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 links to external websites, several of which are hosted on compromised CMS platforms or appear to be part of a link farm, suggesting a phishing or malware distribution scheme. The PDF structure and embedded links are consistent with techniques used to redirect users to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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://laborke.ru/uplcv?utm_term=the+alchemist+by+paulo+coelho+free+pdf PDF link annotation
- http://umrllc.com/userfiles/files/78887376567.pdfIn PDF document text
- http://lorofilmes.com/Uploads/ckfinder/userfiles/files/wefuzujomudotel.pdfIn PDF document text
- http://studiotecnicopetrillo.eu/userfiles/files/2617901152.pdfIn PDF document text
- http://posicert.com/upload_fck/file/2021-9-11/20210911185522704353.pdfIn PDF document text
- http://laserinnsbruck.com/static/sudusugas.pdfIn PDF document text
- https://gbagencement.fr/uploads/file/jelamelutamefufi.pdfIn PDF document text
- http://domosplast.hu/files/file/17393797803.pdfIn PDF document text
- http://gvs-russia.ru/admin/ckfinder/userfiles/files/suximem.pdfIn PDF document text
- http://krallarintavugu.com/upload/file/gofevogodiwap.pdfIn PDF document text
- https://ketgate.eu/wp-content/plugins/super-forms/uploads/php/files/d227db824ed1371b1497868fe1b8e6ed/3254307019.pdfIn PDF document text
- http://onnetsolution.in/userfiles/file/dotizelizixakazuvomom.pdfIn PDF document text
- https://xn--49st2et51duvk.com/upload/files/22599986844.pdfIn PDF document text
- http://giteduguedesboires.fr/userfiles/file/losajuvaduki.pdfIn PDF document text
- https://mk-promotions.com/ckfinder/userfiles/files/nidakan.pdfIn PDF document text
- http://www.kissdocs.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1613ee11054a7b---59591780086.pdfIn PDF document text
- https://autoprofi.ua/userfiles/file/36706867652.pdfIn PDF document text
- http://culfordequestriancentre.org/UserFiles/file/8461271632.pdfIn PDF document text
- http://boldogelet.hu/media/zizigize.pdfIn PDF document text
- http://kaufdeinauto.de/wp-content/plugins/formcraft/file-upload/server/content/files/16133d344e0c95---41478948186.pdfIn PDF document text
- http://toitureetfacade.fr/data/Files/zexenuvuwiwar.pdfIn PDF document text
- http://www.opencalgary.org/wp-content/plugins/formcraft/file-upload/server/content/files/1613d28970f4da---69343412561.pdfIn PDF document text
- https://gamepinleri.com/calisma2/files/uploads/76211508482.pdfIn PDF document text
- http://xn--80aap0abfiql8h.xn--p1ai/admin/ckfinder/userfiles/files/85734712271.pdfIn PDF document text
- http://santabruna.cl/upload/file/30808847509.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_off0000d8a1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD8A1 | 11100 bytes |
SHA-256: d2f0bb630e0bcc04c6c20c1431d11e48a77cc8aa01c3cf0f504473604f40799e |
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font_01_sfnt_off0000f24f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF24F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00010a61.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10A61 | 18156 bytes |
SHA-256: fa055ce4b9500a7ec20043992db96c5907fb960160e745befe60d7e15325816a |
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