MALICIOUS
174
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains an embedded JavaScript stream and numerous external links, many of which point to potentially disposable domains. The 'SE_PASSWORD_ARCHIVE_LURE' heuristic indicates the document likely instructs the user to open a password-protected archive, a common tactic to bypass security filters. The ML classifier and ClamAV detection strongly suggest malicious intent, likely involving the execution of a second-stage payload via the embedded JavaScript.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
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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Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LUREDocument gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
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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://proallprint.com/userfiles/files/birozozabegitiluta.pdf In PDF document text
- http://aisne.proximeo.com/ckfinder/userfiles/files/wosipemovuzakawuf.pdfIn PDF document text
- http://habitat3.eu/userfiles/files/fajuxopolugupe.pdfIn PDF document text
- https://artedeeducar.com.br/ckfinder/userfiles/files/13815495849.pdfIn PDF document text
- https://majubesar.org/contents/files/divejatutubevitovugizofa.pdfIn PDF document text
- http://35ct1.com/images/ckImageFiles/files/13411989784.pdfIn PDF document text
- http://www.de.ruben.pl/ckfinder/userfiles/files/togugekatuzofilot.pdfIn PDF document text
- http://kamienneogrody.com/userfiles/file/13083834503.pdfIn PDF document text
- http://creatinglifeoptions.com/userfiles/files/fewon.pdfIn PDF document text
- https://too.kg/wp-content/plugins/super-forms/uploads/php/files/eae98419e4faec2182d2ff7a6415ed55/65452188491.pdfIn PDF document text
- https://doublehaircenter.com/upload/ckfinder/files/92362084237.pdfIn PDF document text
- http://speckrepej.com/upload/file/46109105059.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16138211bbabf2---jumevagul.pdfIn PDF document text
- https://konferencii.ru/js/ckfinder/userfiles/files/pewusoderavesilizanak.pdfIn PDF document text
- http://ugrctrani.it/userfiles/files/nerovomi.pdfIn PDF document text
- http://trips-in.com/ckupload/files/91654123032.pdfIn PDF document text
- https://funbugs.ie/files/file/nosonulojomoxiri.pdfIn PDF document text
- http://stihoplet.by/upload/editor/files/54851321796.pdfIn PDF document text
- http://lineshare.net/upload/files/20210907110105.pdfIn PDF document text
- http://tageedesign.com/ssmpt/documents/file/nuwinobadaripixetulez.pdfIn PDF document text
- http://getdol.com/page_data/file/15936209758.pdfIn PDF document text
- https://vyaspublicschool.com/ckfinder/userfiles/files/pekin.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/fzgW7-mxBc0/uplcv?utm_term=8227l_demo+factory+settingsPDF 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_off0000f493.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF493 | 20636 bytes |
SHA-256: e8380341cd1668b1224026954bc2df6b06a5797815c435b2a6e4916de0121778 |
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font_01_sfnt_off00012b95.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12B95 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000143ac.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x143AC | 11244 bytes |
SHA-256: 2389ebc84c9b605c4c0131361a39ec6a54aca4e2cb002ad911a3cfe8ed5e85b2 |
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