MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs, many of which point to compromised CMS uploads or disposable hosting, indicating a link farm designed to redirect users to potentially malicious sites. The ML classifier and ClamAV detection strongly suggest malicious intent, likely for phishing or malware delivery.
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=how+do+sea+otters+get+their+food PDF link annotation
- http://suaups.net/userfiles/file/84257567165.pdfIn PDF document text
- http://rc-modeller.se/images/file///kezoduxezomogude.pdfIn PDF document text
- http://csc020.com/userfiles/file/20210901161717_d5j2w8.pdfIn PDF document text
- http://lltsg.com/uploadfile/file///2021090220294125.pdfIn PDF document text
- http://duancanhotot.com/upload/files/69685105948.pdfIn PDF document text
- http://falconltd.pl/cache/file/joresugi.pdfIn PDF document text
- http://andlupa.com/userfiles/file/10268169919.pdfIn PDF document text
- http://www.uc-kushiro.net/images/library/File/86271689237.pdfIn PDF document text
- https://lederstuhlshop.de/ckfinder/userfiles/files/japipemoposuweletifoz.pdfIn PDF document text
- https://predial-rua-nova.pt/056-CovadaLua/images-editor/file/kaladisemewiwozekiwajanoz.pdfIn PDF document text
- http://flygarfield.net/userfiles/file/sagezixerilegubiwam.pdfIn PDF document text
- http://consol.hu/images/uploadedimages/file/3500347348.pdfIn PDF document text
- https://www.kadinlarsitesi.org/wp-content/plugins/formcraft/file-upload/server/content/files/161392b5c38a69---sogozefel.pdfIn PDF document text
- https://retrofitoman.com/ckfinder/userfiles/files/tutibaragodibibojadafe.pdfIn PDF document text
- http://elitvorota.ru/f/file/topamebetul.pdfIn PDF document text
- https://glass-haus.ru/wp-content/plugins/super-forms/uploads/php/files/9a961843560d5c432f31d044e4c73324/34122820601.pdfIn PDF document text
- http://www.thediethub.in/wp-content/plugins/formcraft/file-upload/server/content/files/1613468fa85de4---somuxazujazexupuwo.pdfIn PDF document text
- http://indigobaby.eu/upload/files/moluzaj.pdfIn PDF document text
- https://markaoyun.com/calisma2/files/uploads/91315744225.pdfIn PDF document text
- http://gzcil.com/uploadfile/files/65558718733.pdfIn PDF document text
- http://shinies.ru/img/lib/file/84968139268.pdfIn PDF document text
- https://saint-florentin.charcutier-traiteur.fr/ckfinder/userfiles/files/78743574449.pdfIn PDF document text
- http://schodylux.pl/userfiles/file/82884650621.pdfIn PDF document text
- http://vishwkarmaenterprises.com/webroot/img/userfiles/files/fejoje.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_off0000e0e8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE0E8 | 17336 bytes |
SHA-256: 186180dca25115294168b535691cd5854957a1e29252342409f7c3b0b08884dd |
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font_01_sfnt_off00010d11.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10D11 | 10560 bytes |
SHA-256: 70a8202cbdf5463c35c04396750378e179a0c7eb2b354af5f1a03eee5cbbc117 |
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font_02_sfnt_off00012520.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12520 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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