MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample was identified as malicious by ClamAV and an ML classifier, with heuristics indicating embedded JavaScript and a link farm structure. The PDF contains numerous external URIs pointing to potentially malicious content, suggesting a phishing or malware distribution attempt. The embedded JavaScript stream is a common vector for executing malicious code within PDFs.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
Heuristics 6
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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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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://laborke.ru/uplcv?utm_term=emotional+intelligence+daniel+goleman+full+book+pdf+free+download PDF link annotation
- http://archetipoingegneria.it/userfiles/files/40677015177.pdfIn PDF document text
- http://utcsp.rustyramone.com/uploads/files/fekatodezagipozuvesezevu.pdfIn PDF document text
- http://theydeserveastamp.org/wp-content/plugins/formcraft/file-upload/server/content/files/1613f7611a9cac---rabamubalogogazo.pdfIn PDF document text
- http://unite-chem.cn/upload/files/80192064226.pdfIn PDF document text
- https://xn--b8qxb801j.tw/upload/files/9172272334.pdfIn PDF document text
- http://bkmarine.net/ckfinder/userfiles/files/1630928633.pdfIn PDF document text
- http://ambcavallon.eu/userfiles/files/44623305688.pdfIn PDF document text
- http://bankerz.in/qpic/files/risesisurefidumesatemine.pdfIn PDF document text
- http://agierresrl.it/userfiles/files/90663917903.pdfIn PDF document text
- http://giprozdraw.ru/ckfinder/userfiles/files/23993636928.pdfIn PDF document text
- http://www.fishandcosolicitors.com/uploads/files/wurutuxemezeros.pdfIn PDF document text
- https://austarpharma.austarchina.com/upload/files/sosotopamazevule.pdfIn PDF document text
- https://stop-remont.ru/ckfinder/userfiles/files/63362125984.pdfIn PDF document text
- https://repetitorebi.ge/userfiles/files/barunufesizipixoramox.pdfIn PDF document text
- http://myphamhelios.vn/luutru/files/56026292023.pdfIn PDF document text
- https://floridagreatescape.com/media/file/54640138524.pdfIn PDF document text
- http://sunmoon-glory.com/web/upload/files/zavulate.pdfIn PDF document text
- http://scoutpate.com/userfiles/file/75424487246.pdfIn PDF document text
- https://www.denisonlandscaping.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612ebaa500937---70768470663.pdfIn PDF document text
- http://avtokapriz42.ru/userfiles/file/ditatefagerudanari.pdfIn PDF document text
- http://idolyokocho.com/js/ckfinder/userfiles/files/85706869761.pdfIn PDF document text
- https://miguktour.com/FileData/ckfinder/files/20210901_9C4B1421071E4A70.pdfIn PDF document text
- http://szkolaprzybranowo.pl/ckfinder/userfiles/files/1211601880.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_off0000e399.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE399 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000fbab.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFBAB | 18364 bytes |
SHA-256: 6baab5684bf3d5dd78310c7b3cfb415d59fafe21663b6fbe526902db3628fa7e |
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font_02_sfnt_off00012ab9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12AB9 | 11196 bytes |
SHA-256: 282ed220deb6fb5c78a7d030f9f40defcf6665228314a0c2575003e3219c5b68 |
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