MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document was flagged as malicious by an ML classifier and contains a large number of embedded links, including one pointing to known malicious redirector infrastructure. The document body is heavily obfuscated but appears to contain references to the embedded URLs, suggesting a link farm or phishing lure. No scripts were extracted, but the sheer volume of outbound links indicates a high likelihood of directing users to malicious content.
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=underwater%20architecture%20pdf
- http://files.saundersvet.com/uploads/1/3/0/7/130739769/e363f310302dd.pdf
- http://files.dlfinancial.org/uploads/1/3/1/3/131379749/tobij.pdf
- http://files.cuestacollegerodeo.com/uploads/1/3/1/4/131483550/f518ae417.pdf
- http://files.professorwillis.com/uploads/1/3/0/9/130969819/3536095.pdf
- http://files.foreignlanguagedepartment.com/uploads/1/3/1/3/131380953/e91e9632b0a86f.pdf
- http://files.helenvanstolk.com/uploads/1/3/1/8/131856518/mabubivikoziko.pdf
- http://files.thebetterbrasspipe.com/uploads/1/3/2/7/132740218/daf3e1d8396c143.pdf
- http://files.publichealthmuseum.org/uploads/1/3/1/3/131384789/a826b1b39.pdf
- http://files.dylanness.com/uploads/1/3/0/9/130969819/860cb.pdf
- http://files.lindathurd.com/uploads/1/3/0/7/130775053/gusisinox.pdf
- http://files.biggsbassethounds.com/uploads/1/3/1/8/131857071/84fb7a2093dbc.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://zozijonatoto.files.wordpress.com/2020/06/viwimolobadupigoje.pdf
- https://lisovituju.files.wordpress.com/2020/07/12667120195.pdf
- https://xudevameta.files.wordpress.com/2020/07/kerujudimix.pdf
- https://gugofesid.files.wordpress.com/2020/07/31014994711.pdf
- https://jijafozivofi.files.wordpress.com/2020/07/vadijeni.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_off000066ac.bin919cbd4c839c17d15c524ea737671f7586cd032ca39f1974155258bec7b1cb94 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x66AC | 4888 bytes |
font_01_sfnt_off00007752.bind9497a08ba9a294c6a6743e6a093a73103327678fa84d3d1ed5e69feba7be9a3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7752 | 10392 bytes |
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