MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and a significant number of external URIs, many of which are part of a link farm hosted on compromised or disposable domains. The ML classifier and ClamAV detection strongly indicate malicious intent, likely phishing or malware delivery through these redirects. The embedded JavaScript is a common technique for initiating malicious actions within PDFs.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
Heuristics 7
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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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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=drawing+android+application PDF link annotation
- https://basalyemek.com/ckfinder/userfiles/files/21673648815.pdfIn PDF document text
- http://arcdesantmarti.com/biocop/Images/images-editor/file/52903431578.pdfIn PDF document text
- http://rheinmotel.com/userfiles/file/fabagadojumodexanufusivob.pdfIn PDF document text
- https://nanyangtextile.com/userfiles/file/faxemugutukewide.pdfIn PDF document text
- http://falerisztika.hu/tmp/xufapew.pdfIn PDF document text
- http://visit-pune.com/userfiles/file/gijadifa.pdfIn PDF document text
- http://laptopcuhaiphong.vn/upload/files/lamofuvepisibejotulew.pdfIn PDF document text
- https://www.projectorrentals.com/wp-content/plugins/formcraft/file-upload/server/content/files/161337658b4932---bekivutotum.pdfIn PDF document text
- http://claudiodauelsberg.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/161387ea738150---40335817599.pdfIn PDF document text
- http://educaholistica.com/resources/img/imagesck/files/luxidajikusafunuja.pdfIn PDF document text
- http://qlinairnv.be/userfiles/file/pupomipibukoxaduzeser.pdfIn PDF document text
- http://dxline.eu/userfiles/file/28949238317.pdfIn PDF document text
- http://diversecityuk.com/userfiles/file/lolifobegawanixubu.pdfIn PDF document text
- http://www.kigimex.com.vn/ckfinder/userfiles/files/88984928366.pdfIn PDF document text
- https://www.privathospitaletkollund.com/ckfinder/userfiles/files/20039509907.pdfIn PDF document text
- http://ssanadia.in/userfiles/file/88748493005.pdfIn PDF document text
- https://pfgmm.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1613234bd722a8---fobufeva.pdfIn PDF document text
- http://safeabortionnepal.com/userfiles/file/fiwomufajarudoza.pdfIn PDF document text
- https://cncunse.com/d/files/befuwow.pdfIn PDF document text
- https://grupo.iberia.com/js/ckfinder/userfiles/files/73625481670.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_off0000d5c9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD5C9 | 10476 bytes |
SHA-256: f23e24f764ea12b7923bf14267079c700db805d2784b499010db902c1f85a212 |
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font_01_sfnt_off0000ed7d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED7D | 18132 bytes |
SHA-256: 8474ea466a62ac40048a56697c8f2913338aba7ba403e8e01cc1b2e86bd65933 |
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font_02_sfnt_off00011c79.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11C79 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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