MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous external URLs, including links to compromised CMS uploads and disposable hosting, suggesting a link farm designed to redirect users. The presence of PDF_URI and EMBEDDED_URL heuristics further supports the attack pattern of directing users to external, potentially malicious, sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9985
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://irlanc.ru/uplcv?utm_term=final+fantasy+hd+wallpaper+android PDF link annotation
- http://cermak-expo.cz/data/files/file/rutuxero.pdfIn PDF document text
- http://www.kissdocs.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/161346b3ff30c3---42180738114.pdfIn PDF document text
- http://pusancard.com/userData/board/file/pazedemuwivi.pdfIn PDF document text
- https://highfieldhousehotel.net/nbloom/fckuploads/file/tixujupuduwivaziwa.pdfIn PDF document text
- http://olymp-kiev.com/temp/fckeditor/file/nasut.pdfIn PDF document text
- http://stopasbestos.ca/wp-content/plugins/formcraft/file-upload/server/content/files/161416a9d3837a---69958153783.pdfIn PDF document text
- http://bagpack.com.np/wp-content/plugins/formcraft/file-upload/server/content/files/16131d426f3f91---66631304566.pdfIn PDF document text
- http://trevelci.ru/ckfinder/userfiles/files/nuwexuvivinonuwavumubel.pdfIn PDF document text
- http://m-camper.ru/ckfinder/userfiles/files/vemilatabapefudiriwo.pdfIn PDF document text
- https://pensiuneavalentina.ro/app/webroot/file/27589102393.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16144e6691d61b---38603486527.pdfIn PDF document text
- https://nieruchomosciprzetargi.pl/files/file/kufiwukexazereguwajadi.pdfIn PDF document text
- http://pensjonatagat.pl/userfiles/file/75453333405.pdfIn PDF document text
- https://conrays.ru/f/data/23764368177.pdfIn PDF document text
- http://cungcapbaoduongcuanhatban.com/upload/files/76588348039.pdfIn PDF document text
- http://firesecurity.sk/userfiles/file/polafubajovowuvuzibolul.pdfIn PDF document text
- http://gardenofsound.com/userfiles/files/felotep.pdfIn PDF document text
- https://zagi.hr/files/safogitituvupazubigukero.pdfIn PDF document text
- http://phongthuyphatloc.com/luutru/files/faguwavipevadep.pdfIn PDF document text
- http://amadpich.com/userfiles/file/70231784501.pdfIn PDF document text
- http://bzws.zhanyougame.com/ckfinder/userfiles/files/mozemitobiwidexufo.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_off0000d105.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD105 | 17912 bytes |
SHA-256: 66408ab04e1f60e79197d830c2df971902112a296cc90b85dd22ab1ec35fb1eb |
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font_01_sfnt_off0000feb5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFEB5 | 10772 bytes |
SHA-256: b35b7b20d158e2f1be23528daba6691ae21db6450d79dd58391e0940efc2803b |
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font_02_sfnt_off00011779.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11779 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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