MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded links, with one identified as a malicious redirector. The document body, though heavily obfuscated, contains the URL https://ttraff.ru/pify?keyword=kobra+red+dot, which is flagged as malicious. The presence of a link farm suggests an attempt to manipulate search engine results or distribute malicious content.
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=kobra+red+dot
- http://files.imarihardon.com/uploads/1/3/1/4/131406274/6d1d3fcd243.pdf
- http://files.tastytemptationsllc.com/uploads/1/3/2/6/132680994/1304423.pdf
- http://files.jurneyvetneuro.com/uploads/1/3/1/3/131383838/vifiwagiz_disesodubux.pdf
- http://files.normansglutenfree.com.au/uploads/1/3/0/7/130738974/xonunow.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0431/6001/0906/files/sotekajezotudilitupam.pdf
- https://cdn.shopify.com/s/files/1/0428/6221/5324/files/gijumuxevuw.pdf
- https://cdn.shopify.com/s/files/1/0433/6032/1691/files/4609498443.pdf
- https://cdn.shopify.com/s/files/1/0438/8411/8184/files/fasume.pdf
- https://cdn.shopify.com/s/files/1/0432/6375/4404/files/9496959279.pdf
- https://cdn.shopify.com/s/files/1/0430/9729/2949/files/lavizawarad.pdf
- https://cdn.shopify.com/s/files/1/0433/4410/1544/files/38285209724.pdf
- https://cdn.shopify.com/s/files/1/0437/5108/0090/files/gorozeburolurifex.pdf
- https://cdn.shopify.com/s/files/1/0434/1969/7308/files/77999284663.pdf
- https://cdn.shopify.com/s/files/1/0432/1358/6600/files/nifotomubali.pdf
- https://cdn.shopify.com/s/files/1/0430/8680/7201/files/genesijejazul.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_off000062fa.bin38e4d816d88f183a8e3356bbe104f907eca2b72eb9c69d89c18fa6dd6bcd1be9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x62FA | 4720 bytes |
font_01_sfnt_off00007310.bin3ecf0b7b2e809f0ab55b32570906cc50b32791d1e9df3f103b6a8b314a1c4e46 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7310 | 10248 bytes |
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