MALICIOUS
162
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and numerous external links, many of which point to PDFs hosted on potentially disposable domains, indicating a link farm or phishing lure. The ML classifier and ClamAV detection strongly suggest malicious intent, likely to trick users into downloading further malicious content or visiting phishing sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9985
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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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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QR-code redirect lure medium SE_QR_LUREDocument instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
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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://stluciachamber.org/uploadedImages/contentImg/file/41524558297.pdf In PDF document text
- http://nwhouse.ru/uploads/file/mitopisaguzotodixixuvav.pdfIn PDF document text
- http://atomicattack.com/atomic/fckimages/file/raxudabugiso.pdfIn PDF document text
- https://www.isgs.org/wp-content/plugins/super-forms/uploads/php/files/f5621c62c2e2fdab19e588e9152eb8f7/rezopo.pdfIn PDF document text
- http://toonesk.com/upload/xuzadinumubemivured.pdfIn PDF document text
- http://nriloan.jctoursandtravels.in/files/2251902855.pdfIn PDF document text
- https://leise.ru/admin/ckfinder/userfiles/files/gavolimivolipenizevazi.pdfIn PDF document text
- http://indianspringhomes.com/userfiles/files/59583557262.pdfIn PDF document text
- http://baovekhucongnghiep.com/upload/files/91309829714.pdfIn PDF document text
- https://tonmathunglan.vn/upload/files/59047711086.pdfIn PDF document text
- https://suadienlanhhanoi.net/upload/files/wuruvoxokutifemanobemupes.pdfIn PDF document text
- http://xn--djr00fsyfv0o5qgy9u.com/filespath/files/20210905100551.pdfIn PDF document text
- http://www.azurwelcomeservices.com/userfiles/file/93895000691.pdfIn PDF document text
- http://www.tobywells.org/media/fckdir/file/kolanotetugijorom.pdfIn PDF document text
- http://vollaracis.com/UserFiles/file/dovonalamobarimolixex.pdfIn PDF document text
- http://eichler-kammerer.de/telufifonik.pdfIn PDF document text
- http://dobraukraina.org/sites/all/sites/dobraukraina.org/files/19945217887.pdfIn PDF document text
- https://dadesigning.com/daduserfiles/files/waloxusosawisutumovafexa.pdfIn PDF document text
- https://www.alitec.es/js/ckfinder/userfiles/files/19774209445.pdfIn PDF document text
- http://crisismobile.com/ckfinder/userfiles/files/45393267372.pdfIn PDF document text
- http://issaproject.com/app/views/panel/ckfinder/userfiles/files/rinugotojoriwiwim.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/GLLx1DTH0VQ/uplcv?utm_term=snake+video+app+download+nowPDF 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_off0000dedc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDEDC | 18096 bytes |
SHA-256: 1f51b719790f636501ae996e1281273cdfa31a5a1272fe79ed572a79d09770e8 |
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font_01_sfnt_off00010db3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10DB3 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000125ca.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x125CA | 10340 bytes |
SHA-256: 2145318de2136621e3dfa235abbcf50da13660b7836015e0a74984c696d98400 |
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