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. Heuristics identified it as a PDF link farm, with many URLs pointing to potentially compromised websites or disposable hosting. The presence of `utm_term` parameters suggests a phishing or SEO-based lure to trick users into downloading files.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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://oniceh.ru/uplcv?utm_term=smart+puzzles+mod+apk+download PDF link annotation
- http://burragebrothers.org/demo/jolie/beta/userfiles/files/mupovaladewego.pdfIn PDF document text
- http://smartpaintingplus.com/userfiles/files/50716980019.pdfIn PDF document text
- https://nam.it/wp-content/plugins/formcraft/file-upload/server/content/files/1614d852865c9a---podofepozivubegaxir.pdfIn PDF document text
- http://laclonghotel.vn/upload/files/sorunesivuvokew.pdfIn PDF document text
- http://ziepniekkalns.lv/wp-content/plugins/formcraft/file-upload/server/content/files/161359e8eb92d0---8011576340.pdfIn PDF document text
- http://www.maoles.com/wp-content/plugins/formcraft/file-upload/server/content/files/16131b9cb91530---wemixotugadiw.pdfIn PDF document text
- http://goodfortune.hk/UpLoadFile/file///somirudogi.pdfIn PDF document text
- http://lukoilmarine.com/ckfinder/userfiles/files/vazilokeletumoronu.pdfIn PDF document text
- https://samsungdvmklima.com/upload/ckfinder/files/13162364037.pdfIn PDF document text
- http://espacioschillout.es/images/admin/file/48875398366.pdfIn PDF document text
- https://petrovsky14.ru/docs/files/zuturimozo.pdfIn PDF document text
- http://dae-young.kr/upload/fckeditor/file/17466077264.pdfIn PDF document text
- http://dga.gr/ILC/img/file/62781908692.pdfIn PDF document text
- http://stigstudiotecnico.it/userfiles/files/71679102590.pdfIn PDF document text
- https://www.myjamaicais.com/wp-content/plugins/super-forms/uploads/php/files/38067f4d2d26dbc2386a651604eab837/13301992574.pdfIn PDF document text
- http://www.gobarging.com/uploads/textareas/file/32778944408.pdfIn PDF document text
- https://ver9.sonikgps.com/ckfinder/userfiles/files/vidizibefozij.pdfIn PDF document text
- http://kmbb.at/userfiles/file/41375286933.pdfIn PDF document text
- http://www.sanjuktabanerjee.com/fckimages/file/29081365082.pdfIn PDF document text
- http://yigang-lin.com/uploads/files/202109090105262362.pdfIn PDF document text
- http://itena.si/uporabnik/file/wutegulafeb.pdfIn PDF document text
- https://www.pelicanfinancialnetwork.com/ckfinder/userfiles/files/51588050707.pdfIn PDF document text
- http://abcbyspu.com/ckfinder/images_store/files/44715450452.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_off0000aec1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAEC1 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000c6d3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC6D3 | 15344 bytes |
SHA-256: d457b0111b8c73c4ac25b329a0e500287866efba9bd2c2328efd6c2589c9fdfb |
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font_02_sfnt_off0000edf5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEDF5 | 10876 bytes |
SHA-256: 00511644166587c7ca4cb892cb11755fcb0c6797893a91740effcb23ff82aede |
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