MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1059.007 JavaScript
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript, a common technique for executing malicious code within documents. It also features a large number of external URLs, many of which are hosted on disposable domains, suggesting a phishing or malware distribution campaign. The ML classifier and ClamAV detection strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9940
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://philabc.ru/uplcv?utm_term=popping+ads+on+android PDF link annotation
- https://jck.ro/userfiles/file/dolopefapadusodozofi.pdfIn PDF document text
- http://aviapartner.biz/js/ckfinder/userfiles/files/92878849677.pdfIn PDF document text
- https://godparents4tz.org/home/god/public_html/ckfinder/userfiles/files/lonotudiziresigefe.pdfIn PDF document text
- http://progettogeometra.it/userfiles/files/39590877762.pdfIn PDF document text
- http://mijinmotor.com/fckeditor/userfiles/file/90901958294.pdfIn PDF document text
- https://partnyor.az/userfiles/file/mofedojuvolalopi.pdfIn PDF document text
- http://taociren.com/upload/file/210910181457695376p02yv1d7i9rv.pdfIn PDF document text
- http://ues-rb.ru/themes/ues-rb.ru/files/dizemutuze.pdfIn PDF document text
- http://udelimpa.es/ckfinder/userfiles/files/dibizafib.pdfIn PDF document text
- http://mid-europe-ex.com/images/blog/file/58473983864.pdfIn PDF document text
- https://doitsolutions.co/wp-content/plugins/super-forms/uploads/php/files/3bae34afec5edb42e48db530f3b26ef5/61021048800.pdfIn PDF document text
- http://osteriadelcampanile.com/userfiles/files/35192644988.pdfIn PDF document text
- http://xn--hy1bt45apoap01a.net/jangheung/userfiles/file/ruxubapoxabaz.pdfIn PDF document text
- http://russkiivopros.com/images/FCKeditor/file/51085959443.pdfIn PDF document text
- http://phatnang.com/media/ftp/file/70959300043.pdfIn PDF document text
- http://eyupsifalibitkiler.com/resimler/files/punamigovuxabutebizisevi.pdfIn PDF document text
- http://sbkf.org/files/files/18751460517.pdfIn PDF document text
- http://appartementslisa.it/an3_Uploads/file/zabirepanut.pdfIn PDF document text
- http://www.iso-clean.fr/wp-content/plugins/formcraft/file-upload/server/content/files/161363d041fb3c---38840809053.pdfIn PDF document text
- http://obkladacstvikolar.com/content/sinufuxizujonivajesekab.pdfIn PDF document text
- http://kayapalinakliyat.com/file/zewabakiru.pdfIn PDF document text
- http://fatfailogistics.com/fckeditor/files/file/zidasawon.pdfIn PDF document text
- https://ykitraders.com/UserFiles/file/29820055863.pdfIn PDF document text
- https://sensesgrouphk.com/louis/STARKGROUP/ckfinder/userfiles/files/lajasawudufiveseludebep.pdfIn PDF document text
- http://moscowballet.ru/userfiles/file/6349019708.pdfIn PDF document text
- http://orvosvalaszto.hu/uploads/files/masikavojofivikoze.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_off0000b8fd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB8FD | 17644 bytes |
SHA-256: 74650ec56f0ee9e7a5ad8adeb3f8a654aceb898f35002218e446b7957498b442 |
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font_01_sfnt_off0000e68a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE68A | 10292 bytes |
SHA-256: 9ab583d7b1ad14ca9a1402f8ff0ef826bba822439326a855d731240836e9fe93 |
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font_02_sfnt_off0000fd93.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFD93 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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