MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The sample is a malicious PDF identified by ML classifiers and ClamAV. It contains numerous embedded URLs pointing to compromised CMS uploads and disposable hosting, indicating a phishing or redirection scheme. The PDF structure itself appears to be a link farm designed to direct users to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9917
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://synerhu.ru/uplcv?utm_term=pacman+scared+ghost PDF link annotation
- https://merohamro.com/ckfinder/userfiles/files/jazarexolejuwenegipa.pdfIn PDF document text
- https://alternativi.brtim.com/uploads/wysiwyg/files/879010269.pdfIn PDF document text
- https://www.lang-mayer.de/wp-content/plugins/formcraft/file-upload/server/content/files/16132fcca18ab1---rizuxupugimirovezixu.pdfIn PDF document text
- https://pmapmc.com/userfiles/image/files/11614386525.pdfIn PDF document text
- http://tangiahoang.com/skinkorea/Images_upload/files/18468582632.pdfIn PDF document text
- https://hotelgaric.com/upload/datoteke/togopelulejozatomejagene.pdfIn PDF document text
- https://sicurezzaips.it/uploads/file/wesununipofomadovade.pdfIn PDF document text
- https://legend-chang.com/UserFiles/files/56101120447.pdfIn PDF document text
- https://yennenga.org/business_school/uploads/file/kojufipibamegonuruzener.pdfIn PDF document text
- http://vitacanes.com/uploads/files/23026443109.pdfIn PDF document text
- http://obras.ru/sites/default/files/uploads/makawajofunisebeti.pdfIn PDF document text
- http://uspeh-kursk.ru/ckfinder/userfiles/files/41199248970.pdfIn PDF document text
- http://stavo-bazar.cz/userfiles/file/midanutewuboxujomiwadeg.pdfIn PDF document text
- http://impex-italia.it/userfiles/files/54433415598.pdfIn PDF document text
- http://crisismobile.com/ckfinder/userfiles/files/76833908884.pdfIn PDF document text
- http://goldmustang.ru/files/files/27578466323.pdfIn PDF document text
- https://emilline.dk/ckfinder/userfiles/files/jekajeganudodizelada.pdfIn PDF document text
- https://iuoshili.com/upload/users/files/kixidujabimolulis.pdfIn PDF document text
- http://wagnerpc.com/userfiles/files/80936608823.pdfIn PDF document text
- https://a-metal.e-giant.net/archive/file/files/kewolinefujiwu.pdfIn PDF document text
- http://yidaig.com/uploadfile/file/20210913061432.pdfIn PDF document text
- http://www.armstrongre.com/files/files/wukopukojol.pdfIn PDF document text
- http://buzmakov-ua.ru/admin/ckfinder/userfiles/files/70616617072.pdfIn PDF document text
- http://www.commandinglife.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613b0cd23aff7---xoxavetuwabibilej.pdfIn PDF document text
- http://mazdooradda.com/userfiles/file/vovupomol.pdfIn PDF document text
- http://serendipityorlando.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613b4ab4450aa---gerugexiradusufe.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_off0000d1e5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD1E5 | 19276 bytes |
SHA-256: de5ca2d6714f6363fffd68cdad5785f5c429b9b8dfaa27b955ce23ff392a7e2b |
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font_01_sfnt_off000104db.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x104DB | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011cf2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11CF2 | 10680 bytes |
SHA-256: c592a0e1d04a4ed488307c02b54969a59b155978b4f445d351d5571ae14f56ed |
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