MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains an embedded JavaScript stream and numerous external URIs, many of which point to compromised or disposable hosting. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' indicates the document is designed as a link farm, likely to distribute malicious content or phish users. The ML classifier and ClamAV detection strongly suggest malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9953
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://jfac.kr/ckfinder/userfiles/files/98179923562.pdf In PDF document text
- https://jaunimodienos.lt/wp-content/plugins/super-forms/uploads/php/files/gq7s0f0o5mbpqo211f3imfp6ct/80635429195.pdfIn PDF document text
- http://agriturismolionsfarm.it/userfiles/files/51236405347.pdfIn PDF document text
- https://jphotographyllc.com/userfiles/file/2883076800.pdfIn PDF document text
- https://tamphuctriland.vn/upload/files/gajemukaxuvelaxefufevux.pdfIn PDF document text
- http://abnigakgdsg.friendship-match.com/upload/files/jigasasasokogaxusovuxibif.pdfIn PDF document text
- http://csc0532.com/userfiles/file/20210904072921_12tklt.pdfIn PDF document text
- https://penal-garazh.ru/files/juwavupivilobedagikev.pdfIn PDF document text
- https://callmarkinvestments.com/callmark/files/66763412057.pdfIn PDF document text
- https://highfieldhousehotel.net/nbloom/fckuploads/file/7792780566.pdfIn PDF document text
- http://www.adarshvidhyasankul.org/userfilesfile/sotovigamusavobebigopati.pdfIn PDF document text
- http://thegrcinstitute.org/app/webroot/js/ckfinder/userfiles/files/26455694682.pdfIn PDF document text
- http://jiji.pgo.tw/pic/uploads/files/wuborigazizojomer.pdfIn PDF document text
- http://windcampus.com/wp-content/plugins/formcraft/file-upload/server/content/files/161325b4c15f2f---84174917379.pdfIn PDF document text
- http://www.ccengis.be/applications/ckeditor/addons/ckeditor/ckfinder/userfiles/files/32932018810.pdfIn PDF document text
- http://polyacer-ecp.com/userfiles/files/20210902_010600.pdfIn PDF document text
- https://highrise.pl/file/zilarefi.pdfIn PDF document text
- http://xn--zb0bw3kv4s8mn.com/upload/fckeditor/file/konekazi.pdfIn PDF document text
- https://oneremote.ru/wp-content/plugins/super-forms/uploads/php/files/48834c67d33823c4610a25736d3ea394/63502222252.pdfIn PDF document text
- https://uzunlarpeynir.com/dursun/upload/files/jaboluvaxazovuvepiba.pdfIn PDF document text
- http://wm-meyer.de/meyer/admin/editor/ckfinder/userfiles/files/parujax.pdfIn PDF document text
- http://crmloccitanecr.com/campannas/file/49352387764.pdfIn PDF document text
- http://czechnews.cz/userfiles/files/nirokijagadomimubunakiw.pdfIn PDF document text
- http://rurisnet.org/images/file/20769337670.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/GLLx1DTH0VQ/uplcv?utm_term=how+to+share+shareit+using+bluetoothPDF 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_off0000d5aa.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD5AA | 17052 bytes |
SHA-256: c734f76db1e2c28e2ba4605bb8d6a371bb7791b8e7a665d4819f3cf041770610 |
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font_01_sfnt_off00010176.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10176 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001198d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1198D | 10704 bytes |
SHA-256: 5609683e0917a5db1d1916b215797d0388bee5776a7df14b6121605e970bc909 |
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