MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
T1204.002 Malicious Link
The PDF file contains a malicious redirector link disguised as content about 'Como sacar los numeros cuanticos'. The ML classifier strongly indicated maliciousness, and the PDF was flagged for containing a mass external PDF link farm, with one primary malicious redirector. The document body, though heavily obfuscated, contains the malicious URL and several benign-looking Shopify URLs, likely part of the link farm.
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/wix?keyword=como+sacar+los+numeros+cuanticos
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/54729765263.pdf
- https://cdn.shopify.com/s/files/1/0434/9424/4516/files/sobapidoxokixokewiku.pdf
- https://cdn.shopify.com/s/files/1/0430/3929/3593/files/rodabiluferosixolex.pdf
- https://cdn.shopify.com/s/files/1/0449/5494/3647/files/10731764622.pdf
- https://cdn.shopify.com/s/files/1/0462/7169/2951/files/vocabulary_for_high_school_students.pdf
- https://cdn.shopify.com/s/files/1/0429/5009/9107/files/8010663821.pdf
- https://cdn.shopify.com/s/files/1/0434/0069/1866/files/24423098952.pdf
- https://cdn.shopify.com/s/files/1/0435/5869/9159/files/nds_emulator_android_apk_2019.pdf
- https://static.usrfiles.com/ugd/3bca44_6fcd2d3d8c7248fe90ec7693a65421db.pdf
- https://static.usrfiles.com/ugd/b8c837_b6a6978593d34cf9a289c5df23707cec.pdf
- https://static.usrfiles.com/ugd/b8c837_789b67d666bf4959a7013fb3584f0a42.pdf
- https://static.usrfiles.com/ugd/b8c837_97576efa759d4dea8604a39c453731cc.pdf
- https://static.usrfiles.com/ugd/b8c837_ca5af8255dab4f77b418bf4e95e8d011.pdf
- https://static.usrfiles.com/ugd/7d1dc9_6e0d13f3c84c43de9b0c318747af234c.pdf
- https://static.usrfiles.com/ugd/b8c837_3ee1cf382a9e47acaf634a3dbb58835d.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_off00007008.bin085a1e8798481370321286de0ce400f807f71bb871423303d44aac10189b0f8c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7008 | 4848 bytes |
font_01_sfnt_off00008064.bin3a1f74d902a89489b5b9b49c2e56d3989033751b23266a452c6a387d5ff339aa |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8064 | 10836 bytes |
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