MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a critical heuristic firing for a malicious redirector link pointing to 'ttraff.com'. The document body, though heavily obfuscated, also contains this URL, suggesting a lure to a malicious site. The presence of numerous other PDF links, many hosted on Shopify, indicates a link farm strategy. The ML classifier also 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=adding+and+subtracting+algebraic+fractions+worksheet+pdf
- http://files.cookwithrayla.com/uploads/1/3/0/8/130874526/2635210.pdf
- http://vutezala.caymanchoirandorchestra.com/uploads/1/3/2/6/132683097/rabotutelutazurobas.pdf
- https://cdn.shopify.com/s/files/1/0431/0168/3873/files/56577228552.pdf
- https://cdn.shopify.com/s/files/1/0432/2122/1533/files/pijubilobanodevap.pdf
- https://cdn.shopify.com/s/files/1/0437/0386/1401/files/65665613394.pdf
- https://cdn.shopify.com/s/files/1/0437/7201/8845/files/korg_triton_vst.pdf
- https://cdn.shopify.com/s/files/1/0435/3140/3413/files/alcoro_portugues.pdf
- https://cdn.shopify.com/s/files/1/0434/4276/5976/files/pugivasuroniganuxolomebif.pdf
- https://cdn.shopify.com/s/files/1/0430/0531/3177/files/tonixeselutagumaxara.pdf
- https://cdn.shopify.com/s/files/1/0433/4754/2175/files/51610329756.pdf
- https://cdn.shopify.com/s/files/1/0431/4460/9943/files/sobufa.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000040ca.bin860c47f098a97bdd9e8607926abbbf3488ea60ab3ef954eb4101e74a45e5564e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x40CA | 5584 bytes |
font_01_sfnt_off000053c2.bin04be3aab54e2cae00ee47e6bb86765b4708f47d4b699634986878a6888cd1f16 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x53C2 | 9744 bytes |
font_02_sfnt_off00007478.bincd94ef65598b1866d0653cdd88243d989fd81359c0e770c2d3a4858f1c2f6d34 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7478 | 4324 bytes |
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