MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a PDF containing embedded JavaScript, which is a common technique for delivering malicious content. Heuristics indicate the PDF acts as a link farm, directing users to multiple compromised websites hosting other PDF files. The ML classifier and ClamAV detection strongly suggest malicious intent, likely for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9915
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://blsautomation.com/ckfinder/userfiles/files/walaresolibibemafijawadaw.pdf In PDF document text
- https://smwebtechnology.com/arishayurveda.com/userfiles/file/gepogawu.pdfIn PDF document text
- http://kadh.kr/bobod/upload/file/mimawirop.pdfIn PDF document text
- https://studiogreenwich.ru/wp-content/plugins/super-forms/uploads/php/files/1924333c179e52f2cf6600ea8e970652/9085366622.pdfIn PDF document text
- https://lightupalife.org.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16135220c8eb9d---6530164262.pdfIn PDF document text
- http://www.romanschatztruhe.de/img/files/tovelilisobobav.pdfIn PDF document text
- http://zvaracskaskola.eu/editor_uploads/system/files/63196684106.pdfIn PDF document text
- https://castilloexterior.org/ckfinder/userfiles/files/nudipot.pdfIn PDF document text
- http://worldsocialistpartyindia.org/ckfinder/userfiles/files/jazewis.pdfIn PDF document text
- https://ijmscr.com/ckfinder/userfiles/files/48694895179.pdfIn PDF document text
- https://mindweave.co.uk/wp-content/plugins/super-forms/uploads/php/files/9r0f5a8935smj3i16qnnc73dmr/1278660581.pdfIn PDF document text
- https://xn--nmqu14inmf.com/upload/files/42830456028.pdfIn PDF document text
- http://professional-tuner.at/uploaded/file/fipokosovijegiwebaroseme.pdfIn PDF document text
- http://thessalonikiflights.com/files/files/goxuvopixivupaz.pdfIn PDF document text
- https://gikguamerica.com/userfiles/file/sagife.pdfIn PDF document text
- http://enricobarraco.com/files/gemaxili.pdfIn PDF document text
- http://mstreatmentadvances.com/userfiles/files/75087545657.pdfIn PDF document text
- https://adtw1.elfjane.com/ckfinder/userfiles/files/figoranobanomofuxat.pdfIn PDF document text
- https://advance-pack.com/editor_upload/file/saropuxutegivepanalukolaw.pdfIn PDF document text
- http://marinapogon.pl/upload/file/22681130272.pdfIn PDF document text
- http://murasakijr.com/uploads/files/luvizikovetadi.pdfIn PDF document text
- http://hotelbellevuepalermo.com/userfiles/files/sobom.pdfIn PDF document text
- https://chachachat.info/js/ckfinder/userfiles/files/zusaged.pdfIn PDF document text
- https://militarynetwork.ca/wp-content/plugins/formcraft/file-upload/server/content/files/161408fc968cad---degexelesuvigogu.pdfIn PDF document text
- http://yaan121.com/uploads/files/202109151534488678.pdfIn PDF document text
- http://finchamauto.com/pics/mamerige.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/ngfLrbzwjls/uplcv?utm_term=blades+and+rings+mod+apkPDF 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_off0000b6d4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB6D4 | 17232 bytes |
SHA-256: 866fec4b0446457cd85203bffe5092f489caf11c9fec77eedc2b797891bf4a6f |
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font_01_sfnt_off0000e366.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE366 | 10784 bytes |
SHA-256: a706aaf186b0303877b5510f4e0c70099c8ef1c1231e58d2a633bc48001e7de8 |
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font_02_sfnt_off0000fbee.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFBEE | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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