MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file was flagged by ML classifiers and ClamAV as malicious, indicating a high likelihood of malicious intent. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' suggests the document is designed to host multiple links on disposable domains, a common tactic for phishing or distributing further malware. While no scripts were explicitly extracted, the PDF structure and embedded URLs point towards an attempt to redirect users to potentially harmful external sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9281
Heuristics 5
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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External URI info PDF_URIPDF contains an external URL action
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PDF differential parser failed info PDF_DIFFERENTIAL_PARSE_FAILEDThe cross-check parser (pdfminer.six) failed on this file: PDF differential parser failed: PDFSyntaxError. Static heuristics still ran and any of their findings above are valid; only the differential cross-check signal is missing.
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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://www.uts.cw/sites/default/files/webform/50818196885.pdf
- https://www.mothercare.ro/sites/default/files/webform/resumes/tizagoge.pdf
- https://www.enwidth.com/sites/default/files/webform/resumes/79062027218.pdf
- https://www.newburghgroup.com/sites/default/files/webform/resumes/woxofenobe.pdf
- http://cicatsalud.com/html/sites/default/files/webform/28693943460.pdf
- https://www.termis.org/system/files/webform/manejuwavujegajejumoxak.pdf
- http://www.pbttphtk.gov.my/sites/default/files/webform/74795851198.pdf
- https://ambrose.edu/sites/default/files/webform/28961662769.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- http://feedproxy.google.com/~r/Uplcv/~3/BkSY9tpko7c/uplcv?utm_term=jspdf+autotable+header
- https://printandmail.princeton.edu/system/files/webform/42849177422.pdf
- https://minorsoncampus.princeton.edu/system/files/webform/libovonudipiguriteg.pdf
- https://www.vub.be/sites/vub/files/webform/piwolumubixu.pdf
- https://thesanfordschool.asu.edu/sites/default/files/webform/fapivo.pdf
- https://campusrec.princeton.edu/system/files/webform/wawojamifot.pdf
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000100f1.binb64e78c214b72cf9e77c1c5a2f87e910dc156558cf402fc16d005375f7e76de0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x100F1 | 5256 bytes |
font_01_sfnt_off000112bd.bin0f7baea50fddc2fc3e3f11f1ce7ac6a37a5f889d27c5f9b19b9ebd40284984fd |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x112BD | 11376 bytes |
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