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=weightlifting+program+for+weight+los', is flagged as a malicious redirector. The document body, though heavily obfuscated, contains text related to weightlifting programs, suggesting a lure. The presence of numerous external PDF links, many pointing to benign Shopify URLs, indicates a link farm strategy, likely to improve SEO for the malicious redirector.
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=weightlifting+program+for+weight+los
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0429/8070/4405/files/strongman_training_program_for_beginners.pdf
- https://cdn.shopify.com/s/files/1/0433/3764/6245/files/mulogifojinesag.pdf
- https://cdn.shopify.com/s/files/1/0429/8522/6403/files/naca_airfoil_database.pdf
- https://cdn.shopify.com/s/files/1/0437/6104/1559/files/ldc_answer_key_2020_9_sep.pdf
- https://static.usrfiles.com/ugd/b8c837_6ca9ee3b85aa4b28a40204dbd0cb6a60.pdf
- https://static.usrfiles.com/ugd/09c3c7_dc0a4cff7a184f12b20299675178e0a4.pdf
- https://static.usrfiles.com/ugd/b8c837_9bec7f00dfa645c18488ffa75b96729d.pdf
- https://cdn.shopify.com/s/files/1/0437/8374/9781/files/diastolic_dysfunction_management_guidelines.pdf
- https://cdn.shopify.com/s/files/1/0431/3507/4465/files/givifokikomu.pdf
- https://cdn.shopify.com/s/files/1/0431/8684/7905/files/bixozunopegene.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_off00007ca4.bin6f8169a7f4851d554d87ca26507a044e3fc56db7e2dd4d5f62afd78e75b63cd3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7CA4 | 5420 bytes |
font_01_sfnt_off00008efc.bin804a3f18b5de5e524ccc49fcbd3e087b121104b31e1aedd512ba49f59f713378 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8EFC | 9848 bytes |
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