MALICIOUS
176
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The heuristics reveal it functions as a link farm, embedding numerous URLs that point to PDF files hosted on compromised WordPress sites. This suggests a phishing or malware distribution scheme, where users are lured to download further malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9916
Heuristics 7
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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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Clickable URI points to raw IP address medium PDF_URI_IP_LITERALPDF contains a clickable HTTP(S) action whose host is a literal IPv4 address. Legitimate documents normally link to named domains; raw-IP destinations are common in disposable phishing and malware-delivery infrastructure.
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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 https://oniceh.ru/uplcv?utm_term=hacking+simulator+for+android PDF link annotation
- https://nicemexico.net/wp-content/plugins/formcraft/file-upload/server/content/files/1613f77ce3b0a5---57729653701.pdfIn PDF document text
- http://bellezaeimagen.com.mx/wp-content/plugins/formcraft/file-upload/server/content/files/16130dc17ce78e---vazudaluwufoparukopamowan.pdfIn PDF document text
- http://iiiemjobs.com/FCK_Editor_Images/files/witurabukasovawoxijizo.pdfIn PDF document text
- http://www.siposferenc.hu/html/fevagaxogajafavuwesoresun.pdfIn PDF document text
- https://yk-tech.com.tw/ckfinder/uploads/ckfiles/files/laluwudoku.pdfIn PDF document text
- http://quatanggiabao.com/images/uploads/files/15563707228.pdfIn PDF document text
- https://sindonis.com/userfiles/file/96703477329.pdfIn PDF document text
- https://cheeselicious.net/UserFiles/file/bukajejasin.pdfIn PDF document text
- http://gongotour.com/FileData/ckfinder/files/20210905_F27CF9B343A219EB.pdfIn PDF document text
- https://praktijkbinnenstad.nl/file/2869714368.pdfIn PDF document text
- http://yuhao-tech.com/userfiles/file/visasamil.pdfIn PDF document text
- http://kite-surf.sk/files/raketolobukavepuze.pdfIn PDF document text
- http://rockycheng.com/ckfinder/userfiles/files/fojebuxirabotez.pdfIn PDF document text
- http://panova-art.com/files/file/73176482039.pdfIn PDF document text
- https://poulinstrapscan.com/userfiles/file/jomubakinenel.pdfIn PDF document text
- http://modelkyujin.com/wp-content/plugins/formcraft/file-upload/server/content/files/16145bc383a9df---27113264661.pdfIn PDF document text
- http://www.cascinasorigherio.it/wp-content/plugins/formcraft/file-upload/server/content/files/161429d52ea273---47872369115.pdfIn PDF document text
- http://ykzn8.com/upfiles/editor/files/bozeru.pdfIn PDF document text
- https://pisangmanis.com/contents/files/wobetewasupinab.pdfIn PDF document text
- https://hiroyoung.com/data/files/78968797304.pdfIn PDF document text
- http://osheamaloneynylaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/1116170518.pdfIn PDF document text
- https://njsolarpower.com/wp-content/plugins/super-forms/uploads/php/files/98c2e03b6bc1baafb54c20e10db84a3e/15106286727.pdfIn PDF document text
- http://honeystraw.com/uploadfiles/file/mojikudodudomawupam.pdfIn PDF document text
- http://104.156.58.56/~web2inbox/wp-content/plugins/formcraft/file-upload/server/content/files/16139b9d0ea01d---porukupu.pdfPDF link annotation
- https://oxi-dental.ro/imagini_ws/devisufutanobaz.pdfIn PDF document text
- http://www.synagoge-stommeln.de/ckfinder/userfiles/files/tapadof.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_off0000b93f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB93F | 10872 bytes |
SHA-256: f159cd8e6e6ca7ba9902ae14c0244bcd5fd42486ebcfc04374a80f6bae72649e |
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font_01_sfnt_off0000d217.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD217 | 15252 bytes |
SHA-256: 987e4dd7155db8443ad0cd9685e9bb58093c87e076c13c4c5020975cef5b3fc9 |
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font_02_sfnt_off0000f88a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF88A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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