MALICIOUS
124
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file is identified as a malicious PDF by ClamAV, exhibiting characteristics of a link farm. It contains numerous embedded URLs pointing to various domains, including compromised WordPress upload directories. The presence of 'utm_term' parameters suggests an attempt to track user interactions, common in phishing or malicious redirection schemes. No scripts were extracted, but the overall structure and URL distribution indicate a likely phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier suspicious score 0.2573
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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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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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://catamma.ru/uplcv?utm_term=smart+iptv+apk+2020 PDF link annotation
- https://feltshoe.com/userfiles/file/xuzopuronelatutisudan.pdfIn PDF document text
- http://royalgoodviewresort.com/Uploads/file/xutuw.pdfIn PDF document text
- https://holyfamilyhospitals.com/ckfinder/userfiles/files/zenujenowasilen.pdfIn PDF document text
- https://guanlai.tw/uploads/files/202109111117336798.pdfIn PDF document text
- http://cs-golfclub.com/ckupload/files/89744877401.pdfIn PDF document text
- http://plan.msu.ac.th/ckfinder/userfiles/files/visijak.pdfIn PDF document text
- http://personnelstrategies.net/userfiles/file/41038475157.pdfIn PDF document text
- http://bibrka-school.org.ua/ckfinder/userfiles/files/fuwegetamaf.pdfIn PDF document text
- http://sancheonglittletheaters.com/upload/userfiles/2021/09/files/210917104646.pdfIn PDF document text
- http://madonnina.info/userfiles/files/12495079343.pdfIn PDF document text
- http://debsecond.net/UserFiles/File/fugujovuzafofikojozuxuna.pdfIn PDF document text
- http://www.ibadirect.com/wp-content/plugins/formcraft/file-upload/server/content/files/16130b204733d4---92265264189.pdfIn PDF document text
- http://jamesandsons.ca/userfiles/file/tikigaxunoniwojobolano.pdfIn PDF document text
- http://ort168.com/upload/ckeditor/files/81527356061.pdfIn PDF document text
- https://www.reliancecareuk.com/wp-content/plugins/super-forms/uploads/php/files/70edb5771369f95d5a392db9d8f4de29/rexaridoref.pdfIn PDF document text
- http://foto-klub.dk/userfiles/file/pafalugon.pdfIn PDF document text
- http://art-wonders.com/ckeditor/ckfinder/core/connector/php/uploads/files/birosukiboginafovur.pdfIn PDF document text
- http://budohurtsa.pl/userfiles/file/38622826386.pdfIn PDF document text
- http://neonatal-surgery.ru/userfiles/files/42538961055.pdfIn PDF document text
- http://rowadhr.com/app/webroot/upload/files/nuxizu.pdfIn PDF document text
- http://abnicum.com/files/file/sekifowobudalule.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614229651d2f9---soxeguruvab.pdfIn PDF document text
- http://weddingdove.tw/uploads/files/202109140544136777.pdfIn PDF document text
- http://www.mediacomriccione.it/wp-content/plugins/formcraft/file-upload/server/content/files/161496734ba5f5---kopefuzetumenefo.pdfIn PDF document text
- http://www.elstar.ru/uploads/files/bonukomogopumelevas.pdfIn PDF document text
- http://media-production.net/admin/ckfinder/userfiles/files/pifufovevezexavag.pdfIn PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000d58c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD58C | 17008 bytes |
SHA-256: 75fae0b5f0b219fed5ce927695f8faaa84378e45f3792536f49dfe6ce930c706 |
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font_01_sfnt_off000101b3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x101B3 | 10316 bytes |
SHA-256: 08fcfd9562a1c3efccf9d23f7971b6fcee26c2ba62380fa22ac99ec74b8cb9ba |
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