MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1059.007 JavaScript
T1566.001 Spearphishing Attachment
The sample contains embedded JavaScript, which is a common technique for executing malicious code within PDF documents. The PDF also functions as a link farm, directing users to multiple external URLs hosted on potentially compromised or disposable domains. These factors, combined with ML and ClamAV detections, strongly indicate a malicious phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9988
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 http://epilia.com/upload/FCKEditorfile/mepekawovifovepesajobidur.pdf In PDF document text
- https://masterpieces-mallorca.com/wp-content/plugins/super-forms/uploads/php/files/04264e96b2733d79618edc5aba6737f5/lasopasi.pdfIn PDF document text
- https://alcc.vn/wp-content/plugins/super-forms/uploads/php/files/lgouinh1sfurhkoroici8ibeuc/63659039066.pdfIn PDF document text
- http://architettomontanino.eu/userfiles/files/78145979183.pdfIn PDF document text
- http://www.w.radeton.cz/ckfinder/userfiles/files/71531105758.pdfIn PDF document text
- http://autostyle-japan.com/js/upload/files/dizamatiwajabowijowirufa.pdfIn PDF document text
- http://pck.malopolska.pl/wp-content/plugins/super-forms/uploads/php/files/d9781d0b4d8e3b0e1f9a55a3365434ec/59094197103.pdfIn PDF document text
- https://zlato-eu.cz/upload/files/kowibalivikifipum.pdfIn PDF document text
- http://ultrabeauty-ff.ru/userfiles/file/vixisafo.pdfIn PDF document text
- https://asiahealthcaredentalcentre.com/ckfinder/userfiles/files/77567054883.pdfIn PDF document text
- http://schuetzenfest-hemeringen.de/ablage/userfiles/files/82811657665.pdfIn PDF document text
- https://chung-pei.com/userfiles/file/16326394497.pdfIn PDF document text
- http://associatedreclaimed.reclaimedoils.com/userfiles/files/xibibawipili.pdfIn PDF document text
- https://bodzlomu.com/userfiles/file/55420502450.pdfIn PDF document text
- https://mbamantra.com/ci/userfiles/files/pivalofabakawari.pdfIn PDF document text
- https://binhvi.com/upload/files/zenutosen.pdfIn PDF document text
- http://corporatiegids.nl/uploads/files/garulevobel.pdfIn PDF document text
- http://sameiroeventos.pt/ficheiros/11461511194.pdfIn PDF document text
- https://portecitadelle.portecitadelle.ca/ckfinder/userfiles/files/89290432931.pdfIn PDF document text
- http://thingsantiquesla.com/userfiles/files/vimoretitasilisikagemoto.pdfIn PDF document text
- http://mybyblos.com/userfiles/file/zifemadekosevo.pdfIn PDF document text
- https://feedproxy.google.com/~r/Gsjc/~3/23D8k0Ec_6w/uplcv?utm_term=code+academy+javascript+answersPDF 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_off00012edc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12EDC | 20668 bytes |
SHA-256: 433834133e224f337515e909530f35c897b1ad35f386711f79a55e0dc905afa2 |
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font_01_sfnt_off00016575.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x16575 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00017d8c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x17D8C | 11056 bytes |
SHA-256: b3302fd56fb910bff0aebb54113cc9cf938fd62cf4a0da5929c840b80f5d6098 |
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