MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The sample was detected by ClamAV as Pdf.Phishing.Trojan and an ML classifier indicated a high probability of maliciousness. It contains numerous links pointing to compromised websites and disposable hosting, suggesting a link farm designed to redirect users. The PDF structure itself is also flagged for suspicious object definitions.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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://professional-tuner.at/uploaded/file/72985916494.pdf In PDF document text
- http://harposwebdesign.nl/app/webroot/files/userfiles/files/96740732255.pdfIn PDF document text
- https://www.willmarareachamber.com/ckfinder/userfiles/files/vajunumutuve.pdfIn PDF document text
- http://alkanboya.com/files/file///jopatomevumeloguvidegi.pdfIn PDF document text
- http://lagunaapartman.hu/images/user/file/64625751930.pdfIn PDF document text
- http://caacoding.net/wp-content/plugins/formcraft/file-upload/server/content/files/1614a2b4fcf42d---gexujinuzixagizuxamu.pdfIn PDF document text
- https://mut-zur-veraenderung-hambuch.de/userfiles/file/fuluxemobifelonirameganux.pdfIn PDF document text
- https://myhoorayhealth.com/wp-content/plugins/super-forms/uploads/php/files/5d179f64c14e359fa59b9bae61690aa5/levebinabupi.pdfIn PDF document text
- https://netiko.ge/img/Data/file/vesizujivupubumojidewubu.pdfIn PDF document text
- http://healingtown.org/userData/board/file/neminej.pdfIn PDF document text
- https://aep-tc.com/cache/fck_files/file/44938491693.pdfIn PDF document text
- http://eis-pieschel.de/UserFiles/File/wokanolikekivipafidulipa.pdfIn PDF document text
- https://profession-your-dr.com/uploads/files/202110021205168709.pdfIn PDF document text
- http://sh8ke.com/wp-content/plugins/formcraft/file-upload/server/content/files/161331a1d95338---43457433293.pdfIn PDF document text
- https://franchiseharbor.com/files/files/vopupubugatetatosog.pdfIn PDF document text
- http://www.chiringuitomediterraneo.com/ckfinder/userfiles/files/53654048516.pdfIn PDF document text
- https://tidymoney.com/ckfinder/userfiles/files/dubidaxofoxalali.pdfIn PDF document text
- https://ximangcampha.vn/upload/files/wiworimefodagidugowuveje.pdfIn PDF document text
- http://bernendorf.ru/userfiles/file/29298513791.pdfIn PDF document text
- http://studiorestagno.eu/userfiles/files/gedupidomusoketid.pdfIn PDF document text
- https://coachtourbusrental.com/wp-content/plugins/formcraft/file-upload/server/content/files/1615959f7b4831---77315474952.pdfIn PDF document text
- https://www.sharpeningfactory.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614950f79a270---sudejivodigewiw.pdfIn PDF document text
- http://hoya-system.com/uploads/files/202109301533006498.pdfIn PDF document text
- http://circolonauticofavignana.it/userfiles/files/83666876881.pdfIn PDF document text
- http://fosterfreezesantarosa.com/uploads/files/sefejutut.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/A3Ryygt5BCM/uplcv?utm_term=tavern+on+the+squarePDF 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_off0000ca5c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCA5C | 10344 bytes |
SHA-256: 807f1d14c611ed72efa3de3081135d9ea388606d5d423a3388bf0f587a7cc7f5 |
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font_01_sfnt_off0000e1b6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE1B6 | 19508 bytes |
SHA-256: 5bb989da990ae76f9271af082b66457e8eb6128948dbe6de89884e9d38c462bf |
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font_02_sfnt_off0001132f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1132F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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