MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The presence of an embedded JavaScript stream and numerous external URIs, many of which are on disposable hosting or redirectors, strongly suggests a phishing or malware distribution campaign. The document body, though heavily obfuscated, contains metadata from wkhtmltopdf, suggesting it was generated programmatically to host these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9916
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://irlanc.ru/uplcv?utm_term=shadow+puppet+templates+pdf PDF link annotation
- http://80tner.netsociality.com/upload/files/zodapopodowivepuduxow.pdfIn PDF document text
- http://www.gonouvellezelande.com/files/46530976460.pdfIn PDF document text
- http://clinivetmadonnadirosa.eu/userfiles/files/mibatubigexax.pdfIn PDF document text
- http://7sate.com/filespath/files/20210905100241.pdfIn PDF document text
- https://yourtuscanyguide.com/wp-content/plugins/super-forms/uploads/php/files/hhjuggf2u6ulh0ube6kjfofop6/19200729152.pdfIn PDF document text
- https://n-zvuk.ru/upload/file/60310915646.pdfIn PDF document text
- https://reklama71.ru/upload_picture/lomikexuwemogojusowotewa.pdfIn PDF document text
- https://hoangmailogistics.com/asset/site/files/kogatodiwamivitutebovevox.pdfIn PDF document text
- https://organicearthfiji.com/documents/file/19507766961.pdfIn PDF document text
- http://ambiance-cinema.fr/wp-content/plugins/super-forms/uploads/php/files/a2061bc6552b4d5b77fe6f47e6a54ca9/rivutodamovabit.pdfIn PDF document text
- http://jpind.pl/userfiles/file/xoxozivurewafipof.pdfIn PDF document text
- http://chieusangducphat.com/uploads/userfiles/file/tatimusunonufelulo.pdfIn PDF document text
- https://classconnbio.com/img-jacson/files/76877857243.pdfIn PDF document text
- https://godahoian.com/app/webroot/upload/files/8332311915.pdfIn PDF document text
- https://turkeyinsurance.info/images/file/85446952545.pdfIn PDF document text
- http://lawngo.net/fckfiles/3009316821.pdfIn PDF document text
- https://thanaclusterwestgate.leaddeehub.com/userfiles/files/1951270874.pdfIn PDF document text
- http://nfraccon.org/userfiles/file/jatiwuderugeko.pdfIn PDF document text
- http://www.jasfec.com/imgs/uploads/zixemesapawibugunikaku.pdfIn PDF document text
- https://www.travelknowhowscotland.co.uk/assets/js/ckfinder/userfiles/files/piluvupo.pdfIn PDF document text
- http://www.kickcommerce.com/userfiles/file/12351780235.pdfIn PDF document text
- https://girl0229960192.com/upload/users/files/zoduzitiwoxupamo.pdfIn PDF document text
- http://juncheng.tw/upload/files/21943235648.pdfIn PDF document text
- http://ajeah-intl.org/fck_image/file/wetilumazij.pdfIn PDF document text
- https://flavio-tonon.it/public/file/48914890245.pdfIn PDF document text
- http://tcihk.com/userfiles/fejofigamoxere.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_off0000b4e6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB4E6 | 10728 bytes |
SHA-256: dd7cfc6903b8cad8ad4fe473b05bfaee6389b4904453e19a6475eb7b8c0dfdd8 |
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font_01_sfnt_off0000cda8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCDA8 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000e5ba.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE5BA | 16120 bytes |
SHA-256: cba63e1c7d955dc70098aed097690e47eb014a32e4182b7810746607257e87dc |
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