MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs pointing to compromised websites, indicating a link farm designed to lure users to malicious content. Heuristics like 'PDF_SEO_DISPOSABLE_LINK_FARM' and 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM' strongly suggest this malicious intent. The ML classifier and ClamAV detection further confirm the malicious nature of the file.
Machine Learning
- Nyx PDF Classifier malicious score 0.9949
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://crysiq.ru/uplcv?utm_term=4+pics+1+word+meaning PDF link annotation
- https://webgirls-studio.com/wp-content/plugins/formcraft/file-upload/server/content/files/16149beac60fe0---sibidisukida.pdfIn PDF document text
- https://metricgroup.it/uploads/file/ligujesoxujitiralunoze.pdfIn PDF document text
- http://gonganmi.com/userfiles/file/39253526469.pdfIn PDF document text
- https://yapluka-services.fr/userfiles/file/mifunasupiw.pdfIn PDF document text
- http://peoplefoster.com/pliki/wozalafufogom.pdfIn PDF document text
- https://travelworld.ro/userfiles/file/29928169490.pdfIn PDF document text
- http://visoda.lt/ckfinder/userfiles/files/fuxiragoz.pdfIn PDF document text
- http://dongtienlamnghiep.com/upload/file/58447454792.pdfIn PDF document text
- https://stpetejazz.com/wp-content/plugins/super-forms/uploads/php/files/qpfnefvllbqukadph6e4n77vkn/rulukelixanud.pdfIn PDF document text
- http://sperrincaravans.com/images/file/45350586686.pdfIn PDF document text
- http://olgapolyakova.de/files/files/16956070301.pdfIn PDF document text
- http://squarcialupirelaxinchianti.com/writable/public/userfiles/file/51803644657.pdfIn PDF document text
- https://upaspor.com/resimler/files/92699874007.pdfIn PDF document text
- https://pristineleather.com/userfiles/file/86300204801.pdfIn PDF document text
- http://betheaskssd.com/flash/betheaskssd.com/file/rojodutilisedogevalegib.pdfIn PDF document text
- https://www.budgetskemaet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/1613dd636771d1---51231313486.pdfIn PDF document text
- http://hycxchina.com/filespath/files/20210902014339.pdfIn PDF document text
- http://hferrynetworks.com/FileData/ckfinder/files/20210910_7C2FEC05A8BD188B.pdfIn PDF document text
- https://sgicorp.com/userfiles/files/16673999997.pdfIn PDF document text
- https://tspinstruments.com/cache/fck_files/file/31686239288.pdfIn PDF document text
- https://showerdrainplus.com/uploads/files/202110020711126123.pdfIn PDF document text
- http://smartwealthhk.com/userfiles/98898889125.pdfIn PDF document text
- http://sunil.kr/uploadfile/fckeditor/file/semuwanoluv.pdfIn PDF document text
- https://indicaperu.com/userfiles/file/14981097714.pdfIn PDF document text
- https://littleedupark.com/ckfinder/userfiles/files/37093623099.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_off0000cdb3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCDB3 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000e5c5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE5C5 | 17532 bytes |
SHA-256: 46199ffdd54f17168b33f6247d05d685397cb3f5587a4236a1ed8092e62a7ad2 |
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font_02_sfnt_off000112a9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x112A9 | 10832 bytes |
SHA-256: 2539ed045b3ed5e31b134d8cdd20a5e288e361bbfd9e7ea8963ec4b999fb37b8 |
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