MALICIOUS
154
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.cc'. Additionally, it exhibits a PDF link farm behavior, with numerous links pointing to external resources, including a benign-looking Shopify URL that is likely used as a lure. The ML classifier also strongly indicated maliciousness. The primary attack pattern involves redirecting the user to malicious infrastructure.
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=drywall+sheetrock+gypsum+board
- http://files.hangingbetween.com/uploads/1/3/1/6/131606198/tususakidiwi.pdf
- http://files.lisagoethemcginn.com/uploads/1/3/1/8/131871419/a147e7d1c7f750.pdf
- https://cdn.shopify.com/s/files/1/0434/5842/9078/files/legends_of_runeterra_open_beta.pdf
- https://cdn.shopify.com/s/files/1/0435/7265/8335/files/maths_olympiad_books_for_class_5_free_download.pdf
- https://cdn.shopify.com/s/files/1/0433/1785/4373/files/28522533481.pdf
- https://cdn.shopify.com/s/files/1/0431/4847/6570/files/arabic_dictionary_offline.pdf
- https://cdn.shopify.com/s/files/1/0430/8949/4177/files/lupanin.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/kefemomorevogik.pdf
- https://cdn.shopify.com/s/files/1/0439/2045/7883/files/cambridge_english_for_engineering_free_download.pdf
- https://cdn.shopify.com/s/files/1/0432/0083/9842/files/95625254583.pdf
- https://cdn.shopify.com/s/files/1/0432/9226/2560/files/59702923567.pdf
- https://cdn.shopify.com/s/files/1/0437/8312/7201/files/autocad_2020_import_scale.pdf
- https://cdn.shopify.com/s/files/1/0437/8296/3361/files/87320426083.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_off0000adf5.bin2b2e7a3a85cc7bd7d2c946d19f470dcffe1c6a8c52b95d31a74051c8f1a0d90d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xADF5 | 5884 bytes |
font_01_sfnt_off0000c1f1.bin104f39d0016d65637e8dab57420d4b9f6633340954988cb67d20e54aa10fee27 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC1F1 | 10584 bytes |
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