MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.002 Malicious Link
The PDF contains a link farm pointing to numerous benign-looking Shopify URLs, but also includes a critical link to a known malicious redirector at 'ttraff.com'. The document body, though malformed, contains text suggesting it is a 'Sewart user manual', which is likely a lure to encourage clicks on the malicious link. The ML classifier strongly supports the malicious verdict.
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/wix?keyword=sewart+user+manual
- https://cdn.shopify.com/s/files/1/0430/8657/7828/files/complete_list_of_adjectives.pdf
- https://cdn.shopify.com/s/files/1/0431/2023/0564/files/bokures.pdf
- https://cdn.shopify.com/s/files/1/0432/4907/4336/files/jopubomoxakezawuz.pdf
- https://cdn.shopify.com/s/files/1/0431/8271/9127/files/rudul.pdf
- https://static.usrfiles.com/ugd/b8c837_0682b95916174ea4b950de16599f2051.pdf
- https://static.usrfiles.com/ugd/b8c837_96ca8690fda74c27bbbcaf388d325fc6.pdf
- https://cdn.shopify.com/s/files/1/0429/3551/7337/files/laboratory_manual_for_physical_geolo.pdf
- https://cdn.shopify.com/s/files/1/0429/4960/7590/files/94632442596.pdf
- https://static.usrfiles.com/ugd/b8c837_00b3841e60a445598df8d3c5c2635e84.pdf
- https://static.usrfiles.com/ugd/b8c837_b009da7b176544e0ae42b3d0e333aa29.pdf
- https://static.usrfiles.com/ugd/b8c837_3020d7d9c3fa4affaa29f456dc8a2463.pdf
- https://static.usrfiles.com/ugd/b8c837_838e6c35c7ab48cb99478704e6ef112e.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_off000063a6.binac1eb0ed044bbb2ec723ff6a24839e709f998d3862872e131d770a7cff2ca8d0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x63A6 | 5028 bytes |
font_01_sfnt_off000074b3.binacda5363d9c0551f9893b92b6844fe52292660257ada5fa9d517eb17c109be17 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x74B3 | 10208 bytes |
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