MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous embedded links, with one specifically pointing to a known malicious redirector. The document body, though heavily obfuscated, contains the target URL and references to other PDFs hosted on various domains, suggesting a link farm or SEO manipulation 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.ru/pify?keyword=kenmore+glasstop+stove
- http://files.playandlearninstruction.com/uploads/1/3/0/8/130813531/3033797.pdf
- http://files.brewtonfirst.org/uploads/1/3/0/9/130969435/kurinivafixunav-nuwoduve-lifowas-gopuv.pdf
- http://files.qualitypreparedmeals.ca/uploads/1/3/1/8/131871740/423839.pdf
- http://files.mywynfield.com/uploads/1/3/1/4/131453907/ede2ea4adde5a.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0431/3173/2132/files/xanirowemenovubalemaz.pdf
- https://cdn.shopify.com/s/files/1/0431/4189/0208/files/rerunajosami.pdf
- https://cdn.shopify.com/s/files/1/0428/8453/0343/files/malayalam_mallu_katha.pdf
- https://cdn.shopify.com/s/files/1/0437/0055/1830/files/20296948619.pdf
- https://cdn.shopify.com/s/files/1/0428/1607/7991/files/33113218210.pdf
- https://cdn.shopify.com/s/files/1/0432/3016/7202/files/57407558006.pdf
- https://cdn.shopify.com/s/files/1/0428/9980/0217/files/14658038712.pdf
- https://cdn.shopify.com/s/files/1/0430/8012/2532/files/pijadafe.pdf
- https://cdn.shopify.com/s/files/1/0431/8996/0865/files/dakituxasasire.pdf
- https://cdn.shopify.com/s/files/1/0438/3634/2434/files/kinekijedusirofudis.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_off0000484c.binc5810a59c9d09a9437b7b33cf889120698c6a47d32df06f9b194e731b41d4812 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x484C | 5168 bytes |
font_01_sfnt_off000059d8.bin6a0843680646f74de31c14df4a07ad89b46a874901a713953a0af96d0ead1c53 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x59D8 | 9440 bytes |
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