MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a critical heuristic firing for a malicious redirector link, pointing to 'ttraff.ru'. The document body also contains this URL, along with numerous other links hosted on Shopify, suggesting a link farm designed to obscure the true malicious destination. 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=partnership+agreement+document+pdf
- http://xunakiki.sevierband.com/uploads/1/3/2/8/132814930/cca20ee5ece7bea.pdf
- http://files.ocrportugallab.com/uploads/1/3/1/4/131453623/rutusuzewezasiv-kapawon.pdf
- http://files.loudounroadrunners.org/uploads/1/3/1/6/131637919/7904692.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/99231100330.pdf
- https://cdn.shopify.com/s/files/1/0435/6413/8651/files/fexijexet.pdf
- https://cdn.shopify.com/s/files/1/0431/4152/9762/files/gopig.pdf
- https://cdn.shopify.com/s/files/1/0434/3690/0504/files/5845776586.pdf
- https://cdn.shopify.com/s/files/1/0433/6333/6350/files/72593065385.pdf
- https://cdn.shopify.com/s/files/1/0440/5932/8662/files/item_id_stardew_valley.pdf
- https://cdn.shopify.com/s/files/1/0430/1471/7597/files/morejafi.pdf
- https://cdn.shopify.com/s/files/1/0431/7141/4173/files/40614803976.pdf
- https://cdn.shopify.com/s/files/1/0429/5750/4668/files/34392124480.pdf
- https://cdn.shopify.com/s/files/1/0438/6825/8469/files/74063996276.pdf
- https://cdn.shopify.com/s/files/1/0433/7192/1571/files/kiduletopobogedepulapofid.pdf
- https://cdn.shopify.com/s/files/1/0428/0349/5071/files/mavikevekunegavinidew.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_off00005f2e.bin20e6b61c143ed0c1ff52bdaad753d1100cb87c1d7aa39a3a1915570c1d6ac006 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5F2E | 5540 bytes |
font_01_sfnt_off000071df.bin69a3b11e3843ead16353841a347385af8bbed8926c277658b53fd2c928da1ff0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x71DF | 9940 bytes |
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