MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a link that redirects to a known malicious domain, identified by the PDF_MALICIOUS_REDIRECTOR_LINK heuristic. The document body, though heavily obfuscated, contains text suggesting a lure for 'leaves coloring worksheet answers'. The PDF also hosts a large number of external links, many pointing to Shopify, which is indicative of a link farm or SEO manipulation tactic. 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/wix?keyword=leaves+coloring+worksheet+answers
- https://cdn.shopify.com/s/files/1/0432/4684/6107/files/78064589704.pdf
- https://cdn.shopify.com/s/files/1/0434/7461/6472/files/south_movie_2018_list.pdf
- https://cdn.shopify.com/s/files/1/0432/0133/1360/files/pdf_reader_and_annotator_android.pdf
- https://cdn.shopify.com/s/files/1/0443/3536/6300/files/chapter_3_lord_of_the_flies.pdf
- https://cdn.shopify.com/s/files/1/0435/0440/2584/files/43240898287.pdf
- https://cdn.shopify.com/s/files/1/0437/6264/7192/files/vuridavaxuza.pdf
- https://cdn.shopify.com/s/files/1/0428/4920/6439/files/concrete_batching_plant_layout.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/bibekejufalakudogaloseja.pdf
- https://static.usrfiles.com/ugd/97634b_3f7ea7681691408ba685a045bf3377ff.pdf
- https://static.usrfiles.com/ugd/934fc3_60c1a333ee8e431991b2de259b8cf3f7.pdf
- https://static.usrfiles.com/ugd/136d07_46e6fab99f5f451d87161054b8c411db.pdf
- https://static.usrfiles.com/ugd/409ca8_18d9ca0a22754666b017855716b18425.pdf
- https://static.usrfiles.com/ugd/b8c837_fbcd355dca4b453e893ae47c2ec72677.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_off0000791d.binee0730965b77144fcb3560f5c9c11e955028ec800c54cf0bb97db200bdc1481b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x791D | 5220 bytes |
font_01_sfnt_off00008aed.bina6079534013ba80cbbd2add4d0e31a665c105398871f575fc13114058a12443b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8AED | 10472 bytes |
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