MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. Heuristics indicate it functions as a link farm, directing users to multiple disposable or compromised domains. The document body is heavily obfuscated, preventing analysis of specific content, but the overall structure and URL analysis strongly suggest a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9985
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://firsatpin.com/calisma2/files/uploads/gusunifemamelarosezeg.pdf In PDF document text
- https://relleno-acidohialuronico.com/wp-content/plugins/super-forms/uploads/php/files/cbce0ef014f3ba208e39a8f7cc4d96cb/vowozo.pdfIn PDF document text
- http://vigen12.com/userfiles/file/tolik.pdfIn PDF document text
- https://nhaban24h.com.vn/wp-content/plugins/super-forms/uploads/php/files/f3mn201m81k281c45i8qhanrld/misamej.pdfIn PDF document text
- https://www.harnoordesigns.com/wp-content/plugins/super-forms/uploads/php/files/8948aa53eb04817d87746ebfbab9d95e/xibeletawerexisiragibok.pdfIn PDF document text
- https://aczv.fr/userfiles/file/12110518534.pdfIn PDF document text
- https://aspirans.com/files/file/rotajerofiginekonogajise.pdfIn PDF document text
- http://metalltechnik-kutschi.at/85668153417.pdfIn PDF document text
- http://ipoz.pl/userfiles/file/kelujopawo.pdfIn PDF document text
- https://www.advids.io/wp-content/plugins/formcraft/file-upload/server/content/files/16143bb4a9b85f---jefafalutanutuz.pdfIn PDF document text
- http://congseng.com/uploadfile/files/mimaronatajuviz.pdfIn PDF document text
- http://gcsiva.com/files/userfiles/file/43440025656.pdfIn PDF document text
- https://thailonghoang.vn/upload/files/95817567285.pdfIn PDF document text
- http://vikohasanfiber.com/upload/files/zarusugelowibe.pdfIn PDF document text
- http://magogaralbamoble.com/galeria/files/63938363640.pdfIn PDF document text
- http://exosportsante.fr/ckfinder/userfiles/files/mozotajupejez.pdfIn PDF document text
- https://charming-dc.com/uploads/files/202108311725568401.pdfIn PDF document text
- http://thanhcongtechtra.com/upload/files/vumowazigaxaza.pdfIn PDF document text
- https://htlexpress.com/ckfinder/userfiles/files/61733642816.pdfIn PDF document text
- http://charolais-hessen.de/write/userfiles/file/83060182287.pdfIn PDF document text
- https://costarica4d.com/contents/files/80579354859.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/S30rS-6n6vg/uplcv?utm_term=plant+versus+zombie+2+apkPDF 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_off0000bdd9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBDD9 | 15888 bytes |
SHA-256: d7445e6555f8db08c120e71e1161ca1d5daa80e2ce3a6472af703a524cc37f5a |
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font_01_sfnt_off0000e601.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE601 | 10992 bytes |
SHA-256: a6d11c2c0a1927d2e28020f22d82340b01d35c12a59d851b8da563d0c33d4d5c |
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font_02_sfnt_off0000ff70.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFF70 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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