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 point to compromised WordPress sites acting as link farms. These links likely serve as a lure to redirect users to phishing pages or download further malicious content. The ML classifier and ClamAV detection strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9919
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://synerhu.ru/uplcv?utm_term=new+punjabi+movie+ardaas+karaan+gippy+grewal
- https://www.stamfordtaxis.com/wp-content/plugins/super-forms/uploads/php/files/f0e6ikqivqj8e69cpaerm5ggra/fabilivepuvasepivukim.pdf
- https://ewms.vn/wp-content/plugins/super-forms/uploads/php/files/3entrsmogi1vf0rqt45a19vi2n/najuti.pdf
- https://snoman.mb.ca/ckfinder/userfiles/files/tigamutirol.pdf
- https://sipare.com.ar/wp-content/plugins/super-forms/uploads/php/files/s2gp2pdco68gccjvvje95k762s/63972796565.pdf
- http://kppzp.pl/userfiles/file/terixisanalunafakevimuv.pdf
- https://mziagroup.com/wp-content/plugins/super-forms/uploads/php/files/bh3ukevs1skt3dfkk1rgmstl8g/nimafuduvoterevasemeb.pdf
- http://inwallendorf.de/userfiles/file/85265490331.pdf
- https://glass-haus.ru/wp-content/plugins/super-forms/uploads/php/files/36a5d212e50be1088150e9df221f4c50/romiwolexidudaki.pdf
- https://www.ibyservice.com/wp-content/plugins/super-forms/uploads/php/files/3c00d164079c247672e8f9f41d9ea0d9/84620164516.pdf
- http://lev-steklo.ru/userfiles/file/98720718540.pdf
- http://kazenergy.kz/wp-content/plugins/formcraft/file-upload/server/content/files/1606f32d6a8ee3---22125804922.pdf
- https://asiaviews.org/wp-content/plugins/super-forms/uploads/php/files/ojr4oaa9tcoe1dv48j7s5gs7n2/75569634029.pdf
- https://nationalcardsolutions.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b6b6840710f---definip.pdf
- http://enjoybowlramenandpoke.com/uploads/files/vivipixaniwizezojafo.pdf
- http://www.highlandmetals.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1606d09901521a---vigotikibebubidufagepa.pdf
- https://www.infrascale.com/wp-content/plugins/super-forms/uploads/php/files/96c3a4436af3b099eec81340d50098ab/10363348066.pdf
- https://www.ayersworthglen.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608f13791a5b6---texaxanufagun.pdf
- https://gloriouz.in/ckfinder/userfiles/files/zirunibarowusewor.pdf
- http://informerfitness.com/wp-content/plugins/super-forms/uploads/php/files/4b96edc43273d7e17346566b60998c3e/komibopadup.pdf
- http://www.icodar.com/wp-content/plugins/formcraft/file-upload/server/content/files/16092411f79908---lanuxexikozabuvupibuz.pdf
- http://romanakladatelstvi.cz/userfiles/file/jixeperugobudomatodoviv.pdf
- https://www.kindspring.org/inc/ckfinder/userfiles/files/76129450411.pdf
- https://sipsib.ru/wp-content/plugins/super-forms/uploads/php/files/9b03fe8d9d479411d3a34cec8a86816e/kegorosijumineko.pdf
- https://kultmotor.hu/images/files/26985645554.pdf
- https://holocaustresearch.pl/nowy/photo/file/70526583480.pdf
- http://albarossa.jp/js/upload/files/85829953.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e9c6.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE9C6 | 16792 bytes |
font_01_sfnt_off000101d8.bina5f5152d8f16e254a7d5abb4ed7e47d8fb78051c3493a52331776b23a307b675 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x101D8 | 17820 bytes |
font_02_sfnt_off0001308c.binc357c1f60f496c0483ee602ab4f0a5a16a4ce611248c22bfea0fded9fd14bd8e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1308C | 11344 bytes |
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