MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. It contains numerous links pointing to compromised WordPress sites, which are likely used to host malicious content or redirect users to phishing pages. The presence of a link farm on disposable hosting further supports a malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9952
Heuristics 6
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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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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 http://www.ashtralmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c462fb29de5---ragegemim.pdf
- https://www.physioaktivkramer.de/wp-content/plugins/formcraft/file-upload/server/content/files/1609a5bfb92f94---kutadafozupesirenulaje.pdf
- https://advancedbusiness.co/wp-content/plugins/super-forms/uploads/php/files/792b521933e20382ba9e3402b846a8af/runolelokilanokodijolo.pdf
- https://atx-stroy.ru/wp-content/plugins/super-forms/uploads/php/files/661128774a29b14dc832844667809718/21507452465.pdf
- http://gemculture.com/userfiles/file/wupetilupitejopovukupiw.pdf
- http://principessavencanice.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bac02aed351---28362339314.pdf
- http://originalcheck.it/public/img_admin/file///75652505911.pdf
- https://www.escon.it/wp-content/plugins/super-forms/uploads/php/files/633bb48af70dfb39dbb717714a1a96a4/33145930401.pdf
- https://dialogueinpraxis.net/files/docs/woxiroxesirit.pdf
- http://www.unidacardoso.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160872efac5853---muvozinalemilakade.pdf
- http://forter.vn/hinhanh/file/zonelitebunu.pdf
- https://regeneracion-capilar.com/wp-content/plugins/super-forms/uploads/php/files/61bf5fb4e3a0579083c0feac6eed0114/68966626450.pdf
- https://sipare.com.ar/wp-content/plugins/super-forms/uploads/php/files/1sdh1rdgrjbgv6hcmee1cfo2ad/tusirajekebiwezelam.pdf
- https://www.baptistenhardenberg.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16072b00114812---viwan.pdf
- http://ahkjt.com/upfile/file/veniforifisizexofisago.pdf
- https://drvishweshwari.in/userfiles/file/rusutofavuwatewalosuteraz.pdf
- https://aduanaldelvalle.com/userfiles/file/31157523777.pdf
- http://www.korayozelguvenlik.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b3c6f65b45c---84796760168.pdf
- http://caacoding.net/wp-content/plugins/formcraft/file-upload/server/content/files/160c3d12c526d5---tamonitijujebamazixob.pdf
- http://backkwang.com/userData/board/file/16963321475.pdf
- http://asbazainville.org/userfiles/file/85956514419.pdf
- http://lichnyiybrand.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160aa35781fa84---15587082094.pdf
- http://www.peopleoftheheath.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a6e6e944e9b---88564142086.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/3CAf4wW3hvY/uplcv?utm_term=2020+tax+withheld+calculator
- 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_off0000f1f1.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF1F1 | 16792 bytes |
font_01_sfnt_off00010a03.bine3fb53c609c9bf3526b41569d64bbf4da79c426aa70e9ca2687c11d064353036 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10A03 | 17824 bytes |
font_02_sfnt_off00013868.bin0583ef7ebdbc7ed787f1ad9843f965ebc993c8fd0e9d761e4d9549480acf8c34 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13868 | 10628 bytes |
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