MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. It contains numerous links, many pointing to compromised WordPress sites, suggesting it functions as a link farm to distribute malicious content or phish users. The document body is heavily obfuscated and unreadable, providing no direct clues to its specific lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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 http://sonnenheizungen.ch/fckeditor/editor/images/file/robinugaragaxagegiraxuj.pdf In PDF document text
- https://forumhotel.by/wp-content/plugins/super-forms/uploads/php/files/2rphr8r430gvu5f2u2lqqdjl11/wamuxabasisabiwepu.pdfIn PDF document text
- https://maloneslandscape.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606c96436e07b---63052932225.pdfIn PDF document text
- https://gauravkankariya.com/wp-content/plugins/super-forms/uploads/php/files/ct30fca8s2464quiqnepk86jd1/91037796937.pdfIn PDF document text
- http://www.elsecretodelolivo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d8654ec3d2---gawoxivo.pdfIn PDF document text
- http://www.johnknox.ch/wp-content/plugins/formcraft/file-upload/server/content/files/1608212169eb78---32390709133.pdfIn PDF document text
- http://getvisa.ru/images/File/4119737869.pdfIn PDF document text
- http://vnos.vn/app/webroot/uploads/files/bipaxarevilerutav.pdfIn PDF document text
- http://www.contectrade.hu/fckfiles/file/97020834971.pdfIn PDF document text
- http://bascobrunswick.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1608bb9f69de79---rinaduvidiwif.pdfIn PDF document text
- https://www.litesourcenc.com/wp-content/plugins/super-forms/uploads/php/files/3975f9109b0fc9d9b3847c2e71aa4642/rivofasenogefo.pdfIn PDF document text
- https://sckprime.com/wp-content/plugins/super-forms/uploads/php/files/b7f28a18b2d6a9ec940b7f8f5e9a7937/43506706381.pdfIn PDF document text
- https://sdyh.gr/wp-content/plugins/super-forms/uploads/php/files/80c24prf8t749jnsj1u0o7of57/jenemofi.pdfIn PDF document text
- https://carpanea.it/wp-content/plugins/super-forms/uploads/php/files/66f5847660bd1fc54ad7d0e2cb8b99c9/guranowewuneraku.pdfIn PDF document text
- https://neavocats.com/wp-content/plugins/super-forms/uploads/php/files/c217374458e012fef2d2b852fe0a5b7b/50636536825.pdfIn PDF document text
- http://ngpsusa.com/wp-content/plugins/super-forms/uploads/php/files/7vkja5gcddkhslhumvgam5uh48/jadakozubatazuv.pdfIn PDF document text
- http://inspiredindianfoundation.org/uploads/89258636915.pdfIn PDF document text
- https://namastehealth.in/wp-content/plugins/super-forms/uploads/php/files/9p3ghaa6dump08ngc5ktnv3shi/29738322372.pdfIn PDF document text
- http://www.sensible-seeds-premium.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d0c6f3033c6---66100609442.pdfIn PDF document text
- http://shavers-boles.com/clients/7/73/73b1ad2e2c85410b7b015c0c79a6caf4/File/dojobetoro.pdfIn PDF document text
- http://alnoorcity.com/userfiles/file/votakoxexi.pdfIn PDF document text
- https://nutritie-metabolism-sanatate.ro/app/webroot/files/userfiles/files/29816175519.pdfIn PDF document text
- https://vinisfarm.com/wp-content/plugins/super-forms/uploads/php/files/4f328de45520decef8d08ca6bdbd894c/reroxoxini.pdfIn PDF document text
- http://goldenpeak.it/userfiles/files/kawixipaxiterap.pdfIn PDF document text
- http://barrarioservicos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1608138d02b796---zuginipenewuzu.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/Om9ozkHLxGw/uplcv?utm_term=digraph+worksheet+3rd+gradePDF link annotation
- 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_off0000dd68.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDD68 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f57a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF57A | 17128 bytes |
SHA-256: ae288fc534c483dc6cb9c97d14216f6fe697cae8f21634bf55773c5fc5eaa341 |
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font_02_sfnt_off0001226c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1226C | 10872 bytes |
SHA-256: ee920e878dc6b604c1295c919994ec84b9c6c3691312422d81fb4dda4573b406 |
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