MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by multiple heuristics, including a critical ClamAV detection and an ML classifier, indicating malicious intent. The presence of numerous embedded URLs, many on disposable hosting, strongly suggests a phishing or malware distribution campaign. The document body, though heavily obfuscated, contains metadata indicating it was generated by wkhtmltopdf, a tool sometimes used to create malicious PDFs.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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://cructi.ru/uplcv?utm_term=pubg+mobile+kr+version+apk+free+download PDF link annotation
- http://masukpt1.com/contents/files/37249855890.pdfIn PDF document text
- http://peggylittlelawoffice.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/20016244437.pdfIn PDF document text
- https://sport-jicin.cz/dokumenty/26152387433.pdfIn PDF document text
- http://anipetkingdom.com/webroot/img/files/dujafipimijufil.pdfIn PDF document text
- http://smirna.pl/files/file/33091492763.pdfIn PDF document text
- http://111-orte.com/testarea/cwsCMSlight/media/files/pikafopuzeludujipokuke.pdfIn PDF document text
- http://byecook.com/ckupload/files/famigasadedavejajiwane.pdfIn PDF document text
- http://www.diplomat2014.ru/ckfinder/userfiles/files/xagimukudejufekaza.pdfIn PDF document text
- http://reckdance.pl/userfiles/file/nedinibunupotoropajavo.pdfIn PDF document text
- http://cuspsurgeons.com/userfiles/file/67058207342.pdfIn PDF document text
- http://zovsh.com/Uploadfiles/files/velegarunakorilijebeledi.pdfIn PDF document text
- http://studioriggio.it/userfiles/files/51186903272.pdfIn PDF document text
- http://nova-auto.com/upload/32404889552.pdfIn PDF document text
- http://martonaroniskola.net/userfiles/file/17082990516.pdfIn PDF document text
- https://ciar.vn/uploads/image/files/sesorito.pdfIn PDF document text
- http://isisthailand.org/file_media/file_image/file/20882109573.pdfIn PDF document text
- http://roycraft.ca/userfiles/file/20460677594.pdfIn PDF document text
- https://ailani.org/wp-content/plugins/super-forms/uploads/php/files/a7b26da03cbd6a5a4cff66fa15b7cdce/75978212862.pdfIn PDF document text
- https://nieruchomosciturystyczne.eu/files/file/85862554440.pdfIn PDF document text
- http://offerparts.com/upload/files/7840399310.pdfIn PDF document text
- https://alemarferries.alemarsnp.gr/ckfinder/userfiles/files/bamanapedikudepux.pdfIn PDF document text
- https://bednidhitraders.com/userfiles/file/13376297657.pdfIn PDF document text
- http://thm-holding.ru/wp-content/plugins/super-forms/uploads/php/files/3223167b61b2726350eb486f9a5abd1a/xubajefasapiwopeg.pdfIn PDF document text
- https://gberwanda.com/gbe/useruploads/blogs/files/voxobuzawojikoxeliwexu.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_off0000d8c3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD8C3 | 11228 bytes |
SHA-256: ba0a57048b277eff7885656129a164c77e777cba0a370122edc28dcfbae8867a |
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font_01_sfnt_off0000f2ab.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF2AB | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00010abd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10ABD | 17516 bytes |
SHA-256: 2e0604d4875eef2f03741bfc0247e420b48979fc44088a73fa4c0fd6a10393eb |
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