MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged by multiple critical heuristics for containing malicious redirector links and a link farm. The ML classifier also strongly indicated maliciousness. The document body contains obfuscated text and numerous embedded URLs, including a suspicious redirector URL (https://ttraff.cc/pify?keyword=vizio+vw+26l) and many links to Shopify-hosted PDFs, suggesting a coordinated effort to distribute malicious content. The primary attack pattern involves luring users to external sites via these links.
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.cc/pify?keyword=vizio+vw+26l
- http://files.mvcsc.net/uploads/1/3/0/7/130776592/gaduk_gegujupawaku_rowovakovol_buzetuwu.pdf
- http://files.keewahla.com/uploads/1/3/1/3/131379268/bc27e06cbfd.pdf
- http://files.sporkbooks.com/uploads/1/3/0/7/130775138/305376.pdf
- https://cdn.shopify.com/s/files/1/0434/0046/2501/files/muzafaj.pdf
- https://cdn.shopify.com/s/files/1/0429/8365/3527/files/47385920934.pdf
- https://cdn.shopify.com/s/files/1/0435/4008/6935/files/wewekarowawoto.pdf
- https://cdn.shopify.com/s/files/1/0437/2103/1832/files/oathbound_paladin_build.pdf
- https://cdn.shopify.com/s/files/1/0436/1761/6034/files/mebawugorofubigigaxix.pdf
- https://cdn.shopify.com/s/files/1/0437/0753/1432/files/babufepebetinu.pdf
- https://cdn.shopify.com/s/files/1/0429/2070/6204/files/sazagawekuxinis.pdf
- https://cdn.shopify.com/s/files/1/0432/4117/7248/files/square_root_algorithm.pdf
- https://cdn.shopify.com/s/files/1/0437/1234/8315/files/gojomugibefujevujazep.pdf
- https://cdn.shopify.com/s/files/1/0435/7016/7966/files/4283380469.pdf
- https://cdn.shopify.com/s/files/1/0429/5540/7511/files/penakivatawogewonowu.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_off0000545a.binb95deebedcddeebd76767b4d429cc3073b19f2143b3f5a57ec1ae1e66abb5438 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x545A | 4648 bytes |
font_01_sfnt_off0000646c.binf7c35b9e96c29854ac1525e92d4b71ce354eb69cf5c747a282ef3412ddb5d2fd |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x646C | 11644 bytes |
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