MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1204.002 Malicious Link
The PDF document was flagged by a machine learning classifier and contains a critical heuristic indicating it links to known malicious redirector infrastructure. It also exhibits a PDF link farm pattern, embedding numerous external links, one of which is a known malicious redirector. The document body contains garbled text but does include the malicious URL and several benign-looking Shopify URLs.
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.cc/wix?keyword=modal+verbs+advanced+worksheet+pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0448/2806/5949/files/baldor_descargar.pdf
- https://cdn.shopify.com/s/files/1/0431/2308/1373/files/management_of_acute_pancreatitis_2020.pdf
- https://cdn.shopify.com/s/files/1/0438/6711/1584/files/gtx_970_benchmark.pdf
- https://cdn.shopify.com/s/files/1/0462/5206/4917/files/hospital_bed_sheets_twin.pdf
- https://cdn.shopify.com/s/files/1/0433/7880/2846/files/english_tagalog_translator_offline_free.pdf
- https://cdn.shopify.com/s/files/1/0428/3708/2271/files/63517780522.pdf
- https://cdn.shopify.com/s/files/1/0445/3846/2372/files/coffee_break_spanish_guides_free.pdf
- https://cdn.shopify.com/s/files/1/0437/5419/3047/files/formation_of_continents_and_oceans.pdf
- https://static.usrfiles.com/ugd/b8c837_b0c8a07c63bc4490848aecc2d8d2a1b7.pdf
- https://static.usrfiles.com/ugd/b8c837_c4815c83b5ea43cca81076e6b930a981.pdf
- https://static.usrfiles.com/ugd/b8c837_1868644f22254e8fa3d860ac5f3c841c.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_off00005236.bin2675e83a3ca7a11b4ab4ca39583776d3ba4d7ac0c587bcf89e4208359cbb10b2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x5236 | 5604 bytes |
font_01_sfnt_off0000655d.binafff45ffa84958f9a54a2f52cae9a10e4cf62471daf448fd94deeb02c70c40a7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x655D | 9992 bytes |
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