MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1566.002 Spearphishing Link
The PDF was flagged by a critical heuristic for linking to known malicious redirector infrastructure. Additionally, it contains a link farm pointing to multiple PDF files hosted on Shopify, with one URL identified as a potential redirector. The ML classifier also strongly indicated maliciousness. No scripts were extracted, but the presence of a malicious redirector URL suggests a phishing or malware delivery 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.ru/pify?keyword=medidas+politicas+de+las+reformas+borbonicas
- http://bodulixem.psucusa.com/uploads/1/3/1/6/131606490/lokuxujimujujuta.pdf
- http://files.bethalexlarson.com/uploads/1/3/2/6/132682640/xugib.pdf
- https://cdn.shopify.com/s/files/1/0433/4338/0631/files/56095696543.pdf
- https://cdn.shopify.com/s/files/1/0438/6013/2005/files/tomokilexabu.pdf
- https://cdn.shopify.com/s/files/1/0432/8180/9566/files/arteries_and_veins_anatomy.pdf
- https://cdn.shopify.com/s/files/1/0457/7371/7670/files/86249867842.pdf
- https://cdn.shopify.com/s/files/1/0436/6496/5782/files/86033891631.pdf
- https://cdn.shopify.com/s/files/1/0429/9587/5989/files/nimokezexinofokedozag.pdf
- https://cdn.shopify.com/s/files/1/0429/0985/9999/files/sedabuxu.pdf
- https://cdn.shopify.com/s/files/1/0437/8869/7761/files/wowesamoretegugimumuwof.pdf
- https://cdn.shopify.com/s/files/1/0431/0371/5489/files/zamezofojitafaxeparexena.pdf
- https://cdn.shopify.com/s/files/1/0433/2670/1718/files/dizuwe.pdf
- https://cdn.shopify.com/s/files/1/0434/2857/7447/files/anarchism_and_other_essays_emma_goldman.pdf
- https://cdn.shopify.com/s/files/1/0434/1622/3906/files/a._p._r_full_form.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/
- https://cdn.shopify.com/s/files/
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00008992.bin5923f3fa33df4ae7e3957a876ce1d2f5ce1175e263cf9cc3980d0010191cbb71 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8992 | 5448 bytes |
font_01_sfnt_off00009c00.bin9e36722a6def29f3d4e68b8eea5e6a4b0557fec91ce379909a285129b43d08ed |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9C00 | 11344 bytes |
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