MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged as malicious by a machine learning model and contains a critical heuristic indicating it links to known malicious redirector infrastructure. Additionally, it exhibits characteristics of a PDF link farm, with numerous external links, many hosted on cdn.shopify.com. The embedded URL 'https://ttraff.com/pify?keyword=popliteal+nerve+block+usg+guided' is a primary indicator of malicious intent, likely serving as a lure or redirector. The document body contains garbled text but includes the same suspicious URL, reinforcing its presence.
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=popliteal+nerve+block+usg+guided
- http://tibewo.bvcgames.com/uploads/1/3/0/7/130739573/06a83a.pdf
- https://cdn.shopify.com/s/files/1/0432/4920/5405/files/libasomorezekife.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/33374625424.pdf
- https://cdn.shopify.com/s/files/1/0428/4815/7859/files/53763872123.pdf
- https://cdn.shopify.com/s/files/1/0439/2216/1832/files/small_extension_in_google_chrome_browser.pdf
- https://cdn.shopify.com/s/files/1/0434/3565/5335/files/82098086303.pdf
- https://cdn.shopify.com/s/files/1/0435/1236/5211/files/92858626759.pdf
- https://cdn.shopify.com/s/files/1/0428/7463/4403/files/articulos_de_hernia_discal_cervical.pdf
- https://cdn.shopify.com/s/files/1/0429/4764/1510/files/22039589153.pdf
- https://cdn.shopify.com/s/files/1/0434/1052/2277/files/86892700444.pdf
- https://cdn.shopify.com/s/files/1/0437/2824/0794/files/android_recyclerview_adapter_github.pdf
- https://cdn.shopify.com/s/files/1/0432/8580/7268/files/63003010924.pdf
- https://cdn.shopify.com/s/files/1/0431/7547/7416/files/16240792295.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_off0000be5d.bin96dd69dd7a6fb27c5a01e743f47b6ef4b5618b74889c83b5e35f43ebce70b960 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBE5D | 5504 bytes |
font_01_sfnt_off0000d11c.binbb03eb7ea1b984d242ef856b62ebad7be831e52ede2311855c0f7f130d1c96d7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD11C | 12832 bytes |
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