MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF file was flagged as malicious by an ML classifier and contains a high number of external links, a technique often used for SEO poisoning or to distribute malicious content. One of the embedded URLs, 'https://ttraff.com/wix?keyword=poem+for+a+sister', is identified as a known malicious redirector. The document body, though heavily obfuscated, contains this URL and other links to Shopify-hosted PDFs, suggesting a link farm or redirection scheme. No scripts were extracted, but the presence of the malicious redirector and the link farm heuristic strongly indicate a phishing or malware distribution attempt.
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=poem+for+a+sister
- https://cdn.shopify.com/s/files/1/0440/5713/3221/files/small_compress_300kb.pdf
- https://cdn.shopify.com/s/files/1/0427/4513/5260/files/caterpillar_3208_parts_manual.pdf
- https://cdn.shopify.com/s/files/1/0434/7068/4317/files/19721677023.pdf
- https://cdn.shopify.com/s/files/1/0436/3078/8758/files/estrategias_de_aprendizaje_auditivo.pdf
- https://cdn.shopify.com/s/files/1/0441/4016/7320/files/2138494505.pdf
- https://cdn.shopify.com/s/files/1/0462/6844/8930/files/gaxokevabawod.pdf
- https://cdn.shopify.com/s/files/1/0435/1574/0312/files/29507190981.pdf
- https://cdn.shopify.com/s/files/1/0432/4645/2899/files/astronomical_photometry.pdf
- https://static.usrfiles.com/ugd/b7082a_d9c78e0da94f460ea3279699e6df7d99.pdf
- https://static.usrfiles.com/ugd/b4609a_592390c4de6b478c962409def359400e.pdf
- https://static.usrfiles.com/ugd/a4e402_2cbd73e9e8424c57a2a54be0530cf636.pdf
- https://static.usrfiles.com/ugd/b8c837_113ebf78a3324752a355d55de411a222.pdf
- https://static.usrfiles.com/ugd/83e24f_a4c8e17c204f4d578b858f96f09264cf.pdf
- https://static.usrfiles.com/ugd/10e3af_5514e65991a74e3cb3b2c59f421fa9be.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_off000069fe.bin18ea3750ae7c54a2240e57152ad2f7c95a7c4cfabc18d7e630998cd0d06890e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x69FE | 4880 bytes |
font_01_sfnt_off00007a79.bin3a3e55c207d4212ad06f207a3750b75b5bc4c78ea9e371216d9910d678916d2a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7A79 | 10264 bytes |
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