MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF document contains embedded URLs and is flagged by ML classifiers and ClamAV as malicious. The document body, though heavily obfuscated, suggests a lure related to 'Ubiquiti m2 loco setup'. The presence of numerous external links, some on disposable domains, indicates a link farm or phishing attempt. No scripts were extracted, but the PDF structure and URL patterns are consistent with malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9992
Heuristics 5
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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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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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://ambrose.edu/sites/default/files/webform/futexapepunuvanujom.pdf In PDF document text
- http://www.grotekeukens.be/sites/default/files/webform/gmawards2018/87706268510.pdfIn PDF document text
- http://cicatsalud.com/html/sites/default/files/webform/604022749.pdfIn PDF document text
- https://www.natsihwa.org.au/sites/default/files/webform/21073527915.pdfIn PDF document text
- https://ambrose.edu/sites/default/files/webform/padubomi.pdfIn PDF document text
- http://www.pacificsportfraservalley.com/sites/default/files/webform/pulipalukegibivep.pdfIn PDF document text
- https://www.uts.cw/sites/default/files/webform/vogoledifekotukedadawen.pdfIn PDF document text
- https://grossenbacher.co.nz/en/system/files/avoidance-training-certificates/tojawi.pdfIn PDF document text
- https://www.jwico.com/sites/default/files/webform/monufugabezexi.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=ubiquiti+m2+loco+setupPDF link annotation
- https://gradfutures.princeton.edu/system/files/webform/16157352895.pdfIn PDF document text
- https://gradfutures.princeton.edu/system/files/webform/42179508969.pdfIn PDF document text
- http://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f4df.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF4DF | 5164 bytes |
SHA-256: 84aebe222b5967cc03622c8c5bec31ba2302b8de9627dd3173bfe3a1dbe2a206 |
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font_01_sfnt_off0001066d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1066D | 10536 bytes |
SHA-256: 8d9b511a6c7f3a7cedea6f41a66df9123bc9b43617d8e4e2285b3a32b9a8dc57 |
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