MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged as malicious due to a critical heuristic identifying it as a redirector link to known malicious infrastructure. It also contains a large number of embedded links, characteristic of a link farm. The primary malicious URL identified is https://ttraff.com/wix?keyword=signals+systems+2nd+edition, which is likely used to lure victims. The document body contains garbled text but includes the same URL, reinforcing its role as a lure.
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=signals+systems+2nd+edition
- https://cdn.shopify.com/s/files/1/0433/8126/0438/files/31932107947.pdf
- https://cdn.shopify.com/s/files/1/0431/6836/6760/files/modal_auxiliary_verbs_book.pdf
- https://cdn.shopify.com/s/files/1/0428/7732/1379/files/71825707124.pdf
- https://cdn.shopify.com/s/files/1/0431/4251/2802/files/nikosodazowolelupok.pdf
- https://cdn.shopify.com/s/files/1/0436/4589/4816/files/transpose_guitar_chords_chart.pdf
- https://static.usrfiles.com/ugd/b13fd1_8ba3d735bb7b448a94e186480ac7f01e.pdf
- https://static.usrfiles.com/ugd/7598fa_9ac59dcc84dc47f392bed3d55bbe1163.pdf
- https://static.usrfiles.com/ugd/f0e51d_c18eb523af2f4911b368f842c0b695e6.pdf
- https://static.usrfiles.com/ugd/b8c837_c7ceaabc4d1945d08c2a6225905d296a.pdf
- https://cdn.shopify.com/s/files/1/0434/3873/5517/files/remove_from_array.pdf
- https://cdn.shopify.com/s/files/1/0438/5452/8677/files/international_maritime_admiralty_law.pdf
- https://static.usrfiles.com/ugd/0c4177_837860e554be4dd9b3f3cbcb8fb9d7de.pdf
- https://static.usrfiles.com/ugd/0e9fc2_114d32780031457aa846235502a3af67.pdf
- https://static.usrfiles.com/ugd/b8c837_92636154c2234b04bc6406555cb7d128.pdf
- https://static.usrfiles.com/ugd/4f270c_9b29df7d84d541eaa90b58d1c8236058.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_off00006fc1.binbee16a713c4dfa9fbe30e4a9b6a794a4a20a33ddca2c6441daf477699acb9e44 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6FC1 | 5388 bytes |
font_01_sfnt_off00008201.bine302ae00c5117afc26ecd1f18c9fb45e11a74943c8933d8acd8cb4a893a2e3cf |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8201 | 10364 bytes |
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