MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by ClamAV as a phishing trojan and a machine learning classifier indicated maliciousness. It contains numerous links to compromised WordPress sites, suggesting a link farm designed to distribute malware or lead users to phishing pages. The document body is heavily obfuscated and unreadable, providing no further context on the specific lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.7897
Heuristics 5
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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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External URI info PDF_URIPDF contains an external URL action
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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://medvor.ru/uplcv?utm_term=p47+wireless+manual+espa%C3%B1ol PDF link annotation
- http://www.farparts.cl/wp-content/plugins/formcraft/file-upload/server/content/files/16095cd3cabe03---vakefulazivapak.pdfIn PDF document text
- http://kruengrangthai.com/files/files/94575090454.pdfIn PDF document text
- http://castudio.eu/userfiles/files/29399933934.pdfIn PDF document text
- http://alexhofford.com/temp/files/file/dosuxufikotupamef.pdfIn PDF document text
- http://mail.teleserviciomalaga.com/ckfinder/userfiles/files/botepisozanamam.pdfIn PDF document text
- http://smithmurdock.com/wp-content/plugins/formcraft/file-upload/server/content/files/160940a5b768df---jebifirazolode.pdfIn PDF document text
- http://poornasreehomeoclinic.com/ckfinder/userfiles/files/4591346533.pdfIn PDF document text
- https://pingthye.com/userfiles/files/pibusukaletokoxobare.pdfIn PDF document text
- http://www.gradur.ba/wp-content/plugins/formcraft/file-upload/server/content/files/160d643725f605---36808168991.pdfIn PDF document text
- http://avstralianature.ru/ckfinder/userfiles/files/68812282358.pdfIn PDF document text
- http://www.anclupnapoli.it/userfiles/file/32789399962.pdfIn PDF document text
- https://forumhotel.by/wp-content/plugins/super-forms/uploads/php/files/9jfgpv8egsqjju7pg5vgudusv6/31704284235.pdfIn PDF document text
- http://payassistinc.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607aface2fdf7---fikax.pdfIn PDF document text
- https://master.plus/wp-content/plugins/super-forms/uploads/php/files/d6608c8f040539eec2a25bd97d07c448/gafekola.pdfIn PDF document text
- https://journeypeople.cc/wp-content/plugins/super-forms/uploads/php/files/2496b24934890e7e5d2c8698d572fc69/47263304912.pdfIn PDF document text
- http://hkt-optics.com/hkt/images/userfiles/file/xijunu.pdfIn PDF document text
- https://rhodium.vn/uploads/news_file/78396334607.pdfIn PDF document text
- http://bjxbw.cn/userfiles/file/nifedelukez.pdfIn PDF document text
- http://penzionriverside.cz/files/file/damesusafujipi.pdfIn PDF document text
- http://mko-yug.ru/wp-content/plugins/super-forms/uploads/php/files/c3432acbb8a4b0a5db90e51300f19340/61109531264.pdfIn PDF document text
- https://www.coconutlodge.com/wp-content/plugins/formcraft/file-upload/server/content/files/16086ac5ae91d6---89001874610.pdfIn PDF document text
- http://kozelskadm.ru/files/uploads/files/36771619154.pdfIn PDF document text
- https://alatheir.com/atheirwsfiles/file/99514102090.pdfIn PDF document text
- http://ttlengenharia.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160cf0a7ef099e---75298692562.pdfIn PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000104e3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x104E3 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00011cfa.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11CFA | 10836 bytes |
SHA-256: e186659bfd21272a08b92e5bf5be5725474781d4e054a6303d8ab5094ebe7f5d |
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