MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous embedded links, many pointing to a link farm designed to distribute malicious content. One prominent URL, 'https://ttraff.ru/pify?keyword=lower+case+letter+r+coloring+sheet', is flagged as a malicious redirector. The document body, though heavily obfuscated, contains this URL and other links, suggesting a lure to a malicious site. The ML classifier also strongly indicated maliciousness.
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.ru/pify?keyword=lower+case+letter+r+coloring+sheet
- http://modid.catherinecarterpainting.com/uploads/1/3/2/6/132681946/9798616.pdf
- http://files.personallifewellness.com/uploads/1/3/1/3/131380063/7172802.pdf
- http://files.bargeadhesive.com/uploads/1/3/0/7/130775953/b3272ac2b408.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0437/5638/8510/files/tuwinuze.pdf
- https://cdn.shopify.com/s/files/1/0430/7078/3645/files/gosonope.pdf
- https://cdn.shopify.com/s/files/1/0435/3431/9776/files/84108976618.pdf
- https://cdn.shopify.com/s/files/1/0430/2559/6573/files/nanobexar.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/37263727017.pdf
- https://cdn.shopify.com/s/files/1/0431/9100/9442/files/xawekuxexu.pdf
- https://cdn.shopify.com/s/files/1/0454/6088/1560/files/mifemeburo.pdf
- https://cdn.shopify.com/s/files/1/0428/8249/8716/files/kamoxud.pdf
- https://cdn.shopify.com/s/files/1/0437/6746/4085/files/92136797083.pdf
- https://cdn.shopify.com/s/files/1/0431/7950/7875/files/62256579962.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/
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00005485.bin2f6ee4ef73d35b8e6307d6a7b3c184f6607c3973892d356a7ee4867da3fae28e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5485 | 5096 bytes |
font_01_sfnt_off000065e2.binf61d7a79fa1f726fcedea6e03ef67b1ab94591781bd62c236b459f2025db7301 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x65E2 | 9900 bytes |
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