MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous embedded URLs, many of which point to compromised WordPress sites or disposable hosting, indicating a phishing or malware distribution scheme. The ML classifier and ClamAV detection strongly suggest malicious intent. The document body is heavily obfuscated and appears to be non-readable content generated by wkhtmltopdf, providing no direct user-facing lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9971
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://crysiq.ru/uplcv?utm_term=double+shot+at+love+s02e05 PDF link annotation
- https://casaalu.com/luutru/files/fenuwitadakugiganiniwa.pdfIn PDF document text
- http://transporteslaplata.com/imagenes_web/file/rinot.pdfIn PDF document text
- http://edv-denk.com/userfiles/file/32088614329.pdfIn PDF document text
- https://tectrongim.com/uploads/file/sirizag.pdfIn PDF document text
- https://advantage.ee/media/contents/file/12463994921.pdfIn PDF document text
- https://rewaqousha.net/userfiles/files/guzixeratudun.pdfIn PDF document text
- http://razaviota.ir/basefile/razaviotair/files/pumobute.pdfIn PDF document text
- http://tbeaindia.com/userfiles/file/46008225593.pdfIn PDF document text
- http://hkwwta.org/userfiles/66158218745.pdfIn PDF document text
- https://postele-z-masivu.sk/ckfinder/userfiles/files/27857858856.pdfIn PDF document text
- http://gostium.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613ae54a5dbfd---94408414096.pdfIn PDF document text
- http://www.hkrns.org.hk/ckfinder/userfiles/files/tuxemukonilago.pdfIn PDF document text
- http://studiotecnicodambra.eu/userfiles/files/zisawefora.pdfIn PDF document text
- http://skkouty.cz/ckfinder/userfiles/files/19971113878.pdfIn PDF document text
- https://kaowei.tw/image/files/20211007_191801.pdfIn PDF document text
- http://prvugkh.ru/uploads/files/95387545406.pdfIn PDF document text
- https://securitydm.net/slicice/file/xilotafiretovawofufupoda.pdfIn PDF document text
- https://oknoplus-omsk.ru/wp-content/plugins/super-forms/uploads/php/files/7b1a7e9ae491c777fda79681efa80388/jakifuniguxazadejugefa.pdfIn PDF document text
- https://bentzendesign.se/wp-content/plugins/formcraft/file-upload/server/content/files/16134566f23fb1---33423657964.pdfIn PDF document text
- https://www.le-domaine-de-hauterive.fr/ckfinder/userfiles/files/78591116890.pdfIn PDF document text
- https://skyfireconsulting.com/wp-content/plugins/super-forms/uploads/php/files/1ktgkr3hilsoori90kkmb4v2md/83791279796.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_off0000bf53.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBF53 | 18484 bytes |
SHA-256: 3bf5b260829716cf93b50b17c4f03cc8a738d392d8607bfa82b112e2f1738403 |
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font_01_sfnt_off0000ef7f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF7F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00010796.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10796 | 10592 bytes |
SHA-256: 27e1644ca27a2a457ed929b3c2761f840ef5e80db1cb803a606759756df8dc09 |
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