MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links to external websites, many of which are hosted on compromised CMS platforms or disposable domains, suggesting a link farm designed to redirect users. The presence of a ClamAV detection for 'Pdf.Phishing.Trojan' and ML classification further supports a malicious intent. The embedded URLs, such as 'https://laborke.ru/uplcv?utm_term=nigerian+police+salary+structure+pdf', indicate a lure to potentially malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
Heuristics 6
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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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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://laborke.ru/uplcv?utm_term=nigerian+police+salary+structure+pdf PDF link annotation
- http://cungcapluonech.com/upload/files/pukapunaxuwaganojolafo.pdfIn PDF document text
- http://clinicaveterinariasangiacomo.it/userfiles/files/wulavegosilotudupu.pdfIn PDF document text
- http://wbbray.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607a31004538c---mugib.pdfIn PDF document text
- http://polymer-optix.de/userfiles/file/97704930556.pdfIn PDF document text
- https://www.litesourcenc.com/wp-content/plugins/super-forms/uploads/php/files/c1fffbfb650c27de9041f6d6d4e03067/598343443.pdfIn PDF document text
- http://www.rlktechniek.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160a534ad8e53a---xazuzakabanifedaxojapadaw.pdfIn PDF document text
- http://www.themixchange.com/userfiles/files/kigat.pdfIn PDF document text
- https://cairparavel.ro/app/webroot/files/userfiles/files/pigasupopavof.pdfIn PDF document text
- http://www.sempresaude.net/wp-content/plugins/formcraft/file-upload/server/content/files/160cd5669036c6---tuxanorapi.pdfIn PDF document text
- http://malopolskiszlakwinny.pl/upload/File/gerikubapuxopiwal.pdfIn PDF document text
- https://www.ideaklinikbursa.com/wp-content/plugins/formcraft/file-upload/server/content/files/160810804e6688---fudiza.pdfIn PDF document text
- https://alignerco.com/wp-content/plugins/super-forms/uploads/php/files/2c507670ec959a12bf5082aba93e603c/4397467507.pdfIn PDF document text
- http://www.elsecretodelolivo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b2819bd22da---kamuzomekaxefijeg.pdfIn PDF document text
- http://altelaw.com/uploads/image/file/28944055590.pdfIn PDF document text
- http://mspchicagolaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/puvupadomuveribu.pdfIn PDF document text
- https://evocative.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160b325d778c9d---lixigokifi.pdfIn PDF document text
- http://julieesteban.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e1f9b6f015b---73226041670.pdfIn PDF document text
- http://lavera.it/wp-content/plugins/formcraft/file-upload/server/content/files/160a7c2ded3a41---68429798894.pdfIn PDF document text
- https://vishalahospitality.com/ckfinder/userfiles/files/88461555657.pdfIn PDF document text
- https://swagath.co/new/ckfinder/userfiles/files/jagukofunipusenuli.pdfIn PDF document text
- http://teusz.pl/UserFiles/file/35831202561.pdfIn PDF document text
- https://www.nosolodespedidas.es/wp-content/plugins/formcraft/file-upload/server/content/files/160798aa71730f---palugabomimalunakagasogaf.pdfIn PDF document text
- https://thehamptonsbloomington.com/wp-content/plugins/formcraft/file-upload/server/content/files/161182fce9baee---pifotefibodoponok.pdfIn PDF document text
- https://osikovo.eu/webroot/img/content/files/97444656047.pdfIn PDF document text
- 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_off00014e55.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14E55 | 19072 bytes |
SHA-256: 96c9abd9e27fe85edf51b3c0781e288c7f505db5d19fcf3b18758393db919e80 |
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font_01_sfnt_off00018095.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x18095 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000198ac.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x198AC | 10984 bytes |
SHA-256: 0fa925f5f248e9afbb08ad62f40a82363e13e77774b4efbfbdc276dbfed989d8 |
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