MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a link that redirects to malicious infrastructure, as indicated by the PDF_MALICIOUS_REDIRECTOR_LINK heuristic. The document body also contains the same URL, suggesting a lure to download a PDF. The ML classifier strongly flagged this PDF as malicious, supporting the assessment of a malicious redirector.
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/wix?keyword=mechanics+of+materials+9th+edition+pdf+download
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0430/4420/8797/files/47361705497.pdf
- https://cdn.shopify.com/s/files/1/0430/7940/1634/files/monster_manual_3._5.pdf
- https://cdn.shopify.com/s/files/1/0434/8595/4198/files/49442358401.pdf
- https://cdn.shopify.com/s/files/1/0431/5453/8656/files/singleton_design_pattern_android.pdf
- https://cdn.shopify.com/s/files/1/0429/9338/5633/files/53900965183.pdf
- https://cdn.shopify.com/s/files/1/0428/8489/0790/files/58096078979.pdf
- https://static.usrfiles.com/ugd/7f46b5_797fcbd632f640caab386cdc966c30b4.pdf
- https://static.usrfiles.com/ugd/9c43ec_614331f8089d44a78c146f7240f85800.pdf
- https://static.usrfiles.com/ugd/2f3ac6_912d6257333c41e29f4d0577317d636a.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/gevuruliwineda.pdf
- https://cdn.shopify.com/s/files/1/0431/5149/1233/files/pebumu.pdf
- https://cdn.shopify.com/s/files/1/0431/5358/8390/files/8356145599.pdf
- https://cdn.shopify.com/s/files/1/0432/8423/4396/files/tipo_de_estudio_descriptivo_cuantitativo.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_off00006163.binc25b5be1501ad0b34896badc99942720c22735f82c9667fdaabfe28dd712ab07 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6163 | 5648 bytes |
font_01_sfnt_off00007479.bin76b96f48aacfaf21d5fae7f659599309a74f9ee067a76952c2a799b89c1fbb8b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7479 | 9740 bytes |
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