MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. Heuristics indicate it functions as a link farm, with numerous URLs pointing to compromised WordPress uploads and disposable hosting. These links likely serve to redirect users to phishing sites or download further malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9960
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://oniceh.ru/uplcv?utm_term=cara+membuat+simbol+copyright+di+android
- http://intechsol.kz/wp-content/plugins/formcraft/file-upload/server/content/files/1613bd6253827b---jekaxuxemosekunegekotuso.pdf
- http://machulski.com/public/file/duwazavewozagerimebulowok.pdf
- http://e-instar.com/userfiles/file/20719755201.pdf
- http://studioferrato.it/userfiles/files/zisavavukakifukiru.pdf
- https://kratky.eu/files/file/35701191153.pdf
- https://bedandbreakfastchia.it/userfiles/file/887385306.pdf
- https://www.displaysdirectaustralia.com.au/application/third_party/ckfinder/userfiles/files/xixewujetugobatatitu.pdf
- http://azco.friend-match.com/upload/files/54817431190.pdf
- http://gibisch.org/files/files/52856001797.pdf
- http://photo-ostrov.com/ckfinder/userfiles/files/sanepezulujumijisoka.pdf
- http://ageofwonders.buka.ru/sadm_files/18625815525.pdf
- http://cafesezony.ru/fck_editor_files/files/47106481946.pdf
- https://f1com.ge/wp-content/plugins/super-forms/uploads/php/files/6521b411da8a5a9f6bd157554e40e33f/dilujajenudimidup.pdf
- http://slkuang.com/v15/Upload/file/202199126291011.pdf
- http://bulk-supplies.com/userfiles/files/povitiremukagawogamutig.pdf
- http://amsasecretariat.fr/userfiles/file/babaxoveroludedotapawovo.pdf
- https://www.osteopathe-montpellier-sud.fr/ckfinder/userfiles/files/guwubujuluxar.pdf
- https://www.frontierexim.com/wp-content/plugins/super-forms/uploads/php/files/506g9ned0rto531b27fpqivf3p/tifujulijetefesazaji.pdf
- http://modnyi-buket.ru/uploads/files/31303843227.pdf
- https://calmoinc.com/upload/editor/file/48061031164.pdf
- http://tainanrup.longi.tw/uploadfiles/files/20210909_213443_3664.pdf
- http://sensitiva.fi/UserFiles/File/65019575126.pdf
- https://www.rt9.rspo.org/ckfinder/userfiles/files/tebarutiga.pdf
- 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_off0000d18b.bin12e984b6ecf88b2ba4a198fa670498fdc686babae98cc6abc408769b77db1c4a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD18B | 17656 bytes |
font_01_sfnt_off0000ffa6.binb92cf56ac7c8d8eb9e857af31962fd36954d3e953abed07e1ad3e308d6f888ec |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFFA6 | 11344 bytes |
font_02_sfnt_off000119c6.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x119C6 | 16792 bytes |
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