MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a large number of embedded links, many pointing to Shopify domains, but one critical link directs to a known malicious redirector. The document body text, though heavily obfuscated, contains references to 'Sublime text 2 serial' and 'wkhtmltopdf', suggesting a lure for software cracks or similar content. The primary malicious URL, https://ttraff.ru/pify?keyword=sublime+text+2+serial, is likely used to redirect the user to a malicious payload or phishing site.
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=sublime+text+2+serial
- http://files.ramelia-images.co.uk/uploads/1/3/1/4/131437953/9861279.pdf
- http://files.airliebeachlovelyindia.com/uploads/1/3/1/0/131069839/loxunujusexu-sapavimodus-xosunojutomazo.pdf
- http://files.rockiesparish.com/uploads/1/3/1/0/131070469/guzedifupoxiwuzagone.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0437/5229/2513/files/demubozuwowumo.pdf
- https://cdn.shopify.com/s/files/1/0429/8774/9525/files/26674478709.pdf
- https://cdn.shopify.com/s/files/1/0428/6060/9692/files/15367526412.pdf
- https://cdn.shopify.com/s/files/1/0432/9917/6612/files/6470371762.pdf
- https://cdn.shopify.com/s/files/1/0434/3077/2902/files/93781548931.pdf
- https://cdn.shopify.com/s/files/1/0430/6462/3265/files/86991018025.pdf
- https://cdn.shopify.com/s/files/1/0428/1604/5222/files/dufugoba.pdf
- https://cdn.shopify.com/s/files/1/0429/7375/7603/files/kulapemejuwevoku.pdf
- https://cdn.shopify.com/s/files/1/0431/3920/3221/files/sawabumejunolane.pdf
- https://cdn.shopify.com/s/files/1/0431/7508/4193/files/tesuropo.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/90840236881.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_off0000a74b.bin78d8120cfb00b04c99ea3a68c8bd017096c19613f24c6cb96e467c75652d3aeb |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA74B | 5276 bytes |
font_01_sfnt_off0000b91d.bind5944eb34d4c62bc473dd0408fef7aeceb7a6af6cd4bf2cb45c7ff5883ea575d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB91D | 15384 bytes |
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