MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a large number of embedded links, many pointing to Shopify domains, but one critical link directs to a known malicious redirector. The document body, though heavily obfuscated, contains the URL that is also present in the malicious redirector link, suggesting a lure to download further content. The ML classifier 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=reasoning+ability+questions+and+answers+for+bank+exams+pdf
- http://files.noelcustoms.shop/uploads/1/3/2/6/132683063/tudegave.pdf
- http://files.lakepointetower.com/uploads/1/3/0/8/130874647/togefi-tawisidobe-wifijipiduz-pedaburuluzad.pdf
- http://files.swesdsu.org/uploads/1/3/0/7/130775825/5315908.pdf
- http://files.gracechurchyantic.org/uploads/1/3/1/0/131070518/fopoguvugewube.pdf
- https://cdn.shopify.com/s/files/1/0432/0457/5387/files/vujetolujup.pdf
- https://cdn.shopify.com/s/files/1/0429/9508/9559/files/88605566899.pdf
- https://cdn.shopify.com/s/files/1/0429/8165/4679/files/fazoxaradakamugejete.pdf
- https://cdn.shopify.com/s/files/1/0428/1620/9059/files/dapipufonevemuweva.pdf
- https://cdn.shopify.com/s/files/1/0428/9373/8143/files/atmega328_programming.pdf
- https://cdn.shopify.com/s/files/1/0429/7854/1722/files/daxusobafibinowuno.pdf
- https://cdn.shopify.com/s/files/1/0431/7777/1162/files/34746290751.pdf
- https://cdn.shopify.com/s/files/1/0438/2903/5158/files/fabidasosofajilo.pdf
- https://cdn.shopify.com/s/files/1/0440/0391/7974/files/crack_ielts_in_a_flash_letter_writing.pdf
- https://cdn.shopify.com/s/files/1/0440/0958/6846/files/takunij.pdf
- https://cdn.shopify.com/s/files/1/0431/9795/6256/files/binozexibowafalutog.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_off000087bf.bin620fa412b84de997cef20fdca4d13c2eccbc30a7d722c87cee600ea28158d883 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x87BF | 5960 bytes |
font_01_sfnt_off00009c09.bin35d71a8407f262ff60bfcc3311fda95e3bb0a13fd94fd383d8474071fd936c10 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9C09 | 10724 bytes |
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