MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs, many pointing to compromised WordPress sites or disposable domains, suggesting a link farm designed to lure users to malicious content. The presence of external URI heuristics and link farm indicators further supports this attack pattern.
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 https://allytemp.ru/uplcv?utm_term=d%27addario+equinox+tuner+manual PDF link annotation
- http://petra-dario.info/upload/datoteke/lozodexebiwusutodis.pdfIn PDF document text
- http://the-bom.kr/upfile/files/zalezibuwisinuze.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f1721bfed4---sopogef.pdfIn PDF document text
- http://www.wiz-fac.com/uploadImg/file/6856006827.pdfIn PDF document text
- http://adamslakeband.org/userfiles/file/5855200001.pdfIn PDF document text
- https://texigo.tw/upfile/files/2021/07/13/12087106124.pdfIn PDF document text
- https://nakipoglugroup.com/upload/ckfinder/files/44467676809.pdfIn PDF document text
- http://duhochoangthanh.com/upload/files/60919540778.pdfIn PDF document text
- http://vimbark.sk/editor_uploads/files/39646973806.pdfIn PDF document text
- https://www.coconutlodge.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bd3f64bb218---98528088900.pdfIn PDF document text
- http://pratiklinik.com/img/userfiles/files/lelizoxaxagadivakapu.pdfIn PDF document text
- http://kath-kiga-bw.de/bilder/berichte/file/sumosibiwixosipogiri.pdfIn PDF document text
- http://apsons.eu/files/file/gunumanufav.pdfIn PDF document text
- https://www.aironface.com/wp-content/plugins/super-forms/uploads/php/files/238f6602e1be9052f8f43df0e8ea40e5/xutosapepiveraful.pdfIn PDF document text
- http://petra-dario.info/upload/datoteke/67763124409.pdfIn PDF document text
- http://scissortailfarms.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a39dfc9cacf---55423864186.pdfIn PDF document text
- https://heider.ru/wp-content/plugins/super-forms/uploads/php/files/6840683b468c0cf159333a79ee212015/walulubomamixafozubo.pdfIn PDF document text
- http://in-dapt.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aa82b954b5b---92208707015.pdfIn PDF document text
- http://alpha-cp.com/userfiles/file/rametixizamonezipos.pdfIn PDF document text
- http://xn--9w3b11kh5l.com/ckupload/files/ginavogalosukuxekusanu.pdfIn PDF document text
- http://koreaseals.com/ckfinder/userfiles/files/99252869268.pdfIn PDF document text
- http://flex-link.cn/uploadfiles/files/28394194775.pdfIn PDF document text
- https://wipaphun.com/UserFiles/File/mexukipaxubavizarufono.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_off0001591e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1591E | 21744 bytes |
SHA-256: e5a6d74036d6d2b78b08685a48c10594b2ed6bd5810a599bd1b4e9c0830226f9 |
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font_01_sfnt_off00019205.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x19205 | 10624 bytes |
SHA-256: b4c4061c04b000f8d95bba2ebfee643dddd7652cc4bff605cd402e3b4ef442be |
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font_02_sfnt_off0001aa10.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1AA10 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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