MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs, many of which are hosted on compromised or disposable domains, indicating a link farm designed to redirect users. The presence of 'utm_term=remote+desktop+via+android+tablet' suggests a lure related to remote access or device compromise. ML classification and ClamAV detection strongly indicate malicious intent, likely phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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://catamma.ru/uplcv?utm_term=remote+desktop+via+android+tablet
- http://sochi-vitrazhi.ru/ckfinder/userfiles/files/pogusazowo.pdf
- http://zoo-foto.cz/userfiles/file/22964074801.pdf
- https://arihantgranites.in/wp-content/plugins/super-forms/uploads/php/files/f8ddb911f55b738dc65e1462c1270f07/nutol.pdf
- http://stoewebdesign.no/userfiles/file/gawonu.pdf
- https://samsunyapi.com/userfiles/files/50936704957.pdf
- http://sandlnae.com/data/editor/file/kavademijowinez.pdf
- https://learnrkbin.jugalbandiresearch.com/ckfinder/userfiles/files/77783254011.pdf
- http://technocom.pl/editor/file/demalefixuwora.pdf
- http://internet-trade.eu/UserFiles/file/gazovoros.pdf
- https://www.uniqueartzz.com/wp-content/plugins/super-forms/uploads/php/files/gdmp80995ltv3dc5gfffb243s4/95713035256.pdf
- http://www.injamal.es/nueva/ckfinder/userfiles/files/92802422431.pdf
- https://wecareu.net/ckfinder/userfiles/files/16503861080.pdf
- http://vsrru.ru/userfiles/file/83332026048.pdf
- http://www.sintsprev-ms.org.br/ckfinder/userfiles/files/88564903091.pdf
- http://yunnanyingxiang.com/ckfinder/userfiles/files/93314676213.pdf
- https://castel.ro/userfiles/file/raluxakeridig.pdf
- http://zjqzzx.com/uploadfile/file/2021091005471573499.pdf
- https://smg.bid/ckfinder_userfiles/files/badusupojuvedafe.pdf
- http://szerecsen.hu/editor_up/gewevi.pdf
- http://stellarp.com/userfiles/files/ridifafedikezigufumexilo.pdf
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613ad2a6e954b---rovupusebowadezen.pdf
- http://uptownfallschurch.com/uploads/files/80418539679.pdf
- http://www.cascinasorigherio.it/wp-content/plugins/formcraft/file-upload/server/content/files/1613d1ca4bd8d1---gelunidopelukoxili.pdf
- http://astorandblack.net/emailer/userfiles/file/34246424709.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_off0000dcfe.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDCFE | 16792 bytes |
font_01_sfnt_off0000f515.bin5c35e38797329c9133b8492df625a1da93776911c696a8c96e5633c9aaeb0520 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF515 | 10896 bytes |
font_02_sfnt_off00010e18.bin70430a0e5f2dfa5c0225f86bff6c1c7ca035d558ef27f63ec07b5f3cac032255 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10E18 | 18140 bytes |
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