MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a critical heuristic firing for a malicious redirector link pointing to 'ttraff.com'. Additionally, it features a PDF link farm heuristic, indicating a large number of external links, with the primary one leading to a Shopify domain. The ML classifier strongly flagged this PDF as malicious. The embedded URL 'https://ttraff.com/pify?keyword=chapter+13+to+kill+a+mockingbird+pdf' is the most critical IOC, suggesting a lure to a malicious site.
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=chapter+13+to+kill+a+mockingbird+pdf
- http://files.bexleyvoice.org.uk/uploads/1/3/1/4/131483371/domudugogosa.pdf
- http://files.hfchurch.com/uploads/1/3/1/3/131379730/tareza_fuvoku_sazopilajutuzi.pdf
- http://files.wiedivers.com/uploads/1/3/0/7/130739621/lipuvapukabezew.pdf
- http://files.sysenartworks.net/uploads/1/3/2/6/132695734/2ad3eef91.pdf
- https://cdn.shopify.com/s/files/1/0432/0156/0737/files/82815493122.pdf
- https://cdn.shopify.com/s/files/1/0433/2499/7800/files/kofoloxusosabudojulon.pdf
- https://cdn.shopify.com/s/files/1/0439/0112/4760/files/nozove.pdf
- https://cdn.shopify.com/s/files/1/0431/5326/0701/files/zomovuwotibe.pdf
- https://cdn.shopify.com/s/files/1/0427/9461/4940/files/tezunut.pdf
- https://cdn.shopify.com/s/files/1/0434/2641/4749/files/49780047895.pdf
- https://cdn.shopify.com/s/files/1/0434/2002/4989/files/91564834023.pdf
- https://cdn.shopify.com/s/files/1/0435/9720/1567/files/53396990099.pdf
- https://cdn.shopify.com/s/files/1/0449/9665/7320/files/minoko.pdf
- https://cdn.shopify.com/s/files/1/0430/6550/8002/files/kenujanomejuvodor.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/97428896976.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_off0000a779.bin387a38fe192d9d7fb8aaadadbcb73f336f361fb202252a75911e686a0c2c9747 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA779 | 5716 bytes |
font_01_sfnt_off0000bac3.binad3250b5c854402a7d6e95064e9f0f43b9884fc80539e972fc5964d19bbaf928 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBAC3 | 10324 bytes |
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