MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a PDF file containing embedded JavaScript and a link farm pointing to multiple compromised websites. The ML classifier and ClamAV detection strongly indicate malicious intent. The embedded JavaScript likely serves to download and execute a second-stage payload, while the link farm aims to redirect users to potentially malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9966
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://hpx.com.ua/wp-content/plugins/super-forms/uploads/php/files/449b0bbac06e055c415ebbd7650acc26/38211536785.pdf In PDF document text
- https://viettincapital.vn/upload/files/poferexajiwumirazudabe.pdfIn PDF document text
- https://ice-group.pl/userfiles/file/susot.pdfIn PDF document text
- https://www.shamshabaddiocese.org/files/js/ckfinder/userfiles/files/tadotenuzajet.pdfIn PDF document text
- http://xn--80affcyoc0ac1f6a.xn--p1ai/admin/modules/ckeditor/ckfinder/userfiles/files/kagut.pdfIn PDF document text
- https://homeaestheticsllc.com/wp-content/plugins/super-forms/uploads/php/files/6be475f6b2314723b7bf5dcbd50f70ef/26164689643.pdfIn PDF document text
- https://avukatwebsitesi.kocgrafik.net/upload/files/luwazonofuratativazimofu.pdfIn PDF document text
- https://sunridgecorp.com/uploads/files/202109130721423372.pdfIn PDF document text
- https://cananalimdar.com/wp-content/plugins/super-forms/uploads/php/files/j4gti1ad5el2lhkqoq94gk0m3l/zawokukefesenitejadu.pdfIn PDF document text
- https://futuresbuilder.net/dayafter/uploadimages/newsimages/file/silijewupebawelitito.pdfIn PDF document text
- http://ih-consultant.com/ckfinder/userfiles/files/tanosatabi.pdfIn PDF document text
- http://queuemanagementsystems.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613b4f8508b8b---zikivuzebatuvuninir.pdfIn PDF document text
- https://123kozijnofferte.nl/wp-content/plugins/super-forms/uploads/php/files/9cd61f67928d6aa728495cd62a64583b/69129213651.pdfIn PDF document text
- https://wct.goldcrownresort.com/magazine_files/files/gidowelogog.pdfIn PDF document text
- https://gimenezricarte-deltabogados.com/ckfinder/userfiles/files/jupobirejejufe.pdfIn PDF document text
- http://homeopathyhk.com/files/1819898311.pdfIn PDF document text
- http://studiopol.com/userfiles/files/60718692670.pdfIn PDF document text
- http://h-st.nl/bestanden/files/64124148791.pdfIn PDF document text
- http://caminodesantiagoenmoto.com/assets/ckfinder/core/connector/php/uploads/files/dirugiro.pdfIn PDF document text
- http://nfraccon.org/userfiles/file/83301944049.pdfIn PDF document text
- http://teleinwestor.com/userfiles/file/18359523110.pdfIn PDF document text
- http://trungtinjsc.vn/upload/FCK/file/69954042236.pdfIn PDF document text
- http://pyramidplaster.com/file_media/file_image/file/91584339223.pdfIn PDF document text
- http://tsuiteru66.com/userfiles/file/gupuridafedi.pdfIn PDF document text
- https://srsatta.com/ckfinder/userfiles/files/mivanufure.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/3vuEKuznOb8/uplcv?utm_term=space+jam+full+movie+free+englishPDF 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_off00014eb4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14EB4 | 19864 bytes |
SHA-256: 29b36aa01a572f16c3a864c4b1d06ea56f43d5f523701166bce24abe5aac5c98 |
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font_01_sfnt_off00018297.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x18297 | 11200 bytes |
SHA-256: e8686831e3d2f753d510dd186fda14e7ee031c707d4c53af7e5c707c03949d8e |
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font_02_sfnt_off00019c93.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x19C93 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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