MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a large number of embedded links, many of which point to external PDF files hosted on Shopify, suggesting a link farm for SEO manipulation. One of the embedded links, https://ttraff.ru/pify?keyword=rs+feva+spinnaker+sheet+length, is identified as a known malicious redirector. The ML classifier also flagged this PDF with high confidence. No scripts were extracted, and the document body is largely unreadable binary data.
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=rs+feva+spinnaker+sheet+length
- http://files.boobsg.com/uploads/1/3/1/8/131857690/d95d5a.pdf
- http://goramo.winstonswisheducation.com/uploads/1/3/1/0/131070054/5104841b3.pdf
- http://nepisegoj.writingsfromjanmitchell.com/uploads/1/3/0/9/130969352/dovuzovajo.pdf
- http://files.skywatchdc.com/uploads/1/3/2/6/132682290/6424065.pdf
- https://cdn.shopify.com/s/files/1/0432/8256/3232/files/bukhari_sharif.pdf
- https://cdn.shopify.com/s/files/1/0427/7311/9143/files/ethical_hacking_tutorial_for_beginners.pdf
- https://cdn.shopify.com/s/files/1/0435/3848/1311/files/49570246950.pdf
- https://cdn.shopify.com/s/files/1/0429/2037/8524/files/beauty_and_the_beast_free.pdf
- https://cdn.shopify.com/s/files/1/0431/0263/4148/files/93315969660.pdf
- https://cdn.shopify.com/s/files/1/0430/5007/4269/files/vewuver.pdf
- https://cdn.shopify.com/s/files/1/0431/7508/4193/files/saserivebimozamakesilex.pdf
- https://cdn.shopify.com/s/files/1/0428/5959/3894/files/foputezemazenedadi.pdf
- https://cdn.shopify.com/s/files/1/0440/9776/5528/files/20835234022.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_off00004b6d.bin4adb4291e360c8e94a272df8e2fbcaf3afdb9a90b28ff27bb07c0cae9defae61 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4B6D | 5296 bytes |
font_01_sfnt_off00005d78.binfbb2dffa443076423dd2e8ececec4fad0d23de875c60eaecae2a323aa2f55c45 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5D78 | 14528 bytes |
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