MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a large number of embedded links, many pointing to Shopify domains, but one critical link directs to a known malicious redirector. The document body, though heavily obfuscated, contains the malicious URL and appears to be a lure related to clothing sizes. The ML classifier strongly flagged this PDF as malicious, supporting the conclusion that it is designed to redirect users to harmful content.
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=giordano+clothing+size+guide
- http://files.callahansclassroom.com/uploads/1/3/1/8/131872054/lapilenanuvap.pdf
- http://tojusomud.thechurchtaxexpertsofamericallc.com/uploads/1/3/1/3/131398404/sexujep_gilumopil.pdf
- http://guvobas.desireemariedesign.com/uploads/1/3/0/7/130740387/niliduto.pdf
- http://files.bbpregistry.com/uploads/1/3/0/7/130776812/givuzikamagununaj.pdf
- http://fumumila.runsquadopo.org/uploads/1/3/0/8/130873951/nokoxako_sefawikabuguxos_retox.pdf
- https://cdn.shopify.com/s/files/1/0429/4931/2666/files/95891076537.pdf
- https://cdn.shopify.com/s/files/1/0430/6498/3703/files/gexulurot.pdf
- https://cdn.shopify.com/s/files/1/0430/5059/8562/files/mufadefesuzukexesos.pdf
- https://cdn.shopify.com/s/files/1/0437/9030/3381/files/bobamajedikonofovobepulux.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/65529241957.pdf
- https://cdn.shopify.com/s/files/1/0429/1005/6615/files/benipuwej.pdf
- https://cdn.shopify.com/s/files/1/0430/5184/3737/files/dajuriluxurewule.pdf
- https://cdn.shopify.com/s/files/1/0439/0027/2792/files/22154755191.pdf
- https://cdn.shopify.com/s/files/1/0429/7005/4805/files/zovukivomo.pdf
- https://cdn.shopify.com/s/files/1/0433/7349/4430/files/39365828738.pdf
- https://cdn.shopify.com/s/files/1/0431/7731/2405/files/repakozineze.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/18842325712.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_off0000531a.bin7163fc4c1bac7fb6637e75b9504a4fe7cb17e973eff0c424f543f99a5269d925 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x531A | 5280 bytes |
font_01_sfnt_off0000650e.bin072ba3bcd2aa2e49c5d1f15cad6b5f09f91cb171e0d2c1820bf5136dfcb02feb |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x650E | 14504 bytes |
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