MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was identified as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The heuristics reveal it functions as a link farm, with numerous embedded URLs pointing to compromised CMS uploads and disposable hosting. These links are likely intended to redirect users to phishing or malware distribution sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9982
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://yuseigachi.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16140c011caeb6---vojovebexa.pdf In PDF document text
- http://stonestudio.pl/files/upload/file/fanatinebepefubazugevilo.pdfIn PDF document text
- http://primethailand.com/ckfinder/userfiles/files/28927052635.pdfIn PDF document text
- http://bakefruit.com/uploads/files/202109241606215736.pdfIn PDF document text
- http://turningpointdigital.com/cote_dor_import/admin/ckfinder/userfiles/files/4174347300.pdfIn PDF document text
- https://miamivanservice.net/wp-content/plugins/formcraft/file-upload/server/content/files/161341f8f03298---55619146969.pdfIn PDF document text
- http://thietkewebbacninh.com/webroot/img/files/zabegidirepebagopide.pdfIn PDF document text
- https://www.americanapi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614db0ce1b914---vebulos.pdfIn PDF document text
- https://conexkarvan.com/cache/fck_files/file/27070373622.pdfIn PDF document text
- https://sandp-engineering.com/ckfinder/userfiles/files/81819715034.pdfIn PDF document text
- https://www.medipratik.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614eeb89e8fed---nofupirakesejigajelin.pdfIn PDF document text
- http://margheritango.it/userfiles/file/87134478558.pdfIn PDF document text
- http://fitviewer.biz/files/file/gagutilisigibumimawalumu.pdfIn PDF document text
- https://handinhand-daycare.com/ckfinder/userfiles/files/zilitex.pdfIn PDF document text
- http://gaudi.tw/upload/files/wejemavoj.pdfIn PDF document text
- https://loan-financial.com/wp-content/plugins/super-forms/uploads/php/files/1d82dff71429d7c534af73301183cd09/numusela.pdfIn PDF document text
- http://apexibd.com/uploads/fck_uploads/file/gumizijexujapofet.pdfIn PDF document text
- https://playgametoday.ru/wp-content/plugins/super-forms/uploads/php/files/b0aa54c0489a135b02f5fe1f30db8606/tanotusarazodiwebupetajum.pdfIn PDF document text
- http://noithatdangcap.vn/app/webroot/uploads/files/lugono.pdfIn PDF document text
- http://zekidilektekstil.com/images_upload/files/26795929798.pdfIn PDF document text
- http://yule-sign.com/upload/editor/file/20210920232654.pdfIn PDF document text
- https://royal-art.pl/uploads/userfiles/files/20785822012.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/LPIa9PGmDLg/uplcv?utm_term=use+keyboard+with+firestickPDF 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_off0000b05c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB05C | 14624 bytes |
SHA-256: 4d85fd10817050bbcfe4c60496e25266f8f9591fc19c7af1ad537ab1c92deecf |
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font_01_sfnt_off0000d4c5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD4C5 | 10864 bytes |
SHA-256: 070278efb19a7d66afeec3dfe1690dc78292e88821a060ea83a03e62beb56121 |
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font_02_sfnt_off0000ee27.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE27 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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