MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a link to a known malicious redirector, ttraff.com, which is designed to lead users to further malicious content. The document body, though heavily obfuscated, contains text related to a periodic table and the malicious URL, suggesting a lure. The PDF also contains a large number of embedded links to Shopify domains, many of which are flagged as benign, but the primary malicious link is clear. 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.com/pify?keyword=periodic+table+of+elements+flashcards+printable+pdf
- http://ziledud.dharriganassociates.com/uploads/1/3/2/7/132740541/tojebiluz.pdf
- http://files.mywaterfrontteam.com/uploads/1/3/2/7/132711954/gogekepori.pdf
- http://wowuvo.nexustherapies.ch/uploads/1/3/1/3/131383483/dosuzogofojov-vakulif.pdf
- https://cdn.shopify.com/s/files/1/0433/0812/2270/files/gukisixasaxaz.pdf
- https://cdn.shopify.com/s/files/1/0434/5180/9957/files/nejizo.pdf
- https://cdn.shopify.com/s/files/1/0431/8402/9854/files/83612890845.pdf
- https://cdn.shopify.com/s/files/1/0431/2717/7380/files/kriss_kross_jump_lyrics.pdf
- https://cdn.shopify.com/s/files/1/0433/8620/8406/files/7272524765.pdf
- https://cdn.shopify.com/s/files/1/0429/9292/6873/files/15242254150.pdf
- https://cdn.shopify.com/s/files/1/0433/7798/3653/files/88860168026.pdf
- https://cdn.shopify.com/s/files/1/0431/2668/5858/files/56123189787.pdf
- https://cdn.shopify.com/s/files/1/0431/8609/4248/files/casting_defect_and_remedies.pdf
- https://cdn.shopify.com/s/files/1/0433/0805/6740/files/72389023117.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_off000056b8.bin89734e9bdc6b8b20a7dde95a16927492765ee70f4b85463ef199dd56fced4575 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x56B8 | 5536 bytes |
font_01_sfnt_off0000694f.bin1df9bc991a6655fe2acf77848064f67bec0312d7c2d7fcb199433645472c12a6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x694F | 10104 bytes |
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