sfnt_off0000770e.bin007e96708aeddce3f773679f4e31fa88b93ac3ac1693fdcc992750a4eb6c6c0b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x770E | 11796 bytes |
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