MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF file contains a link farm with 16 external PDF links, many hosted on cdn.shopify.com, designed to appear as legitimate book downloads. One of the primary links, 'https://ttraff.ru/pify?keyword=anesthesia+technician+book+pdf', is flagged as a malicious redirector. The ML classifier strongly indicates maliciousness, and the PDF structure suggests an attempt to obscure its true nature.
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=anesthesia+technician+book+pdf
- http://files.jeffersonchoralsociety.org/uploads/1/3/1/4/131453715/davuxis.pdf
- http://files.jwcyclerepaircentre.com/uploads/1/3/0/8/130813859/1186289.pdf
- http://files.selangormodest.com/uploads/1/3/1/0/131070866/0f5c6531b.pdf
- http://files.jerryshardwarema.com/uploads/1/3/0/8/130813095/8644157.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/mefiwi.pdf
- https://cdn.shopify.com/s/files/1/0433/5792/9621/files/fasigopudixunomavexage.pdf
- https://cdn.shopify.com/s/files/1/0430/2045/1997/files/71846246131.pdf
- https://cdn.shopify.com/s/files/1/0430/4198/0567/files/46097689459.pdf
- https://cdn.shopify.com/s/files/1/0430/2811/9706/files/29573867752.pdf
- https://cdn.shopify.com/s/files/1/0429/2725/9811/files/68620290627.pdf
- https://cdn.shopify.com/s/files/1/0430/8110/5562/files/97289118652.pdf
- https://cdn.shopify.com/s/files/1/0433/2791/4152/files/88964497118.pdf
- https://cdn.shopify.com/s/files/1/0434/1320/9246/files/56135969013.pdf
- https://cdn.shopify.com/s/files/1/0431/6410/6901/files/11907773862.pdf
- https://cdn.shopify.com/s/files/1/0433/7542/7735/files/mafusadoxaxulas.pdf
- https://cdn.shopify.com/s/files/1/0430/7881/1797/files/97327559810.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_off00007465.bin08f43b1374372875c86be58aacd6877a57782fc2d397b45db4da4e3aa61048bd |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7465 | 5096 bytes |
font_01_sfnt_off000085a1.binb54d2a708d858f8cdbbca19cfe91461eb4ce92180adcc70d6f2a5c65c3de5dcf |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x85A1 | 10168 bytes |
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