MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. Heuristics indicate it functions as a link farm, with many URLs pointing to domains that are either compromised or disposable. The document body is heavily obfuscated, preventing a clear understanding of its direct user-facing content, but the overall structure and URL analysis strongly suggest a malicious intent to redirect users to potentially harmful sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9968
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://indiansabroad.uk/userfiles/file/wofubivifi.pdf In PDF document text
- http://basumati.com/app/webroot/ckfinder/userfiles/files/finogevoli.pdfIn PDF document text
- http://iamsoldierfit.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612f47364edcf---vixabulujiwalunijoj.pdfIn PDF document text
- http://motovelo-nmsk.ru/userfiles/file/pitisazemofagabezelom.pdfIn PDF document text
- http://grafichesirio.com/userfiles/files/gofaxomizaj.pdfIn PDF document text
- https://weddingitaly.jp/images/file/ranukozivajitegegamezu.pdfIn PDF document text
- http://beiwendq.com/userfiles/file/ziniliraxije.pdfIn PDF document text
- https://bientannamhuy.com/wp-content/uploads/files/supotafomo.pdfIn PDF document text
- http://misr-consult.com/userfiles/file/50291487911.pdfIn PDF document text
- http://whuntex.ru/userfiles/file/buled.pdfIn PDF document text
- http://crimesla.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/nulamogifeserab.pdfIn PDF document text
- http://breakevenpoint.pl/uploads/editor/file/gewavolodiko.pdfIn PDF document text
- https://ewms.vn/wp-content/plugins/super-forms/uploads/php/files/5dg50pcpgn4ilbrrjhmloisn7b/xerozedikunaradi.pdfIn PDF document text
- http://www.cavice.fi/tiedostot/files/tubewavabelikalelupefo.pdfIn PDF document text
- http://vwtint.com/userData/board/file/71343938419.pdfIn PDF document text
- https://artistprasanna.com/userfiles/file/40694628896.pdfIn PDF document text
- http://arqing.es/ckfinder/userfiles/files/25438519757.pdfIn PDF document text
- http://themultifold.com/wp-content/plugins/super-forms/uploads/php/files/ib1rbtampqmlobr5jnsnsggi95/zitatuxa.pdfIn PDF document text
- http://itkaufmann.com/images/fckimages/file/jekiwafibo.pdfIn PDF document text
- http://www.tomasjelinek.com/img/pub/file/tesipon.pdfIn PDF document text
- http://casavacanzesanvito.eu/userfiles/files/87575739391.pdfIn PDF document text
- http://dui-antidote.com/images/userfiles/file/40491345389.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1xuhb7AK25c/uplcv?utm_term=how+to+record+video+from+screen+androidPDF 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_off0000ceaf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCEAF | 10732 bytes |
SHA-256: 8104013aa601baf24329374cc16e62ad748a2c3095701f69bf6db59ecacf6167 |
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font_01_sfnt_off0000e764.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE764 | 18008 bytes |
SHA-256: d8c5062ab41df205b23e27ca18b83adb0d164e5256ba674f03850a21d4916e3f |
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font_02_sfnt_off000115ab.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x115AB | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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