MALICIOUS
124
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, specifically as a phishing trojan. It contains numerous embedded URLs, many of which point to seemingly legitimate domains but are structured to appear as search results or document downloads. The document body, though heavily obfuscated, contains text related to search queries, reinforcing the lure. No scripts were extracted, but the presence of multiple external links suggests an attempt to redirect the user to malicious content or phishing pages.
Machine Learning
- Nyx PDF Classifier malicious score 0.8050
Heuristics 4
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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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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.telluridescience.org/sites/default/files/tstc-applications/nuwirofu.pdf In PDF document text
- https://www.natsihwa.org.au/sites/default/files/webform/tuwagamutavuvefofufeniz.pdfIn PDF document text
- https://www.natsihwa.org.au/sites/default/files/webform/tesogiruzan.pdfIn PDF document text
- https://www.jts.org.jo/sites/default/files/webform/96043924660.pdfIn PDF document text
- http://cicatsalud.com/html/sites/default/files/webform/61943826361.pdfIn PDF document text
- https://grossenbacher.co.nz/en/system/files/avoidance-training-certificates/13178745316.pdfIn PDF document text
- https://www.a1touchsolution.nl/sites/default/files/56489371510.pdfIn PDF document text
- https://ambrose.edu/sites/default/files/webform/9979090083.pdfIn PDF document text
- http://spotlight-sites.com/sites/default/files/webform/sugugijokasu.pdfIn PDF document text
- https://www.natsihwa.org.au/sites/default/files/webform/81826716543.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/DOqCt-cVA4I/uplcv?utm_term=does+burger+king+have+a+dollar+breakfast+menuPDF link annotation
- https://ubmemeaensoprod.s3.amazonaws.com/ifsec_international/call_for_papers/2021/03/37488496184.pdfIn PDF document text
- https://community.princeton.edu/system/files/webform/putirufulexuxibo.pdfIn PDF document text
- https://www.ice.cam.ac.uk/sites/www.ice.cam.ac.uk/files/webform/7842358922.pdfIn PDF document text
- https://drones.princeton.edu/system/files/webform/61493424170.pdfIn PDF document text
- http://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 1
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000dc32.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDC32 | 5584 bytes |
SHA-256: b3b4154749a474b5551f9932b8a3055ea4d3ca75d7c19b43cbf2dca099310173 |
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