MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and numerous external URIs, many of which are part of a link farm hosted on compromised or disposable domains. The ML classifier and ClamAV detection strongly indicate malicious intent, likely for phishing or distributing further malware. The embedded JavaScript is a common technique for initiating malicious actions within PDFs.
Machine Learning
- Nyx PDF Classifier malicious score 0.9964
Heuristics 7
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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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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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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://laborke.ru/uplcv?utm_term=live+stream+player+pro+apk+cracked PDF link annotation
- https://gea99.com/ckfinder/userfiles/files/tijatubivise.pdfIn PDF document text
- https://123kozijnofferte.nl/wp-content/plugins/super-forms/uploads/php/files/8228e9e984f1887088acdd00cba8ea1f/50458112021.pdfIn PDF document text
- https://xn----7sbeo1acdy3adh.xn--p1ai/userfiles/file/kevugani.pdfIn PDF document text
- http://webspace.mysdam.net/images/newsletter/files/89509288452.pdfIn PDF document text
- http://gvs-russia.ru/admin/ckfinder/userfiles/files/fimoramumivabokututusoko.pdfIn PDF document text
- http://learnazia.com/fck/imagesfile/87895667823.pdfIn PDF document text
- http://m2m2design.com/userfiles/pirawarifenunok.pdfIn PDF document text
- https://cncunse.com/d/files/pivitonutinojizuzu.pdfIn PDF document text
- http://flyingwedge.com/uploads/assets/file/sulovelafekidulumu.pdfIn PDF document text
- https://lacausedeslivres.com/userfiles/file/jebunimenolopopawesuv.pdfIn PDF document text
- https://dellrein.ru/content/file/zidal.pdfIn PDF document text
- http://www.phsdcenter.com/temp/js/ckfinder/userfiles/files/wibilarutedewegovegasobi.pdfIn PDF document text
- https://ce-mi.pl/uploads/userfiles/files/teruzukawavimuwuw.pdfIn PDF document text
- http://finalstage.biz/js/upload/files/22880960072.pdfIn PDF document text
- https://newdesert.pl/userfiles/file/nibefaxevubum.pdfIn PDF document text
- http://torremaggiore.sitmap.it/files/files/32833783537.pdfIn PDF document text
- http://goldsunjsc.com/upload/files/19332612845.pdfIn PDF document text
- http://studiotecniconuti.it/userfiles/files/90487895993.pdfIn PDF document text
- https://www.c2commercial.com/wp-content/plugins/super-forms/uploads/php/files/ae708d743e472287cfe3df4bc5cf92f5/buvavozabevixu.pdfIn PDF document text
- https://www.helpagesl.org/wp-content/plugins/formcraft/file-upload/server/content/files/1613083b2c5ee9---mipojaxabulu.pdfIn PDF document text
- https://qamarapps.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612f5d604a991---suxozogodi.pdfIn PDF document text
- https://laundrybyconrads.com/nbloom/fckuploads/file/fofizenagusub.pdfIn PDF document text
- http://holmeslawfirm-iowa.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/73762783252.pdfIn PDF document text
- http://torremaggiore.sitmap.it/files/files/zivit.pdfIn PDF document text
- https://akamercedes.com/images/uploads/files/11009650288.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_off0000ddd1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDDD1 | 10800 bytes |
SHA-256: 075e70f659b10d3c22d8a4ed98e2560dacf5c8cf36adace0b61455e1f42434cb |
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font_01_sfnt_off0000f6d0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF6D0 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00010ee2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10EE2 | 17476 bytes |
SHA-256: 1b37d73453d7d68bc57cde71585001164ec316fbb101dd7853979627f121f5d2 |
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