MALICIOUS
124
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
T1059.007 JavaScript
The PDF was flagged by multiple heuristics, including a machine learning classifier and ClamAV, indicating malicious content. The presence of numerous external URIs, many pointing to disposable domains and configured as a link farm, strongly suggests a phishing or malware distribution attempt. The document body, though heavily obfuscated, contains references to wkhtmltopdf and a date, hinting at its construction as a lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.8993
Heuristics 4
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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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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://www.birdlifebotswana.org.bw/sites/default/files/webform/sightings-sketches/beporu.pdf In PDF document text
- https://natsihwa.org.au/sites/default/files/webform/degajakuko.pdfIn PDF document text
- https://www.blplegal.com/sites/default/files/webform/vogelunejubujapezidugave.pdfIn PDF document text
- http://russian-ice-spb.ru/sites/default/files/webform/files/loxigexaxezirizedud.pdfIn PDF document text
- https://ambrose.edu/sites/default/files/webform/sovurusogizafubeb.pdfIn PDF document text
- https://ambrose.edu/sites/default/files/webform/fulakosilukubusovugatupus.pdfIn PDF document text
- https://www.mainephilanthropy.org/sites/default/files/49101071505.pdfIn PDF document text
- https://www.osgeurope.com/sites/osg-corporate.dev/files/webform/kanuvanirarotugawabu.pdfIn PDF document text
- https://ambrose.edu/sites/default/files/webform/tinijozude.pdfIn PDF document text
- https://www.jwico.com/sites/default/files/webform/monufugabezexi.pdfIn PDF document text
- https://www.blplegal.com/sites/default/files/webform/58709767715.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/cv9VXjIrmdE/uplcv?utm_term=will+ghost+come+back+in+power+book+2PDF link annotation
- https://umatter.princeton.edu/system/files/webform/requests/72435273025.pdfIn PDF document text
- https://www.healthdata.org/sites/default/files/resumes/nufimogunuzin.pdfIn PDF document text
- https://minorsoncampus.princeton.edu/system/files/webform/zotatati.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_off0000fc6c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFC6C | 5576 bytes |
SHA-256: 8cfd315e7d218053745dd9d1eaaab625b2a29d16dae02fb65f329a771188ce4b |
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