MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded links that redirect to malicious infrastructure, specifically a URL that appears to be a link farm designed to host malicious content. The ML classifier strongly indicated maliciousness, and the presence of a redirector link further supports this. The document body, though heavily obfuscated, contains references to the redirector URL and other PDF files hosted on Shopify, suggesting a phishing or redirection 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/pify?keyword=bilstein+group+annual+report
- http://nakulare.brandito.net/uploads/1/3/0/7/130776008/c0512094658.pdf
- http://files.bassicallymusic.com/uploads/1/3/0/8/130813095/jijuseziwuwunis_gafafatiti.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0434/2281/0263/files/87085982979.pdf
- https://cdn.shopify.com/s/files/1/0429/4141/5587/files/estrous_cycle_in_cow.pdf
- https://cdn.shopify.com/s/files/1/0433/3309/1496/files/78897419369.pdf
- https://cdn.shopify.com/s/files/1/0431/5820/8672/files/53704918419.pdf
- https://cdn.shopify.com/s/files/1/0434/4378/1792/files/42260182007.pdf
- https://cdn.shopify.com/s/files/1/0432/0867/1394/files/valenanewopa.pdf
- https://cdn.shopify.com/s/files/1/0439/5394/6782/files/chopin_waltz_in_a_minor_b._150_op_posth.pdf
- https://cdn.shopify.com/s/files/1/0435/7482/1019/files/xudotul.pdf
- https://cdn.shopify.com/s/files/1/0429/6533/6217/files/67199550557.pdf
- https://cdn.shopify.com/s/files/1/0436/8669/0969/files/ligixeba.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_off00005323.bin8003005dacd52858f3c4a3b13dfc8d1580994c84cf39a7070495814389a52ac2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5323 | 5036 bytes |
font_01_sfnt_off0000644b.bin3411c9d9d521d33ef94a10123ac1d1a006ca5d5256f2b9437cf5e0f11528e8c9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x644B | 9828 bytes |
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