MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF contains a link that redirects to a malicious domain, identified by the PDF_MALICIOUS_REDIRECTOR_LINK heuristic. The document body, though heavily obfuscated, contains text suggesting it is a lure for a bookmark template. The PDF also hosts a large number of external links, many pointing to Shopify, which is indicative of a link farm for SEO manipulation, likely to obscure the malicious redirector. The ML classifier 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/wix?keyword=avery+bookmark+template+word
- https://cdn.shopify.com/s/files/1/0431/6856/3355/files/golasabigizejusudavijitu.pdf
- https://cdn.shopify.com/s/files/1/0430/7012/8277/files/19252707489.pdf
- https://cdn.shopify.com/s/files/1/0456/8422/8255/files/churchill_show_2017.pdf
- https://cdn.shopify.com/s/files/1/0432/3999/7595/files/255383059.pdf
- https://cdn.shopify.com/s/files/1/0433/5540/6494/files/71246438595.pdf
- https://static.usrfiles.com/ugd/b28561_9e2796619f5b401192430fdfca74bb20.pdf
- https://static.usrfiles.com/ugd/a44510_8b57f64c389047198838baf402be40e1.pdf
- https://static.usrfiles.com/ugd/b8c837_9083d8142d3d4032a29129d32455429d.pdf
- https://static.usrfiles.com/ugd/b8c837_b88d3958e0544203acd54e37eeedbea4.pdf
- https://static.usrfiles.com/ugd/8e66a5_e229b5d3d89548a99c91491fef15a0bb.pdf
- https://static.usrfiles.com/ugd/b8c837_a0bf76ed2e9d4340941d420442a5ad67.pdf
- https://cdn.shopify.com/s/files/1/0438/8470/7992/files/comite_du_gard_petanque.pdf
- https://cdn.shopify.com/s/files/1/0434/0128/1701/files/hair_colour_change_app.pdf
- https://cdn.shopify.com/s/files/1/0435/3880/8991/files/solowukogepofulenowosu.pdf
- https://cdn.shopify.com/s/files/1/0433/2270/4030/files/82562299487.pdf
- https://cdn.shopify.com/s/files/1/0439/3045/2123/files/kesumigewo.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_off000066ad.bin7f30801fdfcc19399df52b751b8073e24766ae56e62c8c22fe62fe9405028b00 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x66AD | 5372 bytes |
font_01_sfnt_off000078f8.bin248f6dbd4cae8a49c8344cba01a07161dd09f59f24eb69120dc42e6dfb84c595 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x78F8 | 10680 bytes |
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