MALICIOUS
182
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains embedded JavaScript and multiple external URIs, indicating an attempt to download and execute a payload. The presence of heuristics like 'SE_PASSWORD_ARCHIVE_LURE' and 'SE_DOWNLOAD_BUTTON' strongly suggests a phishing or social engineering attack designed to trick the user into downloading malware, possibly disguised as a legitimate file requiring a password. The ML classifier and ClamAV detection further confirm the malicious nature of the file.
Machine Learning
- Nyx PDF Classifier malicious score 0.9993
Heuristics 8
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://clarklawtexas.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/bijepugujow.pdf In PDF document text
- https://advantage.ee/media/contents/file/79825907980.pdfIn PDF document text
- http://rosniyom.com/userfiles/files/8703005901.pdfIn PDF document text
- https://mptradingcompany.com/userfiles/file/gimewowupeta.pdfIn PDF document text
- http://www.swaving-stalinrichting.nl/ckfinder/userfiles/files/48092634402.pdfIn PDF document text
- http://epoptavky.com/is/images/FCKeditor/File/dubex.pdfIn PDF document text
- http://gekon.net/userfiles/file/67739116413.pdfIn PDF document text
- http://himalayakebab.com/shipinc/userfiles/files/15291436710.pdfIn PDF document text
- http://sns-russia.ru/userfiles/file/39338305828.pdfIn PDF document text
- http://smenergy.kr/uploaded/file/612956129613a6cbb01682.pdfIn PDF document text
- https://kaparatt.com/images/File/defimexasexusebofobut.pdfIn PDF document text
- http://jycjqj.com/uploadfile/file///2021090811245269.pdfIn PDF document text
- https://dragonexpressml.com/userfiles/files/wezede.pdfIn PDF document text
- http://dogable.de/userfiles/file/94267079819.pdfIn PDF document text
- http://www.centrosanmarco.eu/img/news/files/sopaxirazurazef.pdfIn PDF document text
- http://milcontabil.com.br/wp-content/plugins/super-forms/uploads/php/files/db1ue1iicbvmok1ou7ukhismv4/nukotizas.pdfIn PDF document text
- http://www.psstrecno.sk/wp-content/plugins/formcraft/file-upload/server/content/files/161327035de646---punupojixafuxowosesadupa.pdfIn PDF document text
- https://vettercycles.ch/userfiles/files/goxovebagoduwixatogek.pdfIn PDF document text
- https://bankkartya.hu/js/ckfinder/userfiles/files/soronenimiwinusik.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/S30rS-6n6vg/uplcv?utm_term=download+windows+loader+extreme+windows+7+ultimate+64+bitPDF 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_off0000d1f5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD1F5 | 11132 bytes |
SHA-256: dbd765712b0b4ca5435a2d83ffbf8de4ea261693b4b74c086166cee74c827d9f |
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font_01_sfnt_off0000ec15.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC15 | 19628 bytes |
SHA-256: 75c989de5e03232d697f268c92a91f336805735f96f78077470745c782c665bd |
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font_02_sfnt_off00011e88.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11E88 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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