MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. It contains numerous links, many pointing to compromised WordPress sites, suggesting a phishing or malicious redirection scheme. The document body is heavily obfuscated and unreadable, indicating an attempt to hide its true purpose.
Machine Learning
- Nyx PDF Classifier malicious score 0.9968
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://fultoys.com/userfiles/63977386620.pdf
- http://asesoriagarpe.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aadbb1dbc91---92562946531.pdf
- http://granitemountainranch.net/userimages/41447814523.pdf
- https://stagerightstaging.com/wp-content/plugins/super-forms/uploads/php/files/d7d282f21df15f6221da83e87239b631/zemamolijelafaxeme.pdf
- https://slezanie.eu/userfiles/file/78739067255.pdf
- http://vivaldiskibus.com/FileData/ckfinder/files/20210619_7A220EAFA3386FA2.pdf
- https://impeka.lt/components/com_mijoshop/opencart/image/data/files/2208012089.pdf
- https://stakeoutllc.com/wp-content/plugins/super-forms/uploads/php/files/e8bacd93c138390226b246313a77a498/36246387210.pdf
- https://happycustomerservice.com/wp-content/plugins/super-forms/uploads/php/files/f6a0323be06bd78814ee936c0eaaf5f9/nesikavafuvewudir.pdf
- http://mai-colle.jp/userfiles/file/lovumu.pdf
- https://www.medicalart.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1607d3f5cab0bf---38870583253.pdf
- http://www.191seo.com/wp-content/plugins/formcraft/file-upload/server/content/files/16071ed307969d---9915091010.pdf
- http://fobosgrunt.ru/files/ckfinder/files/dafet.pdf
- http://incomsistema.ru/ckfinder/userfiles/files/14623961905.pdf
- https://www.burit.net/wp-content/plugins/formcraft/file-upload/server/content/files/1608b79ac9b6a1---zegivazudorenem.pdf
- http://primaneighbors.com/userimages/26045741516.pdf
- https://ozmutludokum.com/userfiles/file/zudomenuwudisulafixe.pdf
- http://lichnyiybrand.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16097cbd13441d---zowesetobatuti.pdf
- https://estigotours.com/wp-content/plugins/super-forms/uploads/php/files/22af00ce3a2bc6e6af829d5467bbe055/40855192615.pdf
- https://www.cfo-search.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d67f9a32676---jowaj.pdf
- https://maloneslandscape.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607da758473ff---jisinowakolaziroxifojiz.pdf
- https://travelinnsuites.com/nbloom/fckuploads/file/52466261359.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/S30rS-6n6vg/uplcv?utm_term=little+drummer+boy+lyrics+king+and+country
- 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_off0000c7f2.bin9955f579f5d23d058fd6aa5f577a746adf3c740c45a7238c443eafe227c81ad1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC7F2 | 20372 bytes |
font_01_sfnt_off0000fbe7.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFBE7 | 16792 bytes |
font_02_sfnt_off000113fe.bin6322721beabf234684bd72df50e4afc8f899268fc36471aaf6ac10dc40005cf5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x113FE | 11116 bytes |
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