MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a PDF containing embedded JavaScript, which is a common technique for executing malicious code. It also contains numerous external URIs, many of which point to compromised websites or disposable hosting, suggesting a link farm designed to redirect users. The ML classifier and ClamAV detection strongly indicate malicious intent, likely for phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9978
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://garglob.ru/uplcv?utm_term=papa%27s+games+apk+free+download PDF link annotation
- http://spellenindex.nl/images/uploads/jifinufoforumewewo.pdfIn PDF document text
- https://mabuksusu2.com/contents/files/pegoperofepuve.pdfIn PDF document text
- http://nek.ua/wp-content/plugins/formcraft/file-upload/server/content/files/16139cd56a956d---87797426548.pdfIn PDF document text
- https://hockeymro.ca/docs/file/3950317912.pdfIn PDF document text
- http://capableapp.com/uploads/files/16754001100.pdfIn PDF document text
- https://szallas-karpatalja.com/upload/83476082053.pdfIn PDF document text
- http://www.studiolegalefusimorelli.com/wp-content/plugins/formcraft/file-upload/server/content/files/161359684195bc---texifozupogug.pdfIn PDF document text
- http://ntep2008.com/UserFiles/File/mivudomonevidonegufujebe.pdfIn PDF document text
- http://lovesenergy.nl/file/10401554585.pdfIn PDF document text
- http://autosvanbeek.nl/mindcms/js/ckf/userfiles/files/sojavejasebogim.pdfIn PDF document text
- http://www.jindatunnel.com/up_files/file/72565249249.pdfIn PDF document text
- https://etadelloro.it/images/file/burijel.pdfIn PDF document text
- https://apotekatia.ba/fajlovi/16684661.pdfIn PDF document text
- http://sibleyestateplanning.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/89132841709.pdfIn PDF document text
- http://orchid-daikanyama.com/userfiles/file/2934983893.pdfIn PDF document text
- http://unibel.pl/pliki/upload/file/tadusikimoxog.pdfIn PDF document text
- http://33podarka.ru/pictures/files/kerunomofijeniralejimebu.pdfIn PDF document text
- http://beckydavidsonhomes.com/wp-content/plugins/formcraft/file-upload/server/content/files/16134148564d7c---mowumuravamomeda.pdfIn PDF document text
- http://abwgulfport.com/uploads/files/36763442053.pdfIn PDF document text
- http://www.vegagastro.pl/upload/file/xuwetamu.pdfIn PDF document text
- https://fontan-montag.ru/img/upload/71905374264.pdfIn PDF document text
- http://work4shop.cz/userfiles/file/xogubatot.pdfIn PDF document text
- http://lednotice.com/userData/board/file/nutagonepepa.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_off0000cbb1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCBB1 | 10864 bytes |
SHA-256: eb8820da3fc62ae889df4f58e9023b432e821589888ddcd5aec6e47981e5e734 |
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font_01_sfnt_off0000e4b3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE4B3 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000fcc5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFCC5 | 17864 bytes |
SHA-256: 0840aa9603f4c0cbe83ff06ec33c2c6ac6fcc279b0a6afc62d883fa362ddda63 |
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