MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous external links, many hosted on compromised CMS platforms or disposable domains, suggesting a link farm designed to redirect users to malicious sites. The presence of embedded URLs and the nature of the heuristics indicate a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9968
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://coretry.ru/uplcv?utm_term=use+smartphone+as+barcode+scanner+for+pc PDF link annotation
- http://zvezda-rostov.ru/ckfinder/userfiles/files/20217961035.pdfIn PDF document text
- http://dkind.net/userData/board/file/93416728088.pdfIn PDF document text
- http://keramann.ru/uploads/files/lutipadawisotajazojalok.pdfIn PDF document text
- https://x-software.cz/data/file/botelasasukanonenu.pdfIn PDF document text
- http://gursakaryahukuk.com/images/file/wizomim.pdfIn PDF document text
- http://www.derbysignandgraphics.com/uploads/file/21060064353.pdfIn PDF document text
- https://ordermorestuff.com/cmsCart/upload/file/wewatiwowakug.pdfIn PDF document text
- http://adas-muko.pl/photo/file/basojiruzuzonuxe.pdfIn PDF document text
- http://tccsrl.org/userfiles/files/wubofuziworepapo.pdfIn PDF document text
- http://eng.sut.ac.th/tce/2016/administrator/ckfinder/userfiles/files/desixamawapowogikox.pdfIn PDF document text
- https://dfa-finanz.de/wp-content/plugins/formcraft/file-upload/server/content/files/16150960f53b0c---39864442297.pdfIn PDF document text
- https://onlinendttraining.com/files/juwakupolunukebedo.pdfIn PDF document text
- http://topopentertainment.com/wp-content/plugins/formcraft/file-upload/server/content/files/16151f75ed983d---vifun.pdfIn PDF document text
- http://katachizu.com/img/news/files/nutof.pdfIn PDF document text
- http://russkiivopros.com/images/FCKeditor/file/32541301050.pdfIn PDF document text
- http://mottaing.eu/userfiles/files/wisugunuxan.pdfIn PDF document text
- https://biodent.ro/m4fm_files/m4news/ck-uploads-files/81180972874.pdfIn PDF document text
- https://www.alertgy.com/wp-content/plugins/super-forms/uploads/php/files/2def9d7242b5eadfd32880632552db57/89609573692.pdfIn PDF document text
- https://atiksigorta.com/files/mafunosapen.pdfIn PDF document text
- http://topbondtape.com/uploadss/file/75001790010.pdfIn PDF document text
- http://z-him.ru/userfiles/file/kazebigiwovadewo.pdfIn PDF document text
- http://grandviewgroupresort.com/upload/files/87792513243.pdfIn PDF document text
- https://gulfcans.com/home/madarmun/public_html/gulfcans/images/bulk_images/files/mezewelamipovom.pdfIn PDF document text
- https://pergamine.com/ckfinder/userfiles/files/kasulaxulim.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_off0000b01c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB01C | 10892 bytes |
SHA-256: 7d3c6af4a0b7e60db40aeae8c9ab6900a12ff5edb4ca4da99ceff79f0b327d27 |
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font_01_sfnt_off0000c8e2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC8E2 | 16620 bytes |
SHA-256: 4fa449c3f2b277a5fdc23d46cd7cf8de409bf7c0c2b4318200db69eefcee03a6 |
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font_02_sfnt_off0000f36f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF36F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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