MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains embedded links, one of which, 'https://ttraff.ru/wix?keyword=comptia+a++1001+and+1002+books', is flagged as a malicious redirector. The document body, though heavily obfuscated, appears to contain keywords related to Comptia A+ books, suggesting a lure to entice clicks. The presence of numerous other Shopify links, many marked as benign, likely serves to camouflage the malicious redirector within a larger link farm.
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/wix?keyword=comptia+a++1001+and+1002+books
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0431/1393/9110/files/the_substitute_failure_is_not_an_option.pdf
- https://cdn.shopify.com/s/files/1/0435/4686/9915/files/30099359051.pdf
- https://cdn.shopify.com/s/files/1/0438/2585/6669/files/mividuzuwesusom.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/43396058945.pdf
- https://cdn.shopify.com/s/files/1/0434/6393/4105/files/93931800370.pdf
- https://cdn.shopify.com/s/files/1/0451/6413/4554/files/apics_cpim_study_material_free_download.pdf
- https://cdn.shopify.com/s/files/1/0431/3258/4087/files/55515564119.pdf
- https://cdn.shopify.com/s/files/1/0435/8812/4830/files/10114804094.pdf
- https://cdn.shopify.com/s/files/1/0432/2590/7368/files/71528007976.pdf
- https://cdn.shopify.com/s/files/1/0439/3402/3848/files/advantages_and_disadvantages_of_probability_sampling_techniques.pdf
- https://cdn.shopify.com/s/files/1/0437/1188/9576/files/48678673214.pdf
- https://cdn.shopify.com/s/files/1/0428/9524/5475/files/mapavujulajonejajuxejutek.pdf
- https://cdn.shopify.com/s/files/1/0464/5004/9192/files/zupedesu.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/
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00005ca5.bin5f2e9ab3a021597ffd82af3573482f4bcd35df3da4ccfdc749ca8c070e756813 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5CA5 | 5412 bytes |
font_01_sfnt_off00006eed.bin92f4d5e0c2af067ae2d1b0be5d3b6467363440b618c7e5105a79bcf530e673c1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6EED | 10420 bytes |
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