MALICIOUS
124
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious File
The PDF contains numerous embedded URLs, many of which point to other PDF files on distinct domains, indicating a link farm designed to obscure the true destination. The ML classifier and ClamAV detection strongly suggest malicious intent, likely phishing or malware distribution, by leveraging a large number of external links. The presence of 'utm_term_redirector=True' and the nature of the URLs suggest a campaign to drive traffic to potentially malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.8311
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 http://khocabien.com/uploads/files/jutajufe.pdf In PDF document text
- https://searchkar.com/ci/userfiles/files/vorubuga.pdfIn PDF document text
- http://paoladebenedetti.eu/userfiles/files/vekagokivipozekutixiriv.pdfIn PDF document text
- http://lafiestadelmoto.cz/files/file/nazepamokokomak.pdfIn PDF document text
- http://paymentsbusiness.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1612fcd17bfa10---vodojutib.pdfIn PDF document text
- https://nilsahost.com/calisma2/files/uploads/32390726923.pdfIn PDF document text
- http://madiagranitosilano.it/userfiles/files/45039484482.pdfIn PDF document text
- https://attackworkoutprogram.com/app/webroot/files/ckfinder/userfiles/files/26755613582.pdfIn PDF document text
- http://psn-monolit.ru/img_file/files/nudodareg.pdfIn PDF document text
- https://delaneyllc.cfonewsletter.com/ckfinder/userfiles/files/44867624376.pdfIn PDF document text
- http://kaies.net/upfiles/file/jusulupopa.pdfIn PDF document text
- http://jujucuisine.com/userfiles/file/gefudabelatipegi.pdfIn PDF document text
- http://www.siscbolivia.com/admin/uploaded/fck/file/93897506221.pdfIn PDF document text
- http://schokofontaenen.de/idata/30253448598.pdfIn PDF document text
- http://www.ctmmaximoravenna.com/ckfinder/userfiles/files/jagok.pdfIn PDF document text
- http://kuehllawpc.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/dunoxedeviv.pdfIn PDF document text
- https://transilvaniafishing.ro/app/webroot/files/userfiles/files/xavorafelodon.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/PmAiG5ZyT-k/uplcv?utm_term=droid+transfer+companion+appPDF link annotation
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 1
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ca24.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCA24 | 10736 bytes |
SHA-256: d20eecd1f4ca2063ac2b4ae82f6f04a219c6435fe1eb3a0a547aec825feb616f |
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