MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by ClamAV as Pdf.Phishing.Trojan and an ML classifier indicated a high probability of maliciousness. Heuristics identified the document as a link farm pointing to compromised WordPress upload storage, suggesting an attempt to distribute malicious content or phish users. The presence of numerous unknown URLs further supports this assessment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9948
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://www.skupp.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160aad8afc9f57---birinadotit.pdf
- https://ecef-groupe.com/wp-content/plugins/super-forms/uploads/php/files/9p105o9c1vngtjt082qdajf720/dugasaka.pdf
- http://xn--dlek-5qa.com/admin/UserFiles/file/warawaxugoribuzunu.pdf
- http://www.sunarmisir.com.tr/wp-content/plugins/super-forms/uploads/php/files/n47jb8pqnk2r3o21qlcoit4pg6/kepaf.pdf
- http://inlikeflintlogistics.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d5c2533cd28---29745277259.pdf
- https://sipare.com.ar/wp-content/plugins/super-forms/uploads/php/files/g946uomamdcdkfni1hlc8dbeuk/xuguloguluzovafi.pdf
- https://ethiquedevelopers.com/wp-content/plugins/super-forms/uploads/php/files/a9dbe4f739aaed8b4d76ee1965da9d7f/70670573669.pdf
- http://xinyuemu.net/assets/202107/files/20210704062120791426.pdf
- https://rkdestate.com/userfiles/file/65791883201.pdf
- http://joshuadacosta.com/wp-content/plugins/formcraft/file-upload/server/content/files/160988bca35063---wobobapafi.pdf
- http://test888.org/uploads/productsfiles/20210706052127_e308a.pdf
- http://ankurgroups.com/userfiles/file/fumadox.pdf
- https://janeunchained.com/wp-content/plugins/super-forms/uploads/php/files/32oe1ahpdvcu96224fbsc53j18/keliludevititodisugodener.pdf
- https://waroproject.com/file/togomapobuzapezogogezif.pdf
- https://nasselgrundet.se/anvandarbilder/156/files/57178949256.pdf
- http://xn--b1akwe.xn--p1ai/userfiles/file/41873314903.pdf
- http://erfolgsapp.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a26af63597c---gedobedege.pdf
- https://www.frontierexim.com/wp-content/plugins/super-forms/uploads/php/files/3go3a1aue4dca0f5necdn3t7lj/sixolig.pdf
- http://filatelianumismaticaumbra.it/userfiles/file/5073376776.pdf
- https://pankalconstructora.com/wp-content/plugins/formcraft/file-upload/server/content/files/16083f92e524a7---mofapo.pdf
- http://www.fliesen-brill.de/wp-content/plugins/formcraft/file-upload/server/content/files/160792a17eb6e2---bobuzaba.pdf
- https://acethamessecurity.co.uk/wp-content/plugins/super-forms/uploads/php/files/d58eb8bbb84427b5909e7ddda4d49c72/57094218998.pdf
- http://drvision.org/wp-content/plugins/formcraft/file-upload/server/content/files/1609d39e264d5a---82939841657.pdf
- http://focostrade.com/files/20210614064645.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/GLLx1DTH0VQ/uplcv?utm_term=to+get+laid+meaning
- 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_off0000c656.bin9deb29644c0ac16c8931e399f4ec842b84641e32aaaec87d5919934540130e12 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC656 | 10284 bytes |
font_01_sfnt_off0000dd39.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDD39 | 16792 bytes |
font_02_sfnt_off0000f54b.bin29245ca2aba9bc7e77af57b4f271d377bc06eb514380d277ed1eafaa23291d79 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF54B | 17432 bytes |
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