MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It 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 to malicious content. The presence of external URIs and link farm characteristics points towards a phishing or malware distribution scheme.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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://irlanc.ru/uplcv?utm_term=download+novel+aliazalea PDF link annotation
- http://benetalent.com/upload/files/91924992639.pdfIn PDF document text
- https://transmar.biz/ckfinder/userfiles/files/jifojokewabinu.pdfIn PDF document text
- https://sketchup360.vn/wp-content/plugins/super-forms/uploads/php/files/c9vh11slamjqqlfri9ihclcp8b/xeturojebagaz.pdfIn PDF document text
- https://akdenizokullari.k12.tr/wp-content/plugins/super-forms/uploads/php/files/32c9ir7vr1kaqgju94nl7l8c0a/81755389606.pdfIn PDF document text
- http://citlak.de/admin/UserFiles/file/denomosakabimexomimifujik.pdfIn PDF document text
- https://flims.atelierleuthold.ch/userfiles/files/56741105375.pdfIn PDF document text
- http://lncxjzxxw.com/upload_fck/file/2021-9-6/20210906160152875375.pdfIn PDF document text
- http://motolargo.pl/userfiles/file/gukepoke.pdfIn PDF document text
- http://www.radioemka.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614ee31379536---kumexagerujedetit.pdfIn PDF document text
- https://sunwayhk.com/louis/STARKGROUP/ckfinder/userfiles/files/dixobopuvakitina.pdfIn PDF document text
- http://sochi-polyana.com/ckfinder/userfiles/files/86315977262.pdfIn PDF document text
- http://erpos.sk/data/files/femureluvapos.pdfIn PDF document text
- http://dichvugiayphep.net/hinhanh_fckeditor/file/tezodawimemanameruxelaj.pdfIn PDF document text
- https://luxartparquet.com/wp-content/plugins/super-forms/uploads/php/files/9761c63910791d7c846455fb73b1fda3/50401576183.pdfIn PDF document text
- http://ogledalata.bg/uploads/pages/files/96394251087.pdfIn PDF document text
- https://ivfnna.gr/wp-content/plugins/super-forms/uploads/php/files/db189dfbda11adc0e515d7b4e6d4b3b1/65456582786.pdfIn PDF document text
- http://esen-life.com/userfiles/file/mejibu.pdfIn PDF document text
- https://ehlibeytalimleri.com/resimler/files/zevok.pdfIn PDF document text
- https://www.acta-mobilier.fr/ckfinder/userfiles/files/45807622352.pdfIn PDF document text
- http://vektor-bezpeki.com/userfiles/files/58567331452.pdfIn PDF document text
- http://omniatel.it/wp-content/plugins/formcraft/file-upload/server/content/files/1614b85c183d17---jajedupafir.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_off0000aea1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAEA1 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000c6b8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC6B8 | 10088 bytes |
SHA-256: 7ccc226671710eb736d44785c794105bcd26833d9b0d2f49b22f6b957688a2da |
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font_02_sfnt_off0000dd51.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDD51 | 17052 bytes |
SHA-256: 43a483cadc18afef4f6237be679a41ecef34a489f609eb0e9c3ee7132dee3e09 |
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