MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains embedded links, one of which, https://ttraff.club/wix?keyword=avant+browser+linux, is identified as a malicious redirector. The document body, though heavily obfuscated, contains references to 'Avant browser linux' and a large number of PDF links, suggesting a link farm or SEO poisoning tactic. The ML classifier also strongly indicated maliciousness.
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.club/wix?keyword=avant+browser+linux
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0437/8876/3298/files/fozifuwa.pdf
- https://cdn.shopify.com/s/files/1/0457/3295/4278/files/72156978182.pdf
- https://cdn.shopify.com/s/files/1/0460/3346/9604/files/browser_web_opera_mini_beta.pdf
- https://cdn.shopify.com/s/files/1/0434/2641/4749/files/gupuwozidodagusowas.pdf
- https://cdn.shopify.com/s/files/1/0430/5063/1319/files/foduso.pdf
- https://cdn.shopify.com/s/files/1/0434/7795/8816/files/48826323636.pdf
- https://cdn.shopify.com/s/files/1/0431/8802/7543/files/7547996224.pdf
- https://cdn.shopify.com/s/files/1/0434/6642/4486/files/tevugefab.pdf
- https://cdn.shopify.com/s/files/1/0437/4007/0042/files/vuperupuxapuwuterefununuk.pdf
- https://cdn.shopify.com/s/files/1/0437/6579/2929/files/jokatikajiponetaw.pdf
- https://cdn.shopify.com/s/files/1/0433/5822/4549/files/big_sean_no_more_interviews_instrume.pdf
- https://cdn.shopify.com/s/files/1/0432/3698/2944/files/gosol.pdf
- https://cdn.shopify.com/s/files/1/0433/6150/1336/files/2272626365.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_off00005dd6.binb8d726e71409abc0a2494c63f00584b56ceed4ee70fcd0fca89e676f60830845 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5DD6 | 5028 bytes |
font_01_sfnt_off00006f16.bin3de1cd2fcc1ee5b40557dab222c975f0500c5b2783de38de00e294d0805cb237 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6F16 | 14312 bytes |
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