MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and numerous external links, many pointing to compromised WordPress sites or disposable hosting, suggesting a phishing or malware distribution attempt. The ClamAV detection and ML classifier strongly indicate malicious intent, likely related to phishing or delivering a secondary payload via the embedded JavaScript and external URLs.
Machine Learning
- Nyx PDF Classifier malicious score 0.9980
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://nomylo.ru/uplcv?utm_term=snapchat%2B%2B+2021+android PDF link annotation
- http://alfadent-volg.ru/images_uploads/files/fixinizapubowidagefawupet.pdfIn PDF document text
- http://www.appsolutely.sg/wp-content/plugins/formcraft/file-upload/server/content/files/16141218829006---76883604527.pdfIn PDF document text
- http://mygiftltd.com/userfiles/file/4597525176.pdfIn PDF document text
- http://come2menorca.com/images/file/wodadugamelodumedosupoda.pdfIn PDF document text
- http://billagelaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/30976839768.pdfIn PDF document text
- http://boras-sjuharad.boj.se/uploads/userfiles/files/74631772698.pdfIn PDF document text
- http://dierenwinkelindex.nl/images/uploads/supewi.pdfIn PDF document text
- http://atut-biuro.com/uploaded/file/26735017135.pdfIn PDF document text
- https://hoangvan.vn/wp-content/uploads/files/wuwezexesewukejamamolu.pdfIn PDF document text
- http://hidramaco.com/files/files/gamujin.pdfIn PDF document text
- http://mnarch.it/userfiles/files/xubixogige.pdfIn PDF document text
- http://nuyewrecruitment.com/wp-content/plugins/super-forms/uploads/php/files/f319fd825eaff5f428b8ff7dda427156/15400805020.pdfIn PDF document text
- https://vargyasnekonyveles.hu/kepek/other/file/41292767025.pdfIn PDF document text
- http://octapus.vn/images/uploads/files/43176253752.pdfIn PDF document text
- http://baocaosudanang24h.com/uploads/image/files/234486284.pdfIn PDF document text
- http://sobateracota.ro/mm/file/kararimulubezejufebe.pdfIn PDF document text
- http://benetalent.com/upload/files/53068047110.pdfIn PDF document text
- http://balassalaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/64253942163.pdfIn PDF document text
- https://thepetrichortouch.com/wp-content/plugins/super-forms/uploads/php/files/as7n9cs6ktuffetp002uljvmet/povuminuzem.pdfIn PDF document text
- http://cgpreceptor.com/ckfinder/userfiles/files/44238125853.pdfIn PDF document text
- https://majubesar.com/contents/files/57981513299.pdfIn PDF document text
- http://nassagroup.org/app/webroot/js/ckfinder/userfiles/files/zabenevuliralo.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_off0000e4ce.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE4CE | 10636 bytes |
SHA-256: c9d16cfeebcb0a56e174df7b1f51eb249b40a1bfac90ccd8676419a8248018e7 |
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font_01_sfnt_off0000fd1b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFD1B | 18576 bytes |
SHA-256: 819a663bcc167c4650e01ffd3f950117483b4213cd4605827f03e79dba3d8452 |
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font_02_sfnt_off00012c9e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12C9E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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