MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a mass of external links, many pointing to Shopify domains, but one critical link directs to a known malicious redirector. The document body, though heavily obfuscated, contains the URL 'https://ttraff.com/pify?keyword=finding+horizontal+asymptotes+worksheet', suggesting a lure to a malicious site disguised as a worksheet. The ML classifier strongly flagged this PDF as malicious, supporting the conclusion that it is designed to redirect users to harmful 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.com/pify?keyword=finding+horizontal+asymptotes+worksheet
- http://files.sebastianjamesfoundation.org/uploads/1/3/0/7/130739340/totibikaxisoru.pdf
- https://cdn.shopify.com/s/files/1/0436/1938/5502/files/business_vocabulary_in_use_advanced_2nd_edition.pdf
- https://cdn.shopify.com/s/files/1/0428/5654/6463/files/miwezafedekorisabaduzum.pdf
- https://cdn.shopify.com/s/files/1/0432/0755/7283/files/anova_table_explained.pdf
- https://cdn.shopify.com/s/files/1/0433/4934/4421/files/57490163151.pdf
- https://cdn.shopify.com/s/files/1/0432/9380/2646/files/58655993882.pdf
- https://cdn.shopify.com/s/files/1/0433/2129/5003/files/32907226586.pdf
- https://cdn.shopify.com/s/files/1/0428/2191/0687/files/collins_english_for_business_speaking.pdf
- https://cdn.shopify.com/s/files/1/0435/2252/3288/files/gufikulexoworatix.pdf
- https://cdn.shopify.com/s/files/1/0434/5082/6905/files/4574096956.pdf
- https://cdn.shopify.com/s/files/1/0431/3127/3370/files/abyssal_tentacle_gungeon.pdf
- https://cdn.shopify.com/s/files/1/0431/3333/7768/files/building_services_technology_and_design.pdf
- https://cdn.shopify.com/s/files/1/0437/5530/7159/files/limabemu.pdf
- https://cdn.shopify.com/s/files/1/0436/6493/3014/files/98649528236.pdf
- https://cdn.shopify.com/s/files/1/0427/5883/2294/files/john_deere_4300.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_off000052a1.bin9b2b11d1adcb5b9fe8f529164458638d70c47b58af6967e734ab979cf8e180d3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x52A1 | 5636 bytes |
font_01_sfnt_off000065be.bin5e87f83b84afcc77c8b4015d0c5cb929ce8a28b5967bc788181c33f8b74f500b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x65BE | 10136 bytes |
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