MALICIOUS
150
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a large number of embedded links, many of which point to external resources, a technique often used for SEO spam or to redirect users to malicious sites. The primary malicious link identified is https://ttraff.ru/pify?keyword=oxford+basic+english+vocabulary+pdf, which is flagged as a known malicious redirector. The document body, though heavily obfuscated, contains references to the same URLs, reinforcing the attack pattern. No scripts were extracted from this sample.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 3
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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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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.ru/pify?keyword=oxford+basic+english+vocabulary+pdf
- http://files.littlemonkeyscafe.com.au/uploads/1/3/0/9/130969061/3519794.pdf
- http://luvuxepez.tri-lakeschurchofchristtx.com/uploads/1/3/0/8/130813420/c8e9e14.pdf
- http://files.juniemoonie.com/uploads/1/3/2/7/132740606/bugab.pdf
- http://files.mauiloagear.com/uploads/1/3/1/6/131637104/1619fc5.pdf
- https://cdn.shopify.com/s/files/1/0428/3265/8588/files/58338053223.pdf
- https://cdn.shopify.com/s/files/1/0435/8628/9832/files/zadirisum.pdf
- https://cdn.shopify.com/s/files/1/0433/7270/7990/files/13074482097.pdf
- https://cdn.shopify.com/s/files/1/0438/8411/8184/files/dosawatuzasumuzeke.pdf
- https://cdn.shopify.com/s/files/1/0434/7192/9496/files/67373233164.pdf
- https://cdn.shopify.com/s/files/1/0428/6133/0591/files/27221609139.pdf
- https://cdn.shopify.com/s/files/1/0440/5110/3894/files/roselyn_s_c3_a1nchez.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/gigogew.pdf
- https://cdn.shopify.com/s/files/1/0429/8627/4967/files/71553840342.pdf
- https://cdn.shopify.com/s/files/1/0433/9856/1957/files/return_to_the_source_amilcar_cabral.pdf
- https://cdn.shopify.com/s/files/1/0427/9592/5671/files/fufokokaf.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
stream_004_off00006957.binc1cfbb6943160aae198f7043b74e06a7025f83b926c3dc21c9ea2527efb00100 |
decompressed-pdf-stream | PDF FlateDecoded stream at offset 0x6957 | 13172 bytes |
font_00_sfnt_off0000558f.bin65dca8f2a04934e4579757dfa7a2fd9335fec275cf587dc8bc3d3f1454aab24d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x558F | 5816 bytes |
font_02_sfnt_off00008db6.binaa539d1b99dd1b1b9e9514b891a76ee149624752c8fe34580fa15b80b6a6de55 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8DB6 | 9920 bytes |
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