MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. Heuristics indicate it functions as a link farm, with many URLs pointing to compromised CMS uploads or disposable domains. These links likely serve as lures for phishing attacks or to distribute further malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
Heuristics 6
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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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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 http://bakoca.hu/files/file/69036555211.pdf In PDF document text
- http://upservice.expert/admin/ckfinder/userfiles/files/88324805106.pdfIn PDF document text
- http://aranykoronakft.hu/userfiles/file/83569376086.pdfIn PDF document text
- https://www.ideaklinik.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1607b6abfe3868---vabirisivavamefiwudarorum.pdfIn PDF document text
- http://aaaexpressheating.com/userfiles/file/45225916802.pdfIn PDF document text
- http://www.molinoag.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ad221b62af8---59839545731.pdfIn PDF document text
- http://argentum.com/wp-content/plugins/super-forms/uploads/php/files/l4sa0mllnrflr7e4jj58o5brao/ledixukolomixedudib.pdfIn PDF document text
- https://shrmivirtual.org/wp-content/plugins/super-forms/uploads/php/files/458323c5ff332eea25911d78da72dd46/modaserab.pdfIn PDF document text
- http://csc-vietnam.vn/uploads/userfiles/file/nowewagivodabelinokakati.pdfIn PDF document text
- http://hyeminshop.com/DATA/files/19475285288.pdfIn PDF document text
- http://xn--90aoaidn.xn--p1ai/ckfinder/userfiles/files/wezapiporubijonorujus.pdfIn PDF document text
- http://miraesusan.com/ckupload/files/zobow.pdfIn PDF document text
- http://yejida.com/userfiles/file/50111056082.pdfIn PDF document text
- http://tv-sat.cz/userfiles/file/nulumesazemodudiwekuzu.pdfIn PDF document text
- http://evohome.pl/userfiles/file/marerovobejelu.pdfIn PDF document text
- https://alistairmills.com/ckfinder/userfiles/files/31131859047.pdfIn PDF document text
- http://terminsk.by/pics/files/61447286652.pdfIn PDF document text
- https://pasarangroup1.com/contents//files/16965420556.pdfIn PDF document text
- http://drironcat.com/images/file/kilori.pdfIn PDF document text
- https://frennphotography.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609fafd7b7b26---milubizalovonisoxubu.pdfIn PDF document text
- https://songod.vn/uploads/image/files/xodifinolifino.pdfIn PDF document text
- http://ngpsusa.com/wp-content/plugins/super-forms/uploads/php/files/ducneqf1q15u89lon0bi967hg6/tujokil.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/YTWXjIUwRh0/uplcv?utm_term=yellow+discharge+and+wuduPDF link annotation
- 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_off0000f945.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF945 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0001115c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1115C | 10720 bytes |
SHA-256: a2894683fc3319520e053b4deb1022eea12da221ce5d9c34f3f1b74b57f91b36 |
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font_02_sfnt_off000129b6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x129B6 | 19552 bytes |
SHA-256: 768f80f9ef1f98f7430c0c85099d795264ecfc4991abe88da9c2cbb40fd9c5fc |
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