MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript, which is a common technique for executing malicious code within documents. The presence of numerous external URLs, including one pointing to 'queure.ru' with a 'android+theme+download+apk' parameter, suggests a lure to trick users into downloading further malicious content. The ClamAV detection and ML classifier strongly indicate malicious intent, likely involving the download and execution of a second-stage payload.
Machine Learning
- Nyx PDF Classifier malicious score 0.9982
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://queure.ru/uplcv?utm_term=android+theme+download+apk PDF link annotation
- http://www.sunarpazarlama.com/wp-content/plugins/super-forms/uploads/php/files/028td6r43qbpj8m4btb8te3fj1/nufonewosapamoredolujina.pdfIn PDF document text
- http://asavn.vn/uploads/userfiles/files/ligegibusus.pdfIn PDF document text
- https://copab.tn/216mag.svn/uploads/files/57009089019.pdfIn PDF document text
- http://dspec-car.com/js/upload/files/pabugezakagogogevovar.pdfIn PDF document text
- http://humansharehouse.com/userData/board/file/15593365430.pdfIn PDF document text
- http://maradonasalud.com.ar/ckeditor/ckfinder/userfiles/files/zudogi.pdfIn PDF document text
- http://leruichem.com/upload/files/dusalafesiwe.pdfIn PDF document text
- http://aquitaine.annuaire-regional.com/ckfinder/userfiles/files/45803324495.pdfIn PDF document text
- http://studiosaletta.it/userfiles/files/54807017117.pdfIn PDF document text
- http://getampedmag.com/ckfinder/userfiles/files/11985444688.pdfIn PDF document text
- https://www.huaikrachaohospital.go.th/assets/global/lib/ckfinder/userfiles/files/52413497130.pdfIn PDF document text
- https://banderlogclub.ru/Files/file/xoloko.pdfIn PDF document text
- http://cl-pub.com/files/files/63243939551.pdfIn PDF document text
- https://cnn-logistics.com/asset/files/55942747391.pdfIn PDF document text
- http://dotacjedlaoze.pl/userfiles/file/35834655456.pdfIn PDF document text
- http://pandoraecza.com/genelresimler/file/resujexetibenaf.pdfIn PDF document text
- http://skuplaptop.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1613b50283507b---4471317360.pdfIn PDF document text
- https://a-guskov.ru/uploads/files/bejofififipe.pdfIn PDF document text
- https://webmenuplus.com/images/file/fowojiligikaxafebodoraviw.pdfIn PDF document text
- http://www.fdconsult.qa/public/uploads/cms_files/fewiwuwejakezume.pdfIn PDF document text
- http://ohana1bbq.com/uploads/files/96837434783.pdfIn PDF document text
- http://pyroglobal.sk/app/webroot/files/userfiles/files/24270658926.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_off0000b090.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB090 | 10648 bytes |
SHA-256: 6520b40ae01e3968214a3f3513973cf4ac8fcf05bbfd2a793b7f8e0827c927b9 |
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font_01_sfnt_off0000c8c1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC8C1 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000e0d3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE0D3 | 14660 bytes |
SHA-256: 4c16d2527682d1a058bef9ee229a29f381b94fabfc6882377f15f98ee5092ea1 |
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