MALICIOUS
152
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains numerous embedded URLs, with a critical heuristic firing indicating a link to known malicious redirector infrastructure. Another critical heuristic identifies a PDF link farm, suggesting SEO manipulation or a lure for users. The ML classifier also flagged this PDF as malicious with high confidence. No scripts were extracted, limiting the analysis of direct execution capabilities.
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/wb?keyword=didier%20stevens%20pdf%20tools
- http://files.messinger-systems.com/uploads/1/3/1/3/131380337/8702632.pdf
- http://files.classiccutssd.com/uploads/1/3/0/7/130775107/50bfd155178eeda.pdf
- http://files.mrscooksbayhighscienceclass.com/uploads/1/3/1/3/131384771/jejolibavosurejir.pdf
- https://cdn.shopify.com/s/files/1/0431/4506/8699/files/50327813813.pdf
- https://cdn.shopify.com/s/files/1/0431/4451/1645/files/gadufupin.pdf
- https://cdn.shopify.com/s/files/1/0430/4168/5665/files/saripe.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/kevaziretojigadogikoranab.pdf
- https://cdn.shopify.com/s/files/1/0428/5281/0911/files/95794299160.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/54313135065.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/kubogofire.pdf
- https://cdn.shopify.com/s/files/1/0432/7083/2283/files/medexibakefapabiduza.pdf
- https://cdn.shopify.com/s/files/1/0431/7901/6360/files/50740755287.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/99324429390.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/
- https://cdn.shopify.com/s/files/1/0428/5281/0911/files/95794299160.pd
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006f70.binc0c44b2ba44d71cc5600992829247a2ed988758f459f99151c6df4859ea5ed9d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6F70 | 4672 bytes |
font_01_sfnt_off00007f5d.bina36eee06fef6ce219692c4ec918276ac99413e4fd1e3666e4031624f9289d620 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7F5D | 1800 bytes |
font_02_sfnt_off000087ea.bin113bee5a919f6df66e65182e4a1f845e3d863f8afd34599e04b3af959814f43d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x87EA | 10540 bytes |
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