MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous external links, many pointing to compromised WordPress upload directories, suggesting a link farm or phishing lure. The PDF structure and embedded URIs are consistent with malware distribution or phishing campaigns.
Machine Learning
- Nyx PDF Classifier malicious score 0.9692
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=one+piece+episode+934+download
- http://worksafeorg.com/wp-content/plugins/super-forms/uploads/php/files/h4egnefufagiqurp7r0jnopfu6/12008867809.pdf
- https://baobihungphu.com/media/ftp/file/95791213277.pdf
- http://doo-san.com/userfiles/file/20210525135456.pdf
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b8385884b35---17164693534.pdf
- http://teusz.pl/UserFiles/file/noregirobizujaxuje.pdf
- http://alibabashipping.com/userfiles/file/35228281198.pdf
- http://www.houstonorientalrug.com/ckfinder/userfiles/files/bodorisalakupugudol.pdf
- http://ciaooo.ru/uploades/userfiles/file/42999699771.pdf
- http://webbuilders.com/files/file/pubajetowavex.pdf
- https://comobrew.com/newsite/images/user_uploads/file/36356055686.pdf
- https://www.jscorporation.co.in/wp-content/plugins/formcraft/file-upload/server/content/files/1608574f34aacf---58250936069.pdf
- https://www.mnspineandsport.com/wp-content/plugins/super-forms/uploads/php/files/97cfab22210fda5627a664f6b15fd47a/59045562352.pdf
- https://estigotours.com/wp-content/plugins/super-forms/uploads/php/files/905890c2d6243283fad2c1fe0da63b48/defupudolur.pdf
- https://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607e34e1b975e---13725238720.pdf
- http://anhuizhkj.com/upload_fck/file/2021-5-25/20210525234433401320.pdf
- https://lokmangal.co.in/wp-content/plugins/super-forms/uploads/php/files/1d11d89a0286f2f2180d199ecb09c177/zitegefavupadukiwuvewero.pdf
- http://www.ponderosafestival.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bd6e7ac9db0---fubuwum.pdf
- http://www.hollyskauaicondo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a5bb3f676ff---javumogixuxodujox.pdf
- https://underworldgear.com/upload/users/files/50040340579.pdf
- https://petroblend.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b643aac8381---56919411291.pdf
- https://lee-trading.tw/archive/upload/files/mawazukejavodil.pdf
- https://www.higher-energy-trampolineclub.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f50a2aa92e---31924037923.pdf
- https://www.femregenx.co.za/wp-content/plugins/super-forms/uploads/php/files/fpn19u1bv37k4bp98up0kkartm/94204850836.pdf
- http://www.homefacelifters.com/wp-content/plugins/super-forms/uploads/php/files/3d38f4c03ec840ce4545a45116fdb643/88557810132.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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0001b677.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1B677 | 16792 bytes |
font_01_sfnt_off0001ce8e.bin37e9895bc48286f2c44278ddcb1aee43d4e76131b537fd85eb5cb50a0ce02fa9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1CE8E | 10836 bytes |
font_02_sfnt_off0001e7c8.binbbe78099c34261593534fd78a979a270ea9bac059f9d8cb3b82dde5a2752c827 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1E7C8 | 83584 bytes |
font_03_sfnt_off0002bff7.binae8fba23a69f4a6d58323452798a46b2faabde3893523c04081bf7fe94e4fb29 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x2BFF7 | 18552 bytes |
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