MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was flagged as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The file contains numerous links to compromised websites, suggesting it is part of a phishing or malware distribution campaign. The presence of external URIs and link farms on disposable hosting further supports this assessment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9990
Heuristics 6
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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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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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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://coretry.ru/uplcv?utm_term=chlorine+in+the+periodic+table
- https://walterchiropracticclinic.com/home/walter/public_html/ckfinder/userfiles/files/92518562581.pdf
- http://timatey.kz/wp-content/plugins/super-forms/uploads/php/files/cklrh71qjomsr1qqbvnl22qr72/13935205661.pdf
- http://ever-pioneer.com/upload/files/95987192349.pdf
- http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606cf1bc75fa6---2202921199.pdf
- http://chapelguild.com/images/usr/xomemodoxovabetiwusefabof.pdf
- http://kamkmori.cz/ckfinder/userfiles/files/risekawurusivilebakudaru.pdf
- http://novelinternationalschool.com/ckfinder/userfiles/files/parilojetej.pdf
- https://fortlauderdale-carservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609b9275a1d0d---8908077767.pdf
- https://rajaketiga.com/contents//files/8062667015.pdf
- http://jyotiacademicpress.org/uploads/file/29038306885.pdf
- https://adbadog.com/wp-content/plugins/super-forms/uploads/php/files/32e91c0bc83c7c0acb5d065f36d2b114/taduginojigifewuzetupad.pdf
- http://www.thebetterinsurance.com/wp-content/plugins/formcraft/file-upload/server/content/files/16109365b67807---50860079700.pdf
- https://feniks9.ru/ckfinder/userfiles/files/finip.pdf
- http://master-br.ru/img/file/78021837835.pdf
- https://muguet.fr/sites/default/files/file/74792212439.pdf
- http://ypperfect.com/ckfinder/userfiles/files/53231323467.pdf
- http://kythuatviet.vn/uploads/userfiles/file/40330739413.pdf
- https://neavocats.com/wp-content/plugins/super-forms/uploads/php/files/39639e9908993e11a12136e50ac43871/xodugebogabijobuf.pdf
- http://pro-group.ru/userfiles/files/15164202984.pdf
- https://jesssmithtri.com/jesssmith/ckfinder/userfiles/files/liponaxataxadimisemozos.pdf
- https://frennphotography.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608ae259ba707---darafudu.pdf
- http://www.platformliften.info/wp-content/plugins/formcraft/file-upload/server/content/files/160c85504d6621---vojexegewisebo.pdf
- http://superplasticizer.cn/d/files/89722682042.pdf
- http://yuha.be/_files/file/15218921078.pdf
- http://ventilatoryzlin.cz/images/file/33594114074.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000dc34.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDC34 | 16792 bytes |
font_01_sfnt_off0000f446.bin6a5f20e6b3900f64a97c1295edf4fd14c65effa7708d54634cb25cc75b5f728e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF446 | 19468 bytes |
font_02_sfnt_off00012769.bin90e5e8f779c3087791be99dc4c642e3b7a14f87a59ea0dfaa442a6773ebf5533 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12769 | 10616 bytes |
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