MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. Heuristics reveal it functions as a link farm, directing users to multiple external URLs, some hosted on compromised WordPress sites. The presence of numerous URLs, including those with 'utm_term' parameters, suggests an attempt to lure users to potentially malicious or phishing sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
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://garglob.ru/uplcv?utm_term=guitar+beginner+notes+pdf PDF link annotation
- https://ddtoyz.com/ckfinder/userfiles/files/55708011729.pdfIn PDF document text
- http://vers-ma.de/userfiles/file/61306643610.pdfIn PDF document text
- http://immodraft.de/images/architekten_agentur_images_/file/tevujaladuj.pdfIn PDF document text
- http://svaz-podnikani.cz/files/file/wurirenefetoz.pdfIn PDF document text
- http://veewood.com/file_media/file_image/file/rivale.pdfIn PDF document text
- https://mamadona.ru/ckfinder/userfiles/files/neduzutokuguxugopiri.pdfIn PDF document text
- https://harpethvalleyhealth.com/wp-content/plugins/super-forms/uploads/php/files/40746bd5ca9288ae3f7d5c3d9731ed4f/6108666614.pdfIn PDF document text
- http://nanoscopy.ru/uploads/files/tilakamosoju.pdfIn PDF document text
- http://for-rent-leuven.com/wp-content/plugins/formcraft/file-upload/server/content/files/161394af41bc92---35685431085.pdfIn PDF document text
- http://nigerseedindia.com/uploads/tujofalusidimodogix.pdfIn PDF document text
- https://zivotzaokny.eu/res/file/megubobomamokitatugewonog.pdfIn PDF document text
- http://sloplast.com/userfiles/files/xinoletono.pdfIn PDF document text
- https://thehamptonsbloomington.com/wp-content/plugins/formcraft/file-upload/server/content/files/161463f51f4089---wijataxivija.pdfIn PDF document text
- http://briztravel.com/upload/files/lipelarokesiwurosejakazan.pdfIn PDF document text
- http://tuanlongland.com/upload/files/vifemi.pdfIn PDF document text
- http://sbsinternationalschool.org/userfiles/file/nasosiluwumo.pdfIn PDF document text
- http://alpinist.store/sribati/editor/uploadfiles/degojenapowibaduwotope.pdfIn PDF document text
- https://alaskaproauto.net/nbloom/fckuploads/file/xaxuwaxeneruwixemiguwowan.pdfIn PDF document text
- http://xn--o39a91gvwm83kbsn.com/FileData/ckfinder/files/20210913_8E2CD1C612748DCE.pdfIn PDF document text
- http://gamax-moto.cz/data/dokumenty/wapewinit.pdfIn PDF document text
- https://iskoruma.com/upload/ckfinder/files/11665197221.pdfIn PDF document text
- https://h16hr15k-h19hr37urn.com/contents/files/sojisamujapesiraruwosi.pdfIn PDF document text
- https://0286869143.com/editor_images/files/78550682103.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_off0000d731.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD731 | 17328 bytes |
SHA-256: 0836ce54f8a88de591ebdfc96b1565b0f6730044a7bb9d5bcc0670d7dbcfb7dd |
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font_01_sfnt_off000103ea.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x103EA | 10904 bytes |
SHA-256: e28c0886acc1cb4f79c7ef099986f1cc81184619ef86f4b4350a1ad2a78cd1ed |
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font_02_sfnt_off00011ce0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11CE0 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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