MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged as malicious by a machine learning classifier and contains numerous embedded links. One of these links, https://ttraff.cc/wb?keyword=brainwashed%20by%20tom%20burrell%20pdf, points to known malicious redirector infrastructure. The document body, though heavily obfuscated, also contains this URL and a large list of other URLs, many hosted on Shopify, suggesting a link farm or redirection scheme designed to lead users to malicious content.
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/wb?keyword=brainwashed%20by%20tom%20burrell%20pdf
- http://files.rabbithoppingsocietyofaustralia.com/uploads/1/3/0/8/130813757/9ff8cd0a.pdf
- http://files.dekaping.nl/uploads/1/3/2/6/132696274/8961248.pdf
- http://files.acuddleabovepc.com/uploads/1/3/0/8/130814636/3347191.pdf
- https://cdn.shopify.com/s/files/1/0431/4916/4698/files/19675158411.pdf
- https://cdn.shopify.com/s/files/1/0434/6442/5634/files/36085657758.pdf
- https://cdn.shopify.com/s/files/1/0434/3139/5478/files/66080571280.pdf
- https://cdn.shopify.com/s/files/1/0433/9118/9157/files/87704500199.pdf
- https://cdn.shopify.com/s/files/1/0431/5355/5610/files/ecology_and_environment_by_p_d_sharma_free_download.pdf
- https://cdn.shopify.com/s/files/1/0430/2903/7219/files/38461916846.pdf
- https://cdn.shopify.com/s/files/1/0428/4101/4438/files/jurik.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/27247465441.pdf
- https://cdn.shopify.com/s/files/1/0434/5197/3799/files/eicosanoids_pharmacology.pdf
- https://cdn.shopify.com/s/files/1/0455/7688/0293/files/basic_grammar_in_use_test.pdf
- https://cdn.shopify.com/s/files/1/0434/6268/8918/files/buriviko.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_off0000602e.binf5ad1762220ff526bca177641ddfc4b6823e74edd02f56f7c16736fcd3450cdf |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x602E | 5664 bytes |
font_01_sfnt_off00007357.bine5b9e0954469ec6c886ec2756ba8e8886f3fc7ea08de4e41fd938e3d0298237f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7357 | 11792 bytes |
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