MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The file contains numerous embedded URLs, many of which point to compromised CMS uploads or disposable hosting, suggesting a link farm designed to redirect users to malicious content. The presence of these links and the overall structure strongly indicate a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.8850
Heuristics 5
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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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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://medvor.ru/uplcv?utm_term=demonstrative+pronouns+worksheet+with+answers PDF link annotation
- http://kepco-group.com/uploaded_files/userfiles/files/kusej.pdfIn PDF document text
- http://villalapinetafavignana.it/userfiles/files/rekubikejigukuke.pdfIn PDF document text
- https://husvagnsexpo.se/wp-content/plugins/formcraft/file-upload/server/content/files/1614313a91e16b---71393564354.pdfIn PDF document text
- http://mishor-uvk.com/uploads/files/42193112959.pdfIn PDF document text
- http://bojovesporty.cz/userfiles/file/vametufazipiwanadevibiti.pdfIn PDF document text
- http://theopenhouseclub.com/wp-content/plugins/super-forms/uploads/php/files/b00836cb8d7dcb0c73811269fb32238e/36935435362.pdfIn PDF document text
- http://aroma-es.red/yamituki-n/uploads/files/megapofoxisodemuledosite.pdfIn PDF document text
- https://warungmimpishio.com/contents/files/kitex.pdfIn PDF document text
- http://xn--80aafbladvtgxneccoge3bt.xn--p1ai/pict/file/49103737182.pdfIn PDF document text
- http://valentine.tutaylamhet.com/storage/ckfinder/files/rimodel.pdfIn PDF document text
- http://muszempilla.com/files/file/neleworamudimozefo.pdfIn PDF document text
- https://yk-tech.com.tw/ckfinder/uploads/ckfiles/files/ziwebida.pdfIn PDF document text
- https://cissud.com/uploads/ck_editor/files/3559651227.pdfIn PDF document text
- https://makemycake.gr/wp-content/plugins/super-forms/uploads/php/files/kdj03jc6j3k0jq2kupnrabcsi4/niwibijijar.pdfIn PDF document text
- http://labradory.pl/file/26882540619.pdfIn PDF document text
- http://nexxosrealty.com/userfiles/files/59378726042.pdfIn PDF document text
- http://gnatowski.pl/attachments/file/29127044115.pdfIn PDF document text
- http://www.logistiekverbeteren.nl/ckfinder/userfiles/files/sirozuwunavi.pdfIn PDF document text
- https://endobible.com/userfiles/file/mejofovug.pdfIn PDF document text
- http://guide-eq.com/userfiles/file/20210924210034_jcdg4v.pdfIn PDF document text
- https://sanmuabancongty.vn/images/content/files/zisexoruxumufovukosumot.pdfIn PDF document text
- https://chongtham68.com/app/webroot/uploads/files/18002010710.pdfIn PDF document text
- https://businesslife.com/content/file/47054394971.pdfIn PDF document text
- http://around-sicily.net/userfiles/file/juvotadu.pdfIn PDF document text
- http://zhatuogz.com/uploadfile/file/39381572668.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_off0000e580.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE580 | 10816 bytes |
SHA-256: 04db9261fe4f6341ea5d6fdf637d84285f8fc9d809b02eb53bd7672fec994e78 |
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font_01_sfnt_off0000fe55.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFE55 | 20000 bytes |
SHA-256: 7a8355fb4d6fd81050462dc6ec580a41de4cbec178dcde9218651fd86f3a7417 |
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