MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The PDF contains numerous embedded URLs, many of which point to unknown or potentially malicious domains, suggesting it acts as a lure to external resources. The presence of a link farm heuristic further supports the idea that this PDF is used to redirect users to other sites, likely for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9981
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://rmissio.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1614709024e945---4793110272.pdf In PDF document text
- http://studiobaldizzone.com/userfiles/files/megifogavovat.pdfIn PDF document text
- http://malopolskiszlakwinny.pl/upload/File/79145474783.pdfIn PDF document text
- http://yigang-lin.com/uploads/files/202109140800425618.pdfIn PDF document text
- http://czerwoneiczarne.pl/files/file/39513025265.pdfIn PDF document text
- http://phanvienphianam.com/uploads/userfiles/file/dikekovabijizugemuk.pdfIn PDF document text
- http://sprostredkovanieuverov.sk/res/file/kizijopakivaxajevemutuwu.pdfIn PDF document text
- https://alenakovalchuk.ru/wp-content/plugins/super-forms/uploads/php/files/4687682e58fd583dcd63b1182db058c6/kidimofu.pdfIn PDF document text
- http://www.vandiestbrandstoffen.be/uploads/files/towosapemanavap.pdfIn PDF document text
- https://panoramamall.bg/ckeditor/ckfinder/userfiles/files/26853668064.pdfIn PDF document text
- http://chapaconoticias.com/assets/ckfinder/core/connector/php/uploads/files/dudajepijoxufoz.pdfIn PDF document text
- http://www.novosib-sport.ru/ckfinder/userfiles/files/jasaxuzeb.pdfIn PDF document text
- http://leylasuren.com/images/userfiles/imagefile/nesatazejavasejevadeg.pdfIn PDF document text
- http://sinners-party.de/media/file/bikidegokupiwufe.pdfIn PDF document text
- https://swift-tw.com/lcc/upload/files/gojolej.pdfIn PDF document text
- https://rireenfrance.com/images/upload/files/6415666000.pdfIn PDF document text
- http://caopump.com/admin/userfiles/file/budemumin.pdfIn PDF document text
- http://sh-songshi.com/admin/upimg/file///fetijugeseso.pdfIn PDF document text
- https://pharma-tools.pl/galeria/file/5891751390.pdfIn PDF document text
- http://vititanon.com/user_img/files/zuwozokavutorogir.pdfIn PDF document text
- http://55pluscommunityspecialist.com/userfiles/files/8681418508.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/1xuhb7AK25c/uplcv?utm_term=transfer+contacts+from+another+phonePDF link annotation
- https://tes-sys.com/uploads/ckfinder/files/20210902/16305695827652.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000d91d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD91D | 18148 bytes |
SHA-256: e3c44bb3f02ec7ff2ded057229330f32737852284121adb035db9795e9551101 |
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font_01_sfnt_off000107c1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x107C1 | 10568 bytes |
SHA-256: 42b6ceecc03ca358c62ffd66293fef5463483cebcb579753da4200902b4bc91f |
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font_02_sfnt_off00011fb4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11FB4 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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