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 of which point to Shopify domains hosting other PDFs, suggesting a link farm or SEO poisoning tactic. One critical heuristic identified a link to a known malicious redirector at 'ttraff.com'. The document body, though heavily corrupted, contains text related to 'algebra equations worksheets year 8' and the malicious URL, indicating a lure to disguise the malicious intent. The ML classifier strongly flagged this PDF as malicious.
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+equations+worksheets+year+8
- http://files.robertlpalmer.com/uploads/1/3/0/7/130776273/sorifugopenolux_jupaxedena.pdf
- http://files.jennderango.com/uploads/1/3/1/1/131164273/gozefesuranor-nokonulo.pdf
- https://cdn.shopify.com/s/files/1/0427/6961/2966/files/kefuraxewejefi.pdf
- https://cdn.shopify.com/s/files/1/0428/3337/9487/files/15155250515.pdf
- https://cdn.shopify.com/s/files/1/0430/1769/9477/files/fosaxunulilojulatezizukoz.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/poxusulijupidokubeb.pdf
- https://cdn.shopify.com/s/files/1/0429/9980/8149/files/wikepaju.pdf
- https://cdn.shopify.com/s/files/1/0429/6255/0940/files/nuzigopowiwoviz.pdf
- https://cdn.shopify.com/s/files/1/0440/3075/4966/files/tezolezubofofuzax.pdf
- https://cdn.shopify.com/s/files/1/0434/4119/3110/files/24675579995.pdf
- https://cdn.shopify.com/s/files/1/0431/2665/3090/files/73029717765.pdf
- https://cdn.shopify.com/s/files/1/0430/7343/7845/files/35247054681.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_off0000582d.bin06792c10dfb14ee32adc9ed1aba36e61f4150129ae1ddf889ea9d60075203abd |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x582D | 5656 bytes |
font_01_sfnt_off00006b76.bin918abfb90fae0cd5468dc30a026e9c8982d058ff1c694cbe74d140e29dc381d1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6B76 | 10176 bytes |
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