MALICIOUS
164
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, indicating a phishing or trojan threat. It contains numerous links, several of which point to compromised CMS uploads and disposable hosting, suggesting a link farm designed to redirect users to malicious content. The presence of a visual download button further supports a lure-based attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9994
Heuristics 7
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://mayurherbal.com/userfiles/file/12592815146.pdf
- https://tipresentoio.it/images/file/mivimatamutonowirilen.pdf
- http://charontrade.hu/data/file/30622470851.pdf
- https://deewo.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607f98ffab63d---zazarumekuvuzifubepis.pdf
- https://questyme.com/userfiles/file/jarisesugidulazotubi.pdf
- http://www.suffaheducation.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bdd010bdee0---88970277150.pdf
- https://archltginc.com/wp-content/plugins/super-forms/uploads/php/files/2f2f63c5ce494c930871a48e30d59558/24894035024.pdf
- http://hglobaltour.com/FileData/ckfinder/files/20210719_2552F129180D974D.pdf
- https://www.duffylighting.com/wp-content/plugins/super-forms/uploads/php/files/c704faf240f6facc3cd71a8906fc76eb/53176985189.pdf
- http://fotossc.pl/_files/file/71727131553.pdf
- http://www.iso-clean.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1610c7b07c2bd7---39124868747.pdf
- http://yejida.com/userfiles/file/16525304099.pdf
- http://rayanchem.com/d/files/nobedefeteteguvevituru.pdf
- http://maility.pl_adresuserfiles/file/winusizak.pdf
- https://frontiersneurophotonics.org/wp-content/plugins/formcraft/file-upload/server/content/files/1/16089e1f323b3e---lulepanagabaruxerinopu.pdf
- https://beautifullifeuk.com/wp-content/plugins/super-forms/uploads/php/files/76102ff3d9ca41e6aa38a1e0373c19f5/vetukokunixufilu.pdf
- http://goddesshair.net/upload/users/files/79212989544.pdf
- https://avistravel.ro/userfiles/file/77962522855.pdf
- https://www.skyline-recruiting.com/wp-content/plugins/super-forms/uploads/php/files/8a59f3da4e7f47f052b64735179952ae/20278517998.pdf
- https://bizdrive.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1/1606ea7117dc60---laduzatediwusepogexi.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/ngfLrbzwjls/uplcv?utm_term=baldi%27s+unreal+basics+download+free+pc
- 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_off0000ef48.bin79f27ef1bf85ca6c198d098614f2f622ee7798d500390a76c2468bf998b64bfe |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF48 | 16060 bytes |
font_01_sfnt_off00010454.bin21fe0f1d935f02e48a4b4474b1006b583d82b5b10ee0b3d60e3c801ec8812bb4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10454 | 17780 bytes |
font_02_sfnt_off0001336b.bin2865e5e5fb1cf8745251b016558b9a0689c7196c515078ecaea1b41b71cfd2ed |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1336B | 10928 bytes |
font_03_sfnt_off00014cbc.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14CBC | 16792 bytes |
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