MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains an embedded JavaScript stream and numerous external URIs, many of which are part of a link farm hosted on potentially compromised or disposable domains. The ML classifier and ClamAV detection strongly indicate malicious intent, likely phishing or SEO abuse. The embedded JavaScript is a common technique for executing malicious code or redirecting users to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9949
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://drafthe.ru/uplcv?utm_term=international+relations+project+topics+pdf PDF link annotation
- https://slotpt2.com/contents/files/2457132379.pdfIn PDF document text
- http://www.injamal.es/nueva/ckfinder/userfiles/files/febizalokum.pdfIn PDF document text
- https://marksiegeldds.com/wp-content/plugins/super-forms/uploads/php/files/68292abf565d1d96df918b487fcabc66/dofavazukefazegumitu.pdfIn PDF document text
- http://www.gamylai.vn/uploads/files/90629338793.pdfIn PDF document text
- http://yao-cheng.com/uploadfiles/20210901041337.pdfIn PDF document text
- http://vietsonplastic.com/uploads/userfiles/file/39263680263.pdfIn PDF document text
- http://acril.ru/ufiles/files/jedajexesulebafelilixike.pdfIn PDF document text
- http://queensparkview.com/image/upload/File/86105267659.pdfIn PDF document text
- http://hwayoung.kr/upfile/files/53215155306.pdfIn PDF document text
- http://nakajima-ya.com/upload/save_image/files/32232299616.pdfIn PDF document text
- http://ambulatorioveterinariomariani.it/userfiles/files/12362563283.pdfIn PDF document text
- http://albarossa.jp/js/upload/files/99520102269.pdfIn PDF document text
- http://aeklaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/78173168228.pdfIn PDF document text
- http://messtores.ca/fck_user_files/file/xakobadazitufeki.pdfIn PDF document text
- https://ww150006.linebot.net/upfile/files/20210903193236.pdfIn PDF document text
- https://2-view.org/home/view/public_html/ckfinder/userfiles/files/piziw.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16131ac8d6ed48---wegotivijitijoweb.pdfIn PDF document text
- https://autoteam.in/ckfinder/userfiles/files/37446340206.pdfIn PDF document text
- https://plumcourse.com/wp-content/plugins/super-forms/uploads/php/files/3a7007e9ef552f723e8e12982d5c678c/tewegimejanimezobetomar.pdfIn PDF document text
- https://postelezmasivu-ostrava.cz/ckfinder/userfiles/files/wuwom.pdfIn PDF document text
- http://abwcockeysville.com/uploads/files/divifegokitosuseri.pdfIn PDF document text
- https://shreenatharcade.com/userfiles/file/zexokepeno.pdfIn PDF document text
- https://www.modianodesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/161305157d00af---86042779092.pdfIn PDF document text
- http://chiesamadremarsala.eu/userfiles/files/musutuwosizim.pdfIn PDF document text
- http://cargo3030.ru/wp-content/plugins/formcraft/file-upload/server/content/files/161353fc8d5a25---bakulosub.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_off0000d9b7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD9B7 | 10692 bytes |
SHA-256: b6340f97a8e1a8b2fa2ff651938ff8c36d07e55ba1e5adf36f61b44db96d9487 |
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font_01_sfnt_off0000f24d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF24D | 17200 bytes |
SHA-256: 525d596711c6fac5e591e1fd94b414580017d52c800fa8936f6b2fdfac90f14f |
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font_02_sfnt_off00011e70.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11E70 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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