MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a large number of embedded links, many of which point to Shopify domains hosting other PDFs, suggesting a link farm for SEO manipulation or to obscure malicious destinations. One critical heuristic identified a link to known malicious redirector infrastructure at `https://ttraff.cc/pify?keyword=brandenburg+concerto+2+sheet+music`. The document body, though heavily obfuscated, contains this same URL, indicating the primary intent is to redirect users to 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.cc/pify?keyword=brandenburg+concerto+2+sheet+music
- http://files.bluelanternstore.com/uploads/1/3/1/3/131398145/30d3a.pdf
- http://budad.besthairsaloninlisle.com/uploads/1/3/2/8/132814930/fepipafezutorefo.pdf
- http://sikabifiv.tdcwebstercity.com/uploads/1/3/2/3/132303072/1638387.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0431/2639/0946/files/vezekojelipaxuded.pdf
- https://cdn.shopify.com/s/files/1/0464/6889/0782/files/43143342302.pdf
- https://cdn.shopify.com/s/files/1/0434/4433/8854/files/demibigenidibalimizulejes.pdf
- https://cdn.shopify.com/s/files/1/0432/9160/7190/files/wuremabe.pdf
- https://cdn.shopify.com/s/files/1/0431/0463/2992/files/45231073252.pdf
- https://cdn.shopify.com/s/files/1/0431/5113/0785/files/45977848875.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/mapiguwidekedod.pdf
- https://cdn.shopify.com/s/files/1/0434/1678/0956/files/16059213024.pdf
- https://cdn.shopify.com/s/files/1/0431/9415/5170/files/verizon_rebate_form.pdf
- https://cdn.shopify.com/s/files/1/0440/5103/8358/files/noxajipomuxupeja.pdf
- https://cdn.shopify.com/s/files/1/0434/0944/0917/files/download_essential_physics_textbook_for_secondary_school.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_off00004cb2.bin91439f87eae077c23f945f92b41e54ad4f4f61fa2b7e929c755ac52af7d875a9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4CB2 | 5644 bytes |
font_01_sfnt_off00005faa.bine4c9c6c3633451c13ab721154f8f5a12a1bbb3ea871c531bba8e79334bcac552 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5FAA | 10832 bytes |
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