MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains embedded links that point to a malicious redirector, identified by the 'PDF_MALICIOUS_REDIRECTOR_LINK' heuristic. The document body, though heavily obfuscated, contains text related to 'mathematics formative assessment' and a URL that appears to be a lure. The ML classifier strongly flagged this PDF as malicious. The primary IOC is the redirector URL, which is likely used to funnel victims to further malicious content.
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=mathematics+formative+assessment+75+practical+strategies+pdf
- http://files.indianabetasigmaphi.com/uploads/1/3/1/4/131452880/5b247.pdf
- http://files.kreationsbykarenjewels.com/uploads/1/3/2/7/132740978/benufijiputegevudut.pdf
- http://files.counseling-csj.org/uploads/1/3/2/6/132695360/vewaruja.pdf
- http://files.colleencomerford.com/uploads/1/3/1/0/131070845/mivoferanitufag.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/41758367329.pdf
- https://cdn.shopify.com/s/files/1/0430/6799/8362/files/nuvuzulilat.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/60868594071.pdf
- https://cdn.shopify.com/s/files/1/0434/4968/0028/files/49785536604.pdf
- https://cdn.shopify.com/s/files/1/0434/3886/6584/files/77597072762.pdf
- https://cdn.shopify.com/s/files/1/0430/7304/4642/files/xozufufisagilafugo.pdf
- https://cdn.shopify.com/s/files/1/0440/2629/8533/files/impossible_quiz_4.pdf
- https://cdn.shopify.com/s/files/1/0429/3191/2857/files/72105848068.pdf
- https://cdn.shopify.com/s/files/1/0429/3227/3319/files/22631479.pdf
- https://cdn.shopify.com/s/files/1/0437/5071/9642/files/42787590684.pdf
- https://cdn.shopify.com/s/files/1/0431/7020/1760/files/wugonopog.pdf
- https://cdn.shopify.com/s/files/1/0430/6308/3170/files/botokevuraxivimixe.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_off00007581.bin317667754378d35fd2825dc11aabe9f588d561d5d9421807eaf8d1121e5a88ba |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7581 | 5840 bytes |
font_01_sfnt_off0000895b.bin275d1f5842541cad825f3911a604451327f5afa31f21a04c9f2c5f0863bb3cfc |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x895B | 10604 bytes |
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