MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a PDF file identified as malicious by ClamAV and an ML classifier. It employs an image-only lure, typical of phishing, to entice users to click on a link. The PDF contains embedded JavaScript, suggesting an attempt to execute malicious code or redirect the user to a malicious site. Multiple external URLs were extracted, indicating a potential distribution network.
Machine Learning
- Nyx PDF Classifier malicious score 0.9955
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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Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LUREPDF has 1 image(s), only 0 text block(s), carries a click-outward action, and is only 67 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
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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://casaledellasignora.it/userfiles/files/jetuniguf.pdf In PDF document text
- https://sharidendesignasphalt.com/wp-content/plugins/super-forms/uploads/php/files/632908c7a5ab3c1c7647b4f1861a018f/14830142937.pdfIn PDF document text
- https://rmduncanrealty.com/userfiles/files/vipaworimujarabelajevaxo.pdfIn PDF document text
- http://ncfc.com.tr/ckfinder/userfiles/files/kunibajemono.pdfIn PDF document text
- http://ogledalata.bg/uploads/pages/files/94221148411.pdfIn PDF document text
- https://vanphongphampmc.com/upload/files/xomokanusaribafesuz.pdfIn PDF document text
- http://to-kajihan.net/js/upload/files/76065976988.pdfIn PDF document text
- http://4bx.pl/public/file/wisigilorudowomebewin.pdfIn PDF document text
- http://hoanggiaphatland.com/uploads/image/files/31738126336.pdfIn PDF document text
- http://architettoletiziamasciotta.eu/userfiles/files/zasedubatavi.pdfIn PDF document text
- http://debandhelder.nl/ckfinder/userfiles/files/rijiwapi.pdfIn PDF document text
- http://owop.challengersports.com/ckfinder/userfiles/files/75324837845.pdfIn PDF document text
- http://sasmedm.com/www/js/ckfinder/userfiles/files/dibokedododadulutega.pdfIn PDF document text
- http://baliretreatcenter.com/olabali_ci/media/images/newsfiles/xafenupozipisotaza.pdfIn PDF document text
- http://xn----7sbezcba9a5aggb3j.xn--p1ai/ckfinder/userfiles/files/goluwoxurufederal.pdfIn PDF document text
- https://vietnaminsight.biz/ckfinder/userfiles/files/fopiselulu.pdfIn PDF document text
- http://phuwangnam.com/user_file/file/tepuduvi.pdfIn PDF document text
- http://eszixv.hu/ckfinder/userfiles/files/zezagerozimuloxemeb.pdfIn PDF document text
- http://barbusci.it/maisUserFile/file/giwafuvokugupotun.pdfIn PDF document text
- https://norservis.com/files/files/duvogubipikisaponujediv.pdfIn PDF document text
- https://fishboat.hr/files/95623699084.pdfIn PDF document text
- http://xn--80aejmo0alc.xn--p1ai/ckfinder/userfiles/files/26892342870.pdfIn PDF document text
- http://lso-msm.fr/userfiles/file/newove.pdfIn PDF document text
- https://ihappywash.com/uploads/files/202109120842529466.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/PmAiG5ZyT-k/uplcv?utm_term=pikashow+app+linkPDF 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_off0000ad55.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAD55 | 13856 bytes |
SHA-256: 5866cbb1dc1950335947211fa3aa4a36673729eef5a0dcfb49deef05e78fa5a6 |
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font_01_sfnt_off0000cfd3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCFD3 | 10196 bytes |
SHA-256: 48ebd4f7707b05884127c3872c2de9eab1711c0cfd6032ce4a8922bddf79f046 |
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font_02_sfnt_off0000e6a2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE6A2 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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