MALICIOUS
174
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and multiple external links, with one heuristic specifically identifying it as a 'Password-protected archive handoff' lure. This suggests the document's primary purpose is to trick the user into downloading a password-protected file, likely to bypass security controls. The embedded JavaScript and the nature of the links point towards a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9981
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://biogenetec.tw/image/files/20210901_071558.pdf In PDF document text
- https://zmiz.hr/userfiles/file/xexubulobubojeka.pdfIn PDF document text
- http://bptramptour.pl/files/file/taboxaxididemeka.pdfIn PDF document text
- http://dreamwith.gni.kr/ckupload/files/dafunada.pdfIn PDF document text
- http://nachhilfeschule.havonix.com/ckfinder/userfiles/files/matotofopav.pdfIn PDF document text
- https://www.zolmedis.lt/ckfinder/userfiles/files/nitenufojuto.pdfIn PDF document text
- http://t-p-fortune.com/userfiles/file/kawefomiwixowato.pdfIn PDF document text
- http://postelezmasivu-brno.com/ckfinder/userfiles/files/zifimigopexo.pdfIn PDF document text
- https://bhiringisamsankalimandir.org/userfiles/file/5661421115.pdfIn PDF document text
- https://samoinstitute.mn/uploads/assets/file/77120386225.pdfIn PDF document text
- http://stopasbestos.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1612ffb7d95755---63442812148.pdfIn PDF document text
- http://eastindiaspray.com/suvra/eastindia_spray/files/xoseli.pdfIn PDF document text
- http://sevenseahotel.com/uploads/images/files/6959488173.pdfIn PDF document text
- http://www.masozilina.sk/ckfinder/userfiles/files/9635893231.pdfIn PDF document text
- http://askort.pl/Upload/file/9061172149.pdfIn PDF document text
- https://villanakarin.com/userfiles/files/sekuwalonetalesifutax.pdfIn PDF document text
- https://thesmithgrouphouston.com/wp-content/plugins/super-forms/uploads/php/files/35458333081f9bbc72ad7e1112c829a9/tufepezetigimusaw.pdfIn PDF document text
- http://01host.ru/userfiles/files/26394201530.pdfIn PDF document text
- http://1mosref.ru/ckfinder/userfiles/files/rufajorukal.pdfIn PDF document text
- https://afra24.com/basefile/afra24/files/vewavuvekonan.pdfIn PDF document text
- http://korea-seals.com/ckfinder/userfiles/files/59868560960.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/A3Ryygt5BCM/uplcv?utm_term=open+password+protected+pdf+onlinePDF link annotation
- https://www.assessment.unibe.ch/app/webroot/js/ckfinder/userfiles/files/likesepiw.pdfIn PDF document text
- 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_off0000e064.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE064 | 17204 bytes |
SHA-256: 346b69d4069ab8640489cf24d83027a71d207756a317d16b07d5cd5a6dbf93d5 |
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font_01_sfnt_off00010cbf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10CBF | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000124d6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x124D6 | 10724 bytes |
SHA-256: 10318c6bae149a2f02c56121ed0dd0b64f53f6105469bff1a159b5c0714593af |
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