MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a critical heuristic firing for a malicious redirector link, which is also present in the document body. This link, disguised with keywords related to 'Assassin's Creed Syndicate', points to a suspicious domain. The document also exhibits characteristics of a link farm, with numerous embedded URLs, many pointing to Shopify, suggesting an attempt to obscure the 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.ru/pify?keyword=assassin%2527+s+creed+syndicate+xbox+one++code
- http://files.balletbeats.co.uk/uploads/1/3/1/8/131856212/sufafomoxem.pdf
- http://nufizoz.herodebeauvais.com/uploads/1/3/1/4/131407406/nivaniveta.pdf
- http://files.gildatgarbanzos.org/uploads/1/3/0/9/130968943/2383923.pdf
- http://files.fitnessbyloren.com/uploads/1/3/1/0/131070362/4877556.pdf
- https://cdn.shopify.com/s/files/1/0428/0428/1511/files/libivose.pdf
- https://cdn.shopify.com/s/files/1/0431/7052/9436/files/76475800316.pdf
- https://cdn.shopify.com/s/files/1/0433/4803/3689/files/75966055868.pdf
- https://cdn.shopify.com/s/files/1/0451/6433/1162/files/cracker_barrel_employee_uniform.pdf
- https://cdn.shopify.com/s/files/1/0429/1208/8231/files/number_format_javascript_function.pdf
- https://cdn.shopify.com/s/files/1/0431/7075/8820/files/descriptive_adjectives_word_search.pdf
- https://cdn.shopify.com/s/files/1/0435/6407/3128/files/60650139061.pdf
- https://cdn.shopify.com/s/files/1/0432/8580/7269/files/52446572137.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_off0000c445.bin541d3236355505adc3d5892b69a3c95bd25d914eca107d4f9dd59aa412b5537a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC445 | 5232 bytes |
font_01_sfnt_off0000d621.bin3bcdc72c2cba4e469d5d3d8096852a731902836acc865cbd17077207b6556788 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD621 | 10420 bytes |
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