MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous links, many pointing to compromised websites or disposable hosting, suggesting a link farm or phishing lure. The document body is heavily obfuscated, preventing a clear understanding of its specific intent beyond directing users to external sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9957
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://j-club.eu/userfiles/file/37957273201.pdf In PDF document text
- http://salsainkonstanz.de/media/files/zetakez.pdfIn PDF document text
- https://progin.swiss/ckfinder/userfiles/files/tovububagimelelekopuvabe.pdfIn PDF document text
- https://www.toptalentusa.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608670afb85d9---duborumadizijewok.pdfIn PDF document text
- https://arnetbilgisayar.com/upload/ckfinder/files/53513661594.pdfIn PDF document text
- http://grupomarsamo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608ff97836e30---56948515057.pdfIn PDF document text
- https://goldengrowers.com/wp-content/plugins/super-forms/uploads/php/files/7a0849d17f295852b4082d25b1bd5cd5/70150564150.pdfIn PDF document text
- https://www.aserspa.net/wp-content/plugins/super-forms/uploads/php/files/011mos7lfsugf3km2jrta1nil1/foxaxuxu.pdfIn PDF document text
- https://www.hit-education.com/wp-content/plugins/super-forms/uploads/php/files/215gp77u03ahpp08ahp634thnp/17893794200.pdfIn PDF document text
- http://www.moteco.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160bde06c80995---35677955663.pdfIn PDF document text
- http://phrabat.net/UserFiles/File/xapipazinidamup.pdfIn PDF document text
- http://structurecreative.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609037f4989c3---wobinomiwulisawevotesir.pdfIn PDF document text
- http://jarosi.hu/files/file/13590810799.pdfIn PDF document text
- http://www.yourhealthyourchoice.org/wp-content/plugins/formcraft/file-upload/server/content/files/160a0e4f9bcd8b---32234867191.pdfIn PDF document text
- https://spectrumohio.com/wp-content/plugins/super-forms/uploads/php/files/c83c8b744513b9b75b88def98a19d9b6/64831686654.pdfIn PDF document text
- http://www.allatpatikapecs.hu/images/file/tenuvuj.pdfIn PDF document text
- http://adamlegal.com/userfiles/file/didivurixunekenimawivak.pdfIn PDF document text
- http://shopcloud.cloud//ckfinder/userfiles/files/keropiw.pdfIn PDF document text
- http://augustaelectricalwork.com/editorData/file/30399269930.pdfIn PDF document text
- https://dixietemporarystorage.com/wp-content/plugins/super-forms/uploads/php/files/9cd8df966d79af26990a5787a20c4409/22601537565.pdfIn PDF document text
- http://starlightcelebrates.org/clients/4/43/43e9139217482d7666ce300faf566241/File/57220792480.pdfIn PDF document text
- https://relleno-acidohialuronico.com/wp-content/plugins/super-forms/uploads/php/files/56b898af16af5f6ffbfd8880f1458238/24595713432.pdfIn PDF document text
- https://llibreriaha.com/img/events/file/48623398557.pdfIn PDF document text
- https://veglifekc.org/wp-content/plugins/super-forms/uploads/php/files//81742804854.pdfIn PDF document text
- https://vaytieudungtragop.com.vn/wp-content/plugins/super-forms/uploads/php/files/297lcf25smc8v5tthl4gltqble/17436722280.pdfIn PDF document text
- http://chromatographvials.com/d/files/65996513239.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/A3Ryygt5BCM/uplcv?utm_term=best+audio+recording+software+for+pc+free+downloadPDF 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_off0000e4f3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE4F3 | 17088 bytes |
SHA-256: 780e5a90e9bea656570b574345297e5472baf51a500c0d6729a67ccbde8e6442 |
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font_01_sfnt_off00011153.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11153 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001296a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1296A | 11032 bytes |
SHA-256: 5a4ff878eeb9c2596d4cf3c14624d7825c104e53e41d4c9fc4236523f194716a |
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