MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file contains a large number of embedded links, identified as a link farm, directing users to various external PDF files. One of the primary links redirects to a known malicious infrastructure, suggesting a phishing or SEO spam campaign. The ML classifier also strongly indicated maliciousness. No scripts were extracted, but the embedded links are the primary attack vector.
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/wb?keyword=codice%20deontologico%20infermieri%202019%20pdf#codice+deontologico+infermieri+2019+pdf
- http://files.fauxmesticgoddess.com/uploads/1/3/1/8/131856381/gevaxil.pdf
- http://files.connallyband.com/uploads/1/3/1/8/131856381/koguwoxixude.pdf
- http://files.superiormachineandfab.com/uploads/1/3/2/8/132815154/5810631.pdf
- http://files.proyecto1867.com/uploads/1/3/2/3/132302913/mozolejemi-vexiramiga-leselu.pdf
- http://files.exmouthcaninecentre.co.uk/uploads/1/3/0/8/130874128/jenasaj.pdf
- http://files.bingocompany.net/uploads/1/3/1/3/131379612/d2857f2095895b.pdf
- http://files.fccwareham.org/uploads/1/3/2/7/132740860/4414195.pdf
- http://files.mtviewcrc.org/uploads/1/3/1/8/131871515/dofebekuwosuxoka.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://kegezagen.files.wordpress.com/2020/07/xiwokixinoxedulizomudot.pdf
- https://kikibok.files.wordpress.com/2020/06/dogelezawitizoxalibafez.pdf
- https://keganuforuro.files.wordpress.com/2020/06/wutixoxejexexugemumiwitu.pdf
- https://wisixabapux.files.wordpress.com/2020/07/46572727996.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_off0000761b.binea8eee4aab91c2ddbc91a67616f80bb8a8a4f065faa49876b535e9e11800af76 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x761B | 5380 bytes |
font_01_sfnt_off00008857.bin56eab9313d6a870825e8bfb861210b64fe713548b267b37fa8380e8743f418c2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8857 | 10340 bytes |
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