MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.001 PowerShell
The PDF file contains a significant number of embedded URLs, many of which point to external PDF files hosted on Shopify. One URL, 'https://ttraff.cc/pify?keyword=advantages+and+disadvantages+of+non+probability+sampling+techniques+pdf', is flagged as a malicious redirector. The heuristic 'PDF_SEO_LINK_FARM' indicates a mass external PDF link farm, suggesting a potential SEO manipulation or content distribution scheme. The ML classifier also flagged this PDF as malicious with high confidence.
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.cc/pify?keyword=advantages+and+disadvantages+of+non+probability+sampling+techniques+pdf
- http://files.scboa.net/uploads/1/3/0/8/130813846/jimefuloxazib-vetixowe-sogoxuv.pdf
- http://files.themakeupartist.co.nz/uploads/1/3/0/8/130874361/wizaj_zidonax_fuvubibi_goloteja.pdf
- http://files.wenzhaodesign.com/uploads/1/3/2/6/132696598/85e1fbb5cb0.pdf
- http://files.ekcellrepair.com/uploads/1/3/0/7/130775126/5517154.pdf
- http://files.alexismahdavi.com/uploads/1/3/1/3/131380008/5d82e573.pdf
- http://files.ekcellrepair.com/uplo
- https://cdn.shopify.com/s/files/1/0435/3120/6808/files/51216505668.pdf
- https://cdn.shopify.com/s/files/1/0431/7764/0093/files/21390946668.pdf
- https://cdn.shopify.com/s/files/1/0435/1708/3802/files/rarakekutunuwalisanevis.pdf
- https://cdn.shopify.com/s/files/1/0428/6644/2406/files/77936672391.pdf
- https://cdn.shopify.com/s/files/1/0431/4615/0039/files/86190474021.pdf
- https://cdn.shopify.com/s/files/1/0430/8959/2473/files/52614849584.pdf
- https://cdn.shopify.com/s/files/1/0429/8450/5498/files/tukamovewipaberasitunewef.pdf
- https://cdn.shopify.com/s/files/1/0431/6971/0242/files/97755891062.pdf
- https://cdn.shopify.com/s/files/1/0435/3690/8439/files/moresozamukidefinok.pdf
- https://cdn.shopify.com/s/files/1/0429/8014/7359/files/27599647826.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_off00007825.bindf1553faf150f9b05af8dc50b4a0d031bffa04db17e84a12e03dfe506be57156 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7825 | 5868 bytes |
font_01_sfnt_off00008bf8.bin33acdcac5ecb2508bf46fce918545fff4859b5b3b683fb1e7be79be5739e11a1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8BF8 | 10452 bytes |
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