MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a malicious redirector link disguised as an educational resource. The ML classifier strongly indicated maliciousness, and the PDF structure includes a large number of external links, many pointing to Shopify domains, likely part of a link farm to improve SEO for malicious content. The primary malicious URL identified is https://ttraff.com/pify?keyword=algebra+2+logarithms+test+pdf.
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=algebra+2+logarithms+test+pdf
- http://files.oliviamarcellay.com/uploads/1/3/1/8/131856234/57185dc5c49d99.pdf
- http://files.assuredaquatics.com/uploads/1/3/2/6/132696210/vegaziru.pdf
- http://files.geyserlandcatclub.co.nz/uploads/1/3/1/4/131453034/gabiruremuzamef.pdf
- http://files.gravelgrinderchallenge.com/uploads/1/3/2/3/132303269/1acb93e43f97bdc.pdf
- http://files.gabrielfadale.com/uploads/1/3/1/3/131380000/zosusit-mewenureketowi-dejifavumifa.pdf
- https://cdn.shopify.com/s/files/1/0430/8307/1650/files/vuzoburavarobovaxaza.pdf
- https://cdn.shopify.com/s/files/1/0432/1165/3282/files/42888867469.pdf
- https://cdn.shopify.com/s/files/1/0435/5325/9679/files/1657353028.pdf
- https://cdn.shopify.com/s/files/1/0429/9954/6009/files/pvc_roof_insulation_sheets.pdf
- https://cdn.shopify.com/s/files/1/0434/3509/8264/files/wegerizuga.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/xodujanizovu.pdf
- https://cdn.shopify.com/s/files/1/0437/7188/7767/files/judapezowogid.pdf
- https://cdn.shopify.com/s/files/1/0438/4777/8469/files/vajijabebejowuwigoxumo.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_off000041b8.bincd0566e62e69e8190c6996c2d03705d7d43c30c052d4e6dd0d831c9f041592fd |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x41B8 | 5716 bytes |
font_01_sfnt_off000054fb.bin287c22e714a8271c3135015261bd00ee40e702cafe74641c015fc9c1d9ee897f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x54FB | 8976 bytes |
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