MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a significant number of embedded URLs, forming a link farm hosted on Shopify. One of these URLs, ttraff.ru, is identified as a known malicious redirector. This suggests a phishing or malicious redirection attempt, likely to lure users to malicious content or exploit kits. The ML classifier also strongly flagged this PDF as malicious.
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=general+prologue+to+the+canterbury+tales+study+questions+answers+pdf
- http://files.capiovo.com/uploads/1/3/1/6/131637606/4328609.pdf
- http://files.nicholascornell.com/uploads/1/3/1/0/131070152/fb8c1.pdf
- http://files.lynnegobioff.com/uploads/1/3/0/7/130738988/3759835.pdf
- http://files.lynnegobioff.com/uploads/1/3/0/
- https://cdn.shopify.com/s/files/1/0434/0878/5562/files/woraganuwibopari.pdf
- https://cdn.shopify.com/s/files/1/0439/0558/1211/files/66962367478.pdf
- https://cdn.shopify.com/s/files/1/0429/2929/1427/files/12323698350.pdf
- https://cdn.shopify.com/s/files/1/0435/2265/4362/files/17924455966.pdf
- https://cdn.shopify.com/s/files/1/0428/2574/4547/files/16412759492.pdf
- https://cdn.shopify.com/s/files/1/0438/2624/9885/files/fubitulogebovokodowes.pdf
- https://cdn.shopify.com/s/files/1/0431/0017/6544/files/kawafesikejaf.pdf
- https://cdn.shopify.com/s/files/1/0433/5845/3928/files/telewedajebinibotenej.pdf
- https://cdn.shopify.com/s/files/1/0427/4218/6150/files/guturabezizixulosenisi.pdf
- https://cdn.shopify.com/s/files/1/0428/6644/2406/files/77936672391.pdf
- https://cdn.shopify.com/s/files/1/0431/8055/6452/files/sosatilumumipizajakoje.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_off000072df.binfade73c4e3a0722888f4a33f86561d4f67ac45663e29543ea433ede40813e58c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x72DF | 5788 bytes |
font_01_sfnt_off00008693.binc96559124f2d1ed9b01e610e61a873d51b855b106d9782f7e3e5b53ef181d611 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8693 | 9956 bytes |
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