MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious File
The PDF contains numerous links pointing to compromised WordPress sites, specifically targeting form upload functionalities. These links likely serve as a distribution point for further malicious content or phishing lures. The ML classifier and ClamAV detection strongly indicate malicious intent, with the primary attack pattern being the use of a link farm to direct users to potentially harmful files.
Machine Learning
- Nyx PDF Classifier malicious score 0.9953
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 http://prodesign31.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160b817d453b8a---37585866327.pdf
- http://www.barankayalar.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160a6eb364305c---58783371616.pdf
- https://webhostmurah.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a24900bd7ca---vemotozoliz.pdf
- https://www.hotel-palladium.gr/wp-content/plugins/super-forms/uploads/php/files/qjitmmu2u5k4tcdtnfru4s67a1/fojiruzefudefodaloro.pdf
- http://www.chatanakonci.cz/userfiles/file/79748768445.pdf
- http://www.lifestaralberta.com/wp-content/plugins/formcraft/file-upload/server/content/files/160af896536ec9---sumetafajuwivusedipizu.pdf
- https://ajitcoatings.com/uploads/44530827633.pdf
- http://anhuifan.com/upload_fck/file/2021-4-30/20210430001420541041.pdf
- https://expungemyrecordnj.com/wp-content/plugins/formcraft/file-upload/server/content/files/16094df5522826---rosibukojutut.pdf
- http://triumphtoday.org/wp-content/plugins/formcraft/file-upload/server/content/files/160ae0c61c7750---84204964430.pdf
- http://www.socalgreatwhite.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607f4f8abd314---tifididafozilewumeje.pdf
- http://alconburyreunion.com/clients/36523/File/meridukig.pdf
- https://bindazzled.com.au/wp-content/plugins/super-forms/uploads/php/files/1d12d6cb38846a82a35a907afa05794b/28853700287.pdf
- https://renetravel.ro/images/files/2344184910.pdf
- http://pulsrmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c1df1467efc---26131741415.pdf
- http://jhsclassof63.com/clients/c/c8/c8cc7cee7579ddcd469b669c0eb172d8/File/52077623675.pdf
- https://www.havanasalsa-dance-tours.com/wp-content/plugins/super-forms/uploads/php/files/8ed089f9d9ea8a63aa0b0cd10963d2f4/24926838006.pdf
- http://bhhangkhong.com/upload/images/files/witevetujuravowo.pdf
- https://amezdigital.com/wp-content/plugins/super-forms/uploads/php/files/f7bfdc50c62c4917b0b6aac6fb0a8ad3/goveju.pdf
- http://anandamsanyal.com/userfiles/file/rupezitun.pdf
- https://mt-creativestudio.com/ckfinder/userfiles/files/35268326501.pdf
- https://www.cocochan.com.pk/wp-content/plugins/super-forms/uploads/php/files/1b0857dad76791297af3db03c5d7f97e/84895066564.pdf
- http://makaeximworld.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609041c97d46a---melazoluw.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/PmAiG5ZyT-k/uplcv?utm_term=download+the+maze+runner+pdf+free
- 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_off0000c045.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC045 | 16792 bytes |
font_01_sfnt_off0000d85c.bin4de987e64c37851d15fa67d2ba23b0a4ff6506a6ed147a2efab899b136e8068e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD85C | 10752 bytes |
font_02_sfnt_off0000f0eb.bin65e38d32d0a82d887da8282c9c3005fb7ad809ffca093715c509c87940cb3890 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF0EB | 17752 bytes |
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