MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains embedded links that redirect to a malicious URL, identified by the 'PDF_MALICIOUS_REDIRECTOR_LINK' heuristic. The document body, though heavily obfuscated, contains text related to 'Chuzzle deluxe free download' and the malicious URL, suggesting a lure for users to click on the link. The presence of numerous external PDF links also indicates a link farm strategy, likely for SEO manipulation or to host further malicious 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.com/wix?keyword=chuzzle+deluxe+free+download+full+ve
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0429/1995/2550/files/pathophysiology_of_acute_respiratory_distress_syndrome.pdf
- https://cdn.shopify.com/s/files/1/0460/8399/7860/files/agenda_tributaria_janeiro_2019.pdf
- https://cdn.shopify.com/s/files/1/0431/6430/3516/files/6872904583.pdf
- https://cdn.shopify.com/s/files/1/0431/3061/8020/files/48124877347.pdf
- https://cdn.shopify.com/s/files/1/0431/3346/8839/files/rufijanitazaluw.pdf
- https://static.usrfiles.com/ugd/5fd5c1_1918bc92ea4848b6b887d27b91fe12e0.pdf
- https://static.usrfiles.com/ugd/b8c837_f3b4457cb7d341cfb912eb9dfea326e8.pdf
- https://static.usrfiles.com/ugd/e4a001_9e65eaf9a39c46e9b58fe9ebfb2620e2.pdf
- https://static.usrfiles.com/ugd/726ec9_d5f9eb6e6d3d48c4a48966dd0bab3ec4.pdf
- https://static.usrfiles.com/ugd/902d29_962f6e220eea4121ac79026f3ca81b32.pdf
- https://static.usrfiles.com/ugd/ea78e0_6a33316b63c549aba934ca14048b72f6.pdf
- https://static.usrfiles.com/ugd/e1c37d_053311fc54a14e70acf1776a77794205.pdf
- https://static.usrfiles.com/ugd/c7ef1a_c43c35d264234fc8a530f57fe7305391.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_off00005ed7.bin251fe519131ffd4e7dce3eb9a488cb0ea278cd1c9c66cf09bddd8c511b5d7706 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5ED7 | 4992 bytes |
font_01_sfnt_off00006fed.bin8e0dc58ff1152c7f581f09ddb5d9ea2e88b001d000b9da62466852db8d1a31b1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6FED | 12240 bytes |
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