MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV identifying it as a phishing trojan. The file contains numerous links to external websites, many of which are hosted on compromised or disposable domains, suggesting a phishing or malware distribution campaign. The presence of PDF-specific link farm heuristics further supports this assessment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9981
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://laborke.ru/uplcv?utm_term=apa+style+7th+edition+in+text+citations PDF link annotation
- http://naosgym.com/userfiles/files/kixopovanutogusozuj.pdfIn PDF document text
- http://abwfinlay.com/uploads/files/41851163798.pdfIn PDF document text
- https://cruiseship.cruises/wp-content/plugins/super-forms/uploads/php/files/iu86nheo8bgv4a18vmtgrq4neg/69756854894.pdfIn PDF document text
- http://leylatoprak.com/userfiles/file/vofutegekikiwojobofezor.pdfIn PDF document text
- https://414movement.com/wp-content/plugins/super-forms/uploads/php/files/e9af1a1274fb9ba67013d9f8735b1da4/98328332033.pdfIn PDF document text
- https://forumsevens.com/images/file/dezojenudowulonupik.pdfIn PDF document text
- http://www.recko.ru/ckfinder/userfiles/files/fixiberef.pdfIn PDF document text
- http://bloemenwinkelindex.nl/images/uploads/95420480417.pdfIn PDF document text
- http://parejalecaros.com/adjunto/upload/fck/files/28525651919.pdfIn PDF document text
- http://rurisnet.org/images/file/xomog.pdfIn PDF document text
- http://discarga.com/wp-content/plugins/formcraft/file-upload/server/content/files/161468e56aeb35---ligumikaxazapuvedawux.pdfIn PDF document text
- https://www.solucionaesp.com/ckfinder/userfiles/files/74886860805.pdfIn PDF document text
- https://mindweave.co.uk/wp-content/plugins/super-forms/uploads/php/files/f2q2vpabkdl33611t5h6n7gjr4/tinagezoxajavevevovivopu.pdfIn PDF document text
- http://lica-mpt.it/userfiles/files/gubaxe.pdfIn PDF document text
- http://kapelski.pl/userfiles/file/9073820378.pdfIn PDF document text
- http://xn--vb0b83rba554gca.kr/page_data/file/20210920052914.pdfIn PDF document text
- http://agisma.ru/files/pages/files/jamoga.pdfIn PDF document text
- http://metaglas.kr/userData/board/file/47498247417.pdfIn PDF document text
- http://stefani.cz/fck/file/vibazizusavutebig.pdfIn PDF document text
- https://swotin.com/wp-content/plugins/formcraft/file-upload/server/content/files/16137fb7b877c5---41703477785.pdfIn PDF document text
- http://phukientubepxinh.info/gomsu/sanpham/anh/files/11786757866.pdfIn PDF document text
- http://hataylezzeti.com/resimler/files/54680055883.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_off0000da12.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDA12 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f229.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF229 | 10760 bytes |
SHA-256: 6dd51144d94a815edd9e1be9d4515a58e5bd2b78b32661cff8f08a8329721396 |
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font_02_sfnt_off00010b05.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10B05 | 18060 bytes |
SHA-256: 3fc6361c64bec939e806d4dfa5b53caa50bcbf34c7d67bad97615b1b1d9a8c41 |
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