MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is identified as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous external links, many hosted on compromised CMS platforms or disposable domains, suggesting a link farm or phishing lure. The presence of embedded URLs and the PDF_SEO_DISPOSABLE_LINK_FARM heuristic further support the attack pattern of directing users to potentially harmful external content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9840
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://coretry.ru/uplcv?utm_term=wormate+online+game PDF link annotation
- http://hingliltd.com/userfiles/6611525819.pdfIn PDF document text
- http://ehomerealestate.org/images/file/joripozuj.pdfIn PDF document text
- http://ozt.zielonetarasy-cieplice.pl/uploads/userfiles/files/vanovepuwe.pdfIn PDF document text
- http://divodizain.ru/ckfinder/userfiles/files/wufojuk.pdfIn PDF document text
- https://www.aironface.com/wp-content/plugins/super-forms/uploads/php/files/fc495e239ae0f7dbf776e5400d7a45a7/lozusolojerabi.pdfIn PDF document text
- https://ekselantechnology.solutions/ckfinder/userfiles/files/fomiletizibufajanagovuz.pdfIn PDF document text
- http://cartopack.be/Images/file/97676812597.pdfIn PDF document text
- http://dailymaydemtien.com/userfiles/files/4008723081.pdfIn PDF document text
- http://toyteepee.com/uploadfiles/file/21090112315154580271vikl.pdfIn PDF document text
- https://havilahbuilders.com/userfiles/file/56290560712.pdfIn PDF document text
- http://lncxjzxxw.com/upload_fck/file/2021-9-8/20210908223316882975.pdfIn PDF document text
- https://tamtam.com.ua/wp-content/plugins/super-forms/uploads/php/files/e587b67531a2474e8fc9303c03d3d302/gefigoxisunifiwofo.pdfIn PDF document text
- http://bosch-elektronarzedzia.pl/catalog/file/xuzebasapute.pdfIn PDF document text
- http://poketomecam.com/uploads/files/pumidotuzepugozegesasaril.pdfIn PDF document text
- http://dermatologomiguelgallego.com/miguel/fck/file/sogikofizatevokoriza.pdfIn PDF document text
- http://avandcie-automation.com/ckfinder/userfiles/files/zifujagifawon.pdfIn PDF document text
- https://aedwea.com/upload/foto/45715197953.pdfIn PDF document text
- http://kunbot.com/upload/files/nivuduronepiku.pdfIn PDF document text
- http://stl-hk.net/userfiles/45379460854.pdfIn PDF document text
- http://brickform.cz/obrazky/files/zelatadexejinenaluxavis.pdfIn PDF document text
- http://ildongwire.com/userfiles/file/pubexine.pdfIn PDF document text
- http://yoshitomo-kokubunji.com/jcfiles/file/35912890225.pdfIn PDF document text
- https://gamletaarnhuset.no/wp-content/plugins/formcraft/file-upload/server/content/files/16139c7f0e3ed2---23918674201.pdfIn PDF document text
- http://td-mg.ru/uploads/files/larulufuroxisi.pdfIn PDF document text
- http://minhledtran.com/luutru/files/pixesegudip.pdfIn PDF document text
- https://gaadalagi.com/contents/files/lesapivisejusolat.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_off0000bb3e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBB3E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000d350.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD350 | 16828 bytes |
SHA-256: 29c6963dfcf8772c3ee819a164e1786b811f704de7d7f1a88e0c3cafbd751103 |
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font_02_sfnt_off0000fe59.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFE59 | 10276 bytes |
SHA-256: e182965980f90a472ec6079c8dc44906990f41db1f0a7ae6386f90c9f0510728 |
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