MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.002 Malicious Link
The PDF document contains a large number of external links, many of which point to benign content on Shopify. However, one critical link redirects to `https://ttraff.cc/wix?keyword=letter+c+worksheets+for+preschool+pdf`, which is identified as a malicious redirector. The ML classifier also strongly flagged this PDF as malicious. The document body, though partially corrupted, contains text related to 'letter c worksheets for preschool pdf', suggesting a lure to disguise the malicious redirection.
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/wix?keyword=letter+c+worksheets+for+preschool+pdf
- https://cdn.shopify.com/s/files/1/0437/1709/9675/files/rorubunavadubomiroput.pdf
- https://cdn.shopify.com/s/files/1/0431/4929/5776/files/jimexoweti.pdf
- https://cdn.shopify.com/s/files/1/0434/5580/7640/files/deneserulikivebojogomone.pdf
- https://static.usrfiles.com/ugd/b8c837_5ecd898ac8d74c389ba3a94c5d426505.pdf
- https://cdn.shopify.com/s/files/1/0428/7738/6918/files/89510170708.pdf
- https://cdn.shopify.com/s/files/1/0429/4112/0679/files/american_gods_episode_3_torrent.pdf
- https://cdn.shopify.com/s/files/1/0436/7355/1001/files/2s_complement_calculator.pdf
- https://cdn.shopify.com/s/files/1/0432/7620/6240/files/33365606103.pdf
- https://cdn.shopify.com/s/files/1/0436/8039/9510/files/rinupojalusixiziserawumow.pdf
- https://static.usrfiles.com/ugd/b8c837_7f476750cf7845febaeef278ee60f847.pdf
- https://static.usrfiles.com/ugd/a2e20a_e0a369940a9d44198c6681873e65fbda.pdf
- https://static.usrfiles.com/ugd/1479de_f1de20e0b8144e10be54286fbff19a33.pdf
- https://static.usrfiles.com/ugd/d78803_855ce6aca2c040a4a9cb467de1a1202d.pdf
- https://static.usrfiles.com/ugd/f515ca_6be5f1eb3eaa4e2cb1cd5e97ea66c2b3.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_off00006920.bin9e9eae534f47bf4b6627f0d5eebf6bf1a1c8535f4665d74860e352027993ea7c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6920 | 5132 bytes |
font_01_sfnt_off00007aad.bin4d7e32ea0fd98139ba98e28e8893b0b2bab63521fe1151ef62fbc1ae645b9617 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7AAD | 10780 bytes |
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