MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and numerous external URIs, many hosted on disposable domains or compromised CMS uploads, indicating a link farm designed to redirect users to malicious content. The ML classifier and ClamAV detection strongly suggest malicious intent, likely phishing or malware delivery. The embedded JavaScript is a common technique for exploiting PDF viewers.
Machine Learning
- Nyx PDF Classifier malicious score 0.9980
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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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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=dragon+ball+z+season+7+all+episodes PDF link annotation
- http://airzo.net/userData/board/file/70429756753.pdfIn PDF document text
- http://phuquytravel.com/nguyenvanlinh/files/11523937850.pdfIn PDF document text
- https://www.dekleinewerf.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16139cc998bde8---gakodofede.pdfIn PDF document text
- https://donnasalon.ru/wp-content/plugins/super-forms/uploads/php/files/46efe0746335c078af2747879dfc5a24/fotedimigakawiwo.pdfIn PDF document text
- http://yhbinternational.com/userfiles/file/34858460008.pdfIn PDF document text
- https://terracell.pt/images/file/nitotijomopamodamimov.pdfIn PDF document text
- http://cuacongtudongbinhduong.com/upload/files/48061422608.pdfIn PDF document text
- http://myshiou.com/uploads/files/202109151841413721.pdfIn PDF document text
- http://gespk.com/userfiles/file/70194040829.pdfIn PDF document text
- http://chi-kara.net/userfiles/file/53929151426.pdfIn PDF document text
- http://king-pro.com/userfiles/files/zuvagixa.pdfIn PDF document text
- https://dalyanestate.com/userfiles/file/gewozikilivoxetugifabupow.pdfIn PDF document text
- http://ciskmv.com/css/file/dasatepupumi.pdfIn PDF document text
- http://invismortgagebroker.com/images/file/44618073715.pdfIn PDF document text
- https://jdbailbonds.com/wp-content/plugins/super-forms/uploads/php/files/e5afae699fbd550f4a9b6876b770ca07/56818674390.pdfIn PDF document text
- http://de.ruben.pl/ckfinder/userfiles/files/48639249340.pdfIn PDF document text
- https://indicaperu.com/userfiles/file/89423689355.pdfIn PDF document text
- http://kfbma.org/files/fck/file/3484710797.pdfIn PDF document text
- https://sarvodayasamaj.uk/upload/files/28648466696.pdfIn PDF document text
- http://hiace-yoshikawa.com/js/upload/files/gogumubajewutoxiguna.pdfIn PDF document text
- https://securitydm.rs/slicice/file/53887184190.pdfIn PDF document text
- http://le-nora.com/userfiles/file/57716681834.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_off0000c0e9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC0E9 | 21144 bytes |
SHA-256: 3b00c0adac323c5e4103651cbd2bdc8a757b21d4f33a551adff9b21c89532a02 |
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font_01_sfnt_off0000f7b4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF7B4 | 10720 bytes |
SHA-256: a808e61ea34030507d6249d6ac0f39bed9e51948437b3c548cb8be798b0490db |
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font_02_sfnt_off00011002.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11002 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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