MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by ClamAV as Pdf.Phishing.Trojan and ML classifiers indicated a high probability of maliciousness. The document contains numerous external links, many hosted on compromised or disposable domains, suggesting a link farm designed to redirect users to malicious content. The presence of a visual download button lure further supports a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9984
Heuristics 7
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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=youtube+converter+video+apk PDF link annotation
- http://fpempresa.cen.es/userfiles/files/70985639492.pdfIn PDF document text
- http://sashtraayurveda.com/ckfinder/userfiles/files/70943823159.pdfIn PDF document text
- http://boilerservis.ru/uploads/files/fomesegegolulopalowi.pdfIn PDF document text
- https://nceptionsolutions.com/wp-content/plugins/super-forms/uploads/php/files/476ae18dbb8bf2054a15c026ee063221/menasujatigupoton.pdfIn PDF document text
- https://deycaterers.com/ckfinder/userfiles/files/33265221178.pdfIn PDF document text
- http://3sdent.com/upload/files/50119461394.pdfIn PDF document text
- http://mbeautyconcept.com/upload/content_images/file/zinisurugi.pdfIn PDF document text
- https://www.booster-p.com/wp-content/plugins/formcraft/file-upload/server/content/files/16146dd9246721---wakerizadubebafivimuz.pdfIn PDF document text
- https://www.rogierstoel.nl/wp-content/plugins/super-forms/uploads/php/files/t86r5cvaci2onocfvcvn9pve3d/34050999720.pdfIn PDF document text
- http://zzzwchem.com/upload/files/18134764365.pdfIn PDF document text
- http://zygzak.eu/foto_dane/wysiwyg/File/8576686583.pdfIn PDF document text
- https://louvre.lv/res/wysiwyg/file/86149585608.pdfIn PDF document text
- http://chochosanencino.com/uploads/files/doxaxefamaruzutakotopag.pdfIn PDF document text
- http://erfansari.ir/ckeditor/files/files/lolifukirifafa.pdfIn PDF document text
- https://ra7a7p-h3ba7.com/contents/files/fivigixomamelipala.pdfIn PDF document text
- http://damosushipleasanthill.com/uploads/files/xoximozadesezoroneb.pdfIn PDF document text
- https://davidfauquemberg.com/home/fauquemb/david/bbdg_site/userfiles/file/7577923495.pdfIn PDF document text
- http://www.chp.pl/ckfinder/userfiles/files/nowogimotusetilek.pdfIn PDF document text
- http://amuseonline.com/absite/userfiles/file/jegatejutojefedikobavi.pdfIn PDF document text
- http://thetestmag.com/userfiles/files/dukesoverigogekivexifiji.pdfIn PDF document text
- http://tsmsaldature.it/userfiles/files/18941606286.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_off0000cdb7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCDB7 | 10672 bytes |
SHA-256: f0870becb9b16e89470adb4653918f303b04b6a52852d4137045c54b371c3b85 |
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font_01_sfnt_off0000e61a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE61A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000fe2c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFE2C | 16608 bytes |
SHA-256: 30918bd11b883b542187d84fab0dd43999b2c6c62d5c4f910439990932029792 |
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