MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains a large number of links, many pointing to compromised WordPress sites, suggesting it's designed to redirect users to malicious content. The document's structure and numerous external links indicate a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9990
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://pistant.ru/uplcv?utm_term=how+to+keep+t+shirts+from+shrinking PDF link annotation
- http://festivaldeliteraturadepereira.com/wp-content/plugins/formcraft/file-upload/server/content/files/1611171fdd7952---difuvokegiwupajazitibom.pdfIn PDF document text
- http://www.groupementpecheduloir.com/ckfinder/userfiles/files/61601995536.pdfIn PDF document text
- https://www.aironface.com/wp-content/plugins/super-forms/uploads/php/files/303d5826f0bba7efcc775ce88bde0904/dirozurowovoz.pdfIn PDF document text
- http://nakakinpump.kr/fckeditor/upload/file/pijam.pdfIn PDF document text
- https://www.anandtirth.com/wp-content/plugins/super-forms/uploads/php/files/109bvukongde5fc4mapv3l6hp4/vusugezariwibilok.pdfIn PDF document text
- http://fuku-zou.com/userfiles/file/83950291526.pdfIn PDF document text
- https://rclurie.com/wp-content/plugins/super-forms/uploads/php/files/1ea4ee4c26d112934dd82cf0f6106f5b/fokamodedifevekotape.pdfIn PDF document text
- http://www.risingstars.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1607b3ae084942---47511540957.pdfIn PDF document text
- http://russkiivopros.com/images/FCKeditor/file/liretobomejabelelikapobu.pdfIn PDF document text
- https://beautifullifeuk.com/wp-content/plugins/super-forms/uploads/php/files/63aecec665e7527994cb447b31833291/89537999922.pdfIn PDF document text
- http://eperon-kochersberg.com/img_db/xopokawenu.pdfIn PDF document text
- https://www.sodigital.it/wp-content/plugins/formcraft/file-upload/server/content/files/160ad34e4af385---49703648883.pdfIn PDF document text
- http://waelfawzy.com/userfiles/file/75417204062.pdfIn PDF document text
- https://christembassybarking.org/wp-content/plugins/super-forms/uploads/php/files/e4f36f87ceb1e4790621bc5991c0aa74/3854292322.pdfIn PDF document text
- https://iamtimeshare.com/userfiles/file/43089357581.pdfIn PDF document text
- http://ahxxzx.com/userfiles/202105/file/gimewi.pdfIn PDF document text
- http://poledance-chrudim.cz/files/file/60748118589.pdfIn PDF document text
- https://fatheragneliti.com/wp-content/plugins/formcraft/file-upload/server/content/files/160acff2f0315a---fekusokefoj.pdfIn PDF document text
- https://fjordancv.info/wp-content/plugins/super-forms/uploads/php/files/a27dab371162d090f516022d2e903072/68815288934.pdfIn PDF document text
- http://jikaramen.com/uploads/files/61590307744.pdfIn PDF document text
- http://tlw.ro/UserFiles/file/nelekibofapazogewosupajug.pdfIn PDF document text
- https://skazkavdom.com/wp-content/plugins/super-forms/uploads/php/files/f81dd3c366431f6ccedf91ea0ec4fc37/jezibotiketale.pdfIn PDF document text
- https://www.sabiamente.es/wp-content/plugins/formcraft/file-upload/server/content/files/160782004b7110---selugeva.pdfIn PDF document text
- http://eurolocal.info/sites/default/files/images/file/31978358378.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_off0000e467.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE467 | 17260 bytes |
SHA-256: 18c48e0eebc8d98f5cc8751891426542185cf533db4239ddd2845d79128be8a9 |
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font_01_sfnt_off000111af.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x111AF | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000129c6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x129C6 | 10764 bytes |
SHA-256: 223c59be9049dfd28434419d01feaf743f1d7799e9fc0574273b0298153ec61c |
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