MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. It contains numerous links, many pointing to potentially compromised or disposable hosting, designed to act as a link farm. The presence of multiple PDF_SEO_DISPOSABLE_LINK_FARM and PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM heuristics indicates a deliberate effort to obscure the final malicious destination through a chain of redirects.
Machine Learning
- Nyx PDF Classifier malicious score 0.9992
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 http://gleb777.com/fck_upload/file/22511471457.pdf In PDF document text
- https://eklyps.net/images/file/15696857824.pdfIn PDF document text
- http://teledirk.com/d/files/26511171910.pdfIn PDF document text
- http://enricobarraco.com/files/lupotabodegura.pdfIn PDF document text
- http://dasbluemchen.com/boposixedaxiwow.pdfIn PDF document text
- http://pwmtqatar.net/userfiles/file/33818673543.pdfIn PDF document text
- http://a9188.com/upload_files/art_files/files/20210904_115154.pdfIn PDF document text
- http://julieesteban.com/wp-content/plugins/formcraft/file-upload/server/content/files/16144ab94b4f47---subofukudela.pdfIn PDF document text
- http://commissioncollectionlaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/vofif.pdfIn PDF document text
- http://davidhammerstein.org/ckfinder/userfiles/files/panutebinugixipoziw.pdfIn PDF document text
- http://stellarvvv.ru/ckfinder/userfiles/files/6038723352.pdfIn PDF document text
- http://xy-interior.com/uploads/files/202109070336026233.pdfIn PDF document text
- https://israelonthehouse.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613ebf46e5398---73402662374.pdfIn PDF document text
- https://balarampurblock.in/ckfinder/userfiles/files/rudijaresuzix.pdfIn PDF document text
- https://gulfsupremesa.com/ckfinder/userfiles/files/tavate.pdfIn PDF document text
- http://smartcookieacademy.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613c3ebf289d4---sexumanolosefesora.pdfIn PDF document text
- http://redemaisfarma.com/userfiles/file/18539731708.pdfIn PDF document text
- http://unseretochter.ch/images/file/divimeverof.pdfIn PDF document text
- http://www.gobarging.com/uploads/textareas/file/54066568952.pdfIn PDF document text
- https://luxurybaths.marblobaths.ph/app/webroot/img/files/90751115369.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/cv9VXjIrmdE/uplcv?utm_term=minecraft+mobile+modpackPDF 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_off0000d231.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD231 | 17328 bytes |
SHA-256: db74b8717e7f828a0b8a2083673bea813291450a4ef85385cb35f08192dc5eff |
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font_01_sfnt_off0000ff23.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFF23 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001173a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1173A | 10840 bytes |
SHA-256: 968e304c822071ab9b656b7f2bfbb7cd072d1a45a9c20b441a9de66573f8f9c2 |
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