MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs pointing to suspicious domains, many of which are structured as link farms. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' indicates a deliberate attempt to obscure the true malicious destination by using multiple disposable hosts and UTM parameters. No scripts were extracted, but the overall structure and URL distribution strongly suggest a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9949
Heuristics 5
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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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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://queure.ru/uplcv?utm_term=play+gta+5+on+android+free PDF link annotation
- http://branonperformance.com/ckfinder/userfiles/files/78246337803.pdfIn PDF document text
- https://31app.com/userfiles/file/noramogexavuberuwotata.pdfIn PDF document text
- http://papaicountrylodge-longstay.com/user_img/files/3549547798.pdfIn PDF document text
- http://oinfo.cz/userfiles/file/rapokovasonopezumegawo.pdfIn PDF document text
- https://veritiesinstitute.com/wp-content/plugins/super-forms/uploads/php/files/ff6b8933c8cfaea3fe3c5217c8006a3e/nejigunosopekikiritoji.pdfIn PDF document text
- http://jilienjrubin.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/17183887524.pdfIn PDF document text
- https://asiastudy.in/ckfinder/userfiles/files/xemaderazinop.pdfIn PDF document text
- http://king-tableware.com/uploads/files/202109090601217427.pdfIn PDF document text
- http://dydlhx.com/upfiles/file///tevorudiwejuwinugub.pdfIn PDF document text
- https://tiemhoamo.tiemhoahaibara.com/data/dulieu/files/4085444783.pdfIn PDF document text
- https://irish-setter-zucht.info/ckfinder/userfiles/files/36433073838.pdfIn PDF document text
- http://canyonoaksmtg.com/~duckdi5/canyonoaksmtg.com/content/file/foxokija.pdfIn PDF document text
- http://michalpavlicek.com/uploaded/file/58078216480.pdfIn PDF document text
- http://tacchigroup.com/public/thread/risorse/file/jiwuli.pdfIn PDF document text
- http://lycee-elm.org/userfiles/file/bovasibuteridamurada.pdfIn PDF document text
- http://perchegouet.com/ckfinder/userfiles/files/kujukopumitobufexan.pdfIn PDF document text
- http://st03.it/userfiles/files/fovopibutigop.pdfIn PDF document text
- https://catwalkdogcome.com/editor_upload_image/file/25557777312.pdfIn PDF document text
- http://oguzlarotomatiksanziman.com/depo/sayfaresim/file/gukasubu.pdfIn PDF document text
- http://salonlomi.pl/wp-content/plugins/formcraft/file-upload/server/content/files/161371dffc797f---musizuranipipigevudur.pdfIn PDF document text
- http://pospatrans.cz/UserFiles/File/wefemilogi.pdfIn PDF document text
- https://gbagencement.fr/uploads/file/42582420221.pdfIn PDF document text
- https://cissud.eu/uploads/ck_editor/files/78317495648.pdfIn PDF document text
- http://xn----9sbkvfu2aex3d.xn--p1ai/ckfinder/userfiles/files/11808380596.pdfIn PDF document text
- https://olivermilk.com/tctt/sites/aaa/file/47130189063.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_off0000d79b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD79B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000efb2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEFB2 | 10612 bytes |
SHA-256: 52a6173a064b256124d531f0f81dd45d0ab0f19a03019a573601f56888fbe035 |
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font_02_sfnt_off000107f2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x107F2 | 16800 bytes |
SHA-256: 31885f5466abd1eb57d4b63cd20958a732d641db4ef3dd83bcf2b53331d7846d |
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