MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous links pointing to various domains, many of which are hosted on compromised WordPress sites or disposable hosting. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' and 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM' indicate a pattern of creating link farms, likely for SEO manipulation or to host malicious content. The ML classifier and ClamAV detection strongly suggest malicious intent, classifying it as a phishing trojan.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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://sv-fin.ru/wp-content/plugins/super-forms/uploads/php/files/c2284e5a9ca76d9fc7c48d46821bd349/47314867329.pdf
- https://www.reliancecareuk.com/wp-content/plugins/super-forms/uploads/php/files/44a31804fe962062a7db086140fde31e/tazamusunikimi.pdf
- http://aimic.com/userfiles/file/jowebapadiba.pdf
- https://brylka-kfz.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607c333273f14---sizizuwevewasuwav.pdf
- http://profil-metall.de/content/uploads/file/87844050067.pdf
- http://hattrick-sports.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c01d9e22aef---84247171164.pdf
- http://macautemple.com/userfiles/file/varikixezojeserama.pdf
- https://www.alarisusallc.com/wp-content/plugins/super-forms/uploads/php/files/ca8061a31be9fbd75da67c592e729004/76446862127.pdf
- http://tuclubcr.com/campannas/file/nuviduf.pdf
- http://www.combatsim.eu/wp-content/plugins/formcraft/file-upload/server/content/files/160a5348e1f9b8---vesigatufanuriranixaned.pdf
- https://www.gsccn.it/wp-content/plugins/formcraft/file-upload/server/content/files/160a64f6b25df1---7566773157.pdf
- http://clair-environnement.eu/catalogue_dynamique/file/40946895893.pdf
- http://smithmurdock.com/wp-content/plugins/formcraft/file-upload/server/content/files/16079d0b8a7369---86645453170.pdf
- https://kolbandibileklik.com/resimler/files/19328595389.pdf
- http://pwmtqatar.net/userfiles/file/86258008763.pdf
- http://bukharageorgia.com/sites/default/files/file/kogito.pdf
- https://www.pharmawell.eu/ckfinder/userfiles/files/27836978861.pdf
- http://archissimo.eu/userfiles/files/93839154172.pdf
- http://champaigncursillo.com/userfiles/file/8891210849.pdf
- https://churchosonline.com/wp-content/plugins/super-forms/uploads/php/files/b6d43c20ef36e67933535658d7146019/parilevataxabibosava.pdf
- http://parentini.it/userfiles/files/11913192397.pdf
- http://barrarioservicos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160704483a7a5e---desugifaferamifogol.pdf
- https://artsketch.ru/wp-content/plugins/super-forms/uploads/php/files/9eba067c9f5aef2ab6c2f0997648ad30/lipazegitizofipunuzilan.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/zMnd8XtcwSM/uplcv?utm_term=como+sacar+raiz+cubica+en+calculadora+normal
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f206.bin964f6e0b0095a4897211875f01ee8675848800a16a455d97a489cc84290f1abb |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF206 | 19228 bytes |
font_01_sfnt_off0001241f.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1241F | 16792 bytes |
font_02_sfnt_off00013c36.bin88a679a8b98c7dc1c2cde808313b9cb88aebb2cca7a67602e430e6017d74dff8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13C36 | 10764 bytes |
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