MALICIOUS
192
Risk Score
Malware Insights
MITRE ATT&CK
T1566.002 Spearphishing Attachment
T1059.001 PowerShell
The PDF file contains a large number of embedded URLs, identified by the PDF_SEO_LINK_FARM heuristic, which is indicative of a link farm or phishing lure. The ML classifier and ClamAV detection strongly support its malicious nature. The document body, though partially obfuscated, contains references to 'Brookfield school chesterfield ofsted report' and lists numerous URLs, suggesting a phishing or redirection attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9999
Heuristics 4
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ClamAV: Pdf.Phishing.TtraffRobotInstall-7605656-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.TtraffRobotInstall-7605656-0
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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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PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINKPDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
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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 http://gimax.samba-careers.online/uploads/2020/01/29/1237987.pdf In PDF document text
- http://bluebirdconcreteliftingandrepair.com/uploads/1/3/0/5/130588999/7962946.pdfIn PDF document text
- http://suzannefife.com/uploads/1/3/0/3/130313167/tasik_sakafozi_nezaxabubun_fimizisugavi.pdfIn PDF document text
- http://ncphotgraphy.com/uploads/1/3/0/6/130620391/4347148.pdfIn PDF document text
- http://barnesjewelersonline.com/uploads/1/3/0/6/130604631/texoworifidad_kabizaginexa_gegunagelib.pdfIn PDF document text
- http://pachacea.com/uploads/1/3/0/6/130605222/6020473.pdfIn PDF document text
- http://regexecution.net/uploads/1/3/0/4/130488839/balulim_fanudumada.pdfIn PDF document text
- http://eloyjrojas.com/uploads/1/3/0/6/130603905/guvuvu.pdfIn PDF document text
- http://bethmccash.com/uploads/1/3/0/5/130588786/197794.pdfIn PDF document text
- http://safeportdesign.com/uploads/1/3/0/6/130604251/xigefok-metiru.pdfIn PDF document text
- http://thehnossaproject.com/uploads/1/3/0/5/130550847/130550847.html#brookfield+school+chesterfield+ofsted+reportIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
- https://fedoraproject.org/wiki/Licensing/LiberationFontLicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000012cd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12CD | 8796 bytes |
SHA-256: afe175172639acb0e8cf5ec020a0df98bcde00127eb7de3ab5a1fef93ac518c2 |
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font_01_sfnt_off0000693e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x693E | 16036 bytes |
SHA-256: 779aa567746046747dac965df7fdfb06ff632674a0a99ce247a327bf89f0fa63 |
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font_02_sfnt_off00007d63.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7D63 | 2648 bytes |
SHA-256: 2c32c498f23db3cae400dac070c72b38d41a5d5dbe5041cbe08e7cee44e1acfd |
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