MALICIOUS
174
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and a high number of external URIs, many of which are hosted on disposable domains, indicating a link farm. The 'SE_PASSWORD_ARCHIVE_LURE' heuristic strongly suggests the document's purpose is to trick the user into downloading a password-protected archive, a common tactic to bypass gateway security. The ML classifier also flagged this PDF as malicious with high confidence.
Machine Learning
- Nyx PDF Classifier malicious score 0.9960
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 https://nvsrolko.org/ckfinder/userfiles/files/sakewulolumox.pdf In PDF document text
- http://jl-vacuum.com/upload/files/3765156697.pdfIn PDF document text
- https://sapporomn.com/userfiles/files/39550410604.pdfIn PDF document text
- http://westernmaki.com/uploads/files/4768799173.pdfIn PDF document text
- http://langeline.com/ckeditor/upload/files/18124288400.pdfIn PDF document text
- http://ominocoibaffi.it/userfiles/files/19242427694.pdfIn PDF document text
- http://www.creativitaecomunicazione.it/js/lib/ckfinder/userfiles/files/55212354801.pdfIn PDF document text
- https://wfca-czech.cz/temp/userfiles/files/gakinobolebozosilefa.pdfIn PDF document text
- https://mut-zur-veraenderung-hambuch.de/userfiles/file/keludolet.pdfIn PDF document text
- https://www.aifimm.it/admin/inc/ckfinder/userfiles/files/lidikoro.pdfIn PDF document text
- https://verredistri.fr/xmedia/file/16536528517.pdfIn PDF document text
- http://jedzenie365.pl/ckfinder/userfiles/files/xiziworazavofidimeliku.pdfIn PDF document text
- https://aicpwdosaeast.com/ckfinder/userfiles/files/sunimu.pdfIn PDF document text
- http://adams-gold.ru/archive/image/file/56707097328.pdfIn PDF document text
- https://petribax.com/userfiles/file/64803967461.pdfIn PDF document text
- http://sabancilojistik.com/userfiles/file/11766901725.pdfIn PDF document text
- https://tims.ro/ckfinder/userfiles/files/watuporiniva.pdfIn PDF document text
- http://galantemontagnana.it/ckfinder/userfiles/files/lidevegekiritogoluwu.pdfIn PDF document text
- http://mfo-fond.ru/ckeditor/ckfinder/userfiles/Images/files/paladotokokujefa.pdfIn PDF document text
- http://avtokit116.ru/!upload/files/33109525215.pdfIn PDF document text
- http://dynamicyunnan.com/ckfinder/userfiles/files/67104177377.pdfIn PDF document text
- http://pcserviszlin.cz/ckfinder/userfiles/files/tixovexusag.pdfIn PDF document text
- http://www.cbs-emballages.com/upload/file/dadilajibel.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/ngfLrbzwjls/uplcv?utm_term=how+to+see+saved+wifi+password+without+rootPDF 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_off0000d961.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD961 | 10688 bytes |
SHA-256: 3989ab0e94cf7cf9474b8b4db4d880222ddbada34d6b9ec0c3e051cc399a6874 |
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font_01_sfnt_off0000f215.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF215 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00010a27.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10A27 | 19240 bytes |
SHA-256: 313241e6ae304c5ed61fbea96aa1de73e7a24d5492a33555f5056d0750bee49f |
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