MALICIOUS
152
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 PDFs hosted on Shopify. One of these links, disguised as a search result for 'Battle of Gettysburg map pdf', redirects to a known malicious infrastructure at 'ttraff.ru'. The ML classifier also strongly indicated maliciousness. The primary attack vector appears to be luring the user to click on the malicious link.
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=battle+of+gettysburg+map+pdf
- http://gevur.lukeolson.com/uploads/1/3/1/6/131606505/0a86f2d345a8.pdf
- http://puwuzine.wilsonhypnotherapy.com/uploads/1/3/2/6/132681834/246007.pdf
- http://files.smallcoffee.ca/uploads/1/3/1/4/131483002/lexomox_luvifewusedev_jusajufav_wemusoxoroxewum.pdf
- http://leporil.strikeposes.com/uploads/1/3/2/6/132681352/487074619713.pdf
- http://vapako.interlochenchamber.org/uploads/1/3/1/3/131384244/sususu.pdf
- https://cdn.shopify.com/s/files/1/0435/5093/3155/files/61775225716.pdf
- https://cdn.shopify.com/s/files/1/0431/5525/9560/files/newewuxokiz.pdf
- https://cdn.shopify.com/s/files/1/0431/0997/4169/files/calendrier_novembre_2020.pdf
- https://cdn.shopify.com/s/files/1/0428/4379/9719/files/xotiwemosidesexiz.pdf
- https://cdn.shopify.com/s/files/1/0434/5479/1832/files/94581853586.pdf
- https://cdn.shopify.com/s/files/1/0437/1762/3959/files/lufamazo.pdf
- https://cdn.shopify.com/s/files/1/0433/3400/8987/files/big_data_architecture.pdf
- https://cdn.shopify.com/s/files/1/0429/0789/3919/files/39809260946.pdf
- https://cdn.shopify.com/s/files/1/0437/6972/5080/files/74608363892.pdf
- https://cdn.shopify.com/s/files/1/0431/8022/8757/files/list_of_biotechnology_products.pdf
- https://cdn.shopify.com/s/files/1/0428/3239/6447/files/tufts_mc_webmail.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_off00018e0a.bin688440a98c4da9a2fcc237ae9d6c7ff9442ff035aa770ddc1afb8d529634c3b1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x18E0A | 5652 bytes |
font_01_sfnt_off0001a137.bina064bec77a85a63f63ad16ca5fabe7dc4e873aa26ab2de715247780dd678a26e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1A137 | 15924 bytes |
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