MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.002 Malicious Link
The PDF contains a critical heuristic firing for a malicious redirector link pointing to 'ttraff.com'. Additionally, it exhibits characteristics of a PDF link farm, embedding numerous external PDF links, many hosted on Shopify. The document body, though heavily obfuscated, contains the primary malicious URL and appears to be a lure related to 'flat shapes worksheet for grade 3'. The ML classifier strongly supports the malicious nature of this PDF.
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=flat+shapes+worksheet+for+grade+3
- http://fipome.blakeleylegal.com/uploads/1/3/1/4/131437121/1bcfa030644e.pdf
- https://cdn.shopify.com/s/files/1/0436/7518/9401/files/bopuzakaluvesugopeboxo.pdf
- https://cdn.shopify.com/s/files/1/0432/0873/6927/files/jebesasedijuzurelotovam.pdf
- https://cdn.shopify.com/s/files/1/0428/9291/8937/files/tutuapp_pokemon_go_ios_guide.pdf
- https://cdn.shopify.com/s/files/1/0434/4312/6438/files/strengths_deployment_inventory.pdf
- https://cdn.shopify.com/s/files/1/0437/4459/2021/files/bremer_stadtmusikanten_text.pdf
- https://cdn.shopify.com/s/files/1/0434/8418/4728/files/fevepexemaninidunewobuwix.pdf
- https://cdn.shopify.com/s/files/1/0430/8303/8874/files/bitimupu.pdf
- https://cdn.shopify.com/s/files/1/0432/2764/4072/files/77154301007.pdf
- https://cdn.shopify.com/s/files/1/0431/7013/6218/files/nergies_renouvelables_maroc.pdf
- https://cdn.shopify.com/s/files/1/0439/8071/8238/files/19742041760.pdf
- https://cdn.shopify.com/s/files/1/0429/1880/5657/files/jegosutepexaludu.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_off0000661d.bin3aed950d5a674d4071157e00f90bd1f95365ac8b43813d55a4263059a64a6ad5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x661D | 5580 bytes |
font_01_sfnt_off00007929.bin02864df0bf1e43bfcb572f1c345b64b249b00bad9efc70a0c16a39a81450e535 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7929 | 10036 bytes |
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