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 pointing to external PDFs, a common tactic for SEO poisoning and traffic redirection. One critical heuristic identified a link to known malicious redirector infrastructure at https://ttraff.ru/pify?keyword=calcium+oxalate+stone+diet+pdf. The document body, though heavily obfuscated, also contains this URL, suggesting the primary intent is to redirect the user to malicious content.
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=calcium+oxalate+stone+diet+pdf
- http://senofa.challenge2grow.be/uploads/1/3/1/6/131637016/vadesako.pdf
- http://tuforuxa.rersi.com/uploads/1/3/1/4/131406153/3398919.pdf
- http://files.artstudiobydesign722.com/uploads/1/3/1/3/131379183/luxoka_sidiwo_toxolajiwi.pdf
- http://files.mayflowerimporters.com/uploads/1/3/1/4/131453177/607d74f0136c34.pdf
- http://files.elsewherebecca.com/uploads/1/3/1/4/131437864/ff4942f1a1c613.pdf
- https://cdn.shopify.com/s/files/1/0435/6859/5112/files/vegevuzojok.pdf
- https://cdn.shopify.com/s/files/1/0437/6713/6413/files/buwuvepafo.pdf
- https://cdn.shopify.com/s/files/1/0431/1462/7234/files/ldc_ans_key.pdf
- https://cdn.shopify.com/s/files/1/0430/4296/3613/files/jopiselifirabolin.pdf
- https://cdn.shopify.com/s/files/1/0434/6036/2392/files/43432608865.pdf
- https://cdn.shopify.com/s/files/1/0431/2875/0241/files/understanding_and_using_english_grammar_betty.pdf
- https://cdn.shopify.com/s/files/1/0437/8558/4797/files/molozilejubezibufala.pdf
- https://cdn.shopify.com/s/files/1/0432/7351/9269/files/tigegejidefirisupezaximag.pdf
- https://cdn.shopify.com/s/files/1/0430/4673/1930/files/rilonubutosakezivana.pdf
- https://cdn.shopify.com/s/files/1/0434/5895/3369/files/17530375881.pdf
- https://cdn.shopify.com/s/files/1/0428/5195/8947/files/likagisagujezobagulegivuf.pdf
- https://cdn.shopify.com/s/files/1/0436/7053/6345/files/kupunitugopunufila.pdf
- https://cdn.shopify.com/s/files/1/0433/7480/5148/files/51197254624.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_off00009f9e.binecc0b4381b76e3cdad729ed976bc16e0cb72fe2e0445d415f3777b1f5232c45b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9F9E | 5180 bytes |
font_01_sfnt_off0000b132.bin422cc6cc613ba4bd8de2559fcc7e3a08aff9fa8ba7ac0eb3983da694869d8f49 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB132 | 10724 bytes |
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