MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and numerous URLs, many of which are part of a link farm hosted on disposable or compromised domains. The ML classifier and ClamAV detection strongly indicate malicious intent, likely for phishing or distributing further malware. The embedded JavaScript is a common technique for exploiting PDF vulnerabilities or initiating malicious actions.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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 http://daimarconstrucciones.com/images/admin/file/49958524660.pdf In PDF document text
- https://www.medicalbi.com/ckfinder/userfiles/files/44798659156.pdfIn PDF document text
- http://www.rodnolespropertymanagement.com/siteuploads/editorimg/file/zotujewokiduzufu.pdfIn PDF document text
- https://mycocoa.org/images/upload/files/noxasavasugeri.pdfIn PDF document text
- https://www.mozartcantat.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16137a2b8884b6---ripikakitazokewenixil.pdfIn PDF document text
- http://ambvetsanprospero.eu/userfiles/files/kelavemupejatezupegug.pdfIn PDF document text
- https://nceptionsolutions.com/wp-content/plugins/super-forms/uploads/php/files/34844809b7be36a0962311a38f28b554/togin.pdfIn PDF document text
- https://ylwlgwadmin.ylwl.cn/upload/files/30027716051.pdfIn PDF document text
- http://ilsogno-bomboniere.com/userfiles/files/fewomigafonipilofo.pdfIn PDF document text
- https://ropaalmayoreo.com/images/userfiles/file/wozanatorisigopopiveji.pdfIn PDF document text
- http://lepetitjaunais.com/userfiles/file/musawo.pdfIn PDF document text
- http://xn--80aiddhbkcq5bcaz.xn--p1ai/upload/files/zotedotisogobuzavuvo.pdfIn PDF document text
- https://www.stock2morrow.com/ckfinder/userfiles/files/zevebowomelapeje.pdfIn PDF document text
- https://hopadive.cz/ckfinder/userfiles/files/15770061587.pdfIn PDF document text
- http://mea-travel.pl/userfiles/file/zezopezivodogoje.pdfIn PDF document text
- http://hizirferforje.com/admin/fckeditor/editor/images/file/towimoruvi.pdfIn PDF document text
- https://apaman.ti-am.jp/js/ckfinder/userfiles/files/pafewutalujagesemob.pdfIn PDF document text
- https://brawlcall.jordanadams.com/ckfinder/userfiles/files/27133209030.pdfIn PDF document text
- http://agataklimowska.pl/userfiles/file/70361300728.pdfIn PDF document text
- http://snbedu.com/uploadfile/file///2021090708511524.pdfIn PDF document text
- http://cascinamana.it/userfiles/file/tojatisasetanalivusisisow.pdfIn PDF document text
- https://ontogepszerviz.hu/editor_up/sebogufejoremekap.pdfIn PDF document text
- https://www.milestonesmn.org/ckfinder/userfiles/files/32641285768.pdfIn PDF document text
- http://rund-sro.cz/UserFiles/File/62925180164.pdfIn PDF document text
- https://leicht-spb.ru/wp-content/plugins/super-forms/uploads/php/files/1f5773151cd05aec8d37c7addf5f208c/rogosojulotakix.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/DOqCt-cVA4I/uplcv?utm_term=video+maker+premium+apkPDF 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_off0000d538.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD538 | 17600 bytes |
SHA-256: 440de684600969037b257ba0ac230f3cf6ca3ab3af3873c0a968e97a9b0e5d38 |
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font_01_sfnt_off00010327.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10327 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011b3e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11B3E | 10296 bytes |
SHA-256: 28e411db1d1b4442b071ed190861562aa1ac76377ad14e6dee6a52cfde269395 |
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