MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1055.012 Process Injection
The PDF contains numerous links pointing to compromised WordPress sites, a common tactic for hosting malicious content or phishing lures. The ML classifier and ClamAV detection strongly indicate malicious intent. The presence of multiple compromised CMS upload links suggests a coordinated effort to distribute malicious files.
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.veronicaneal.com/wp-content/plugins/formcraft/file-upload/server/content/files/1/1608395ecbc15a---67449915982.pdf
- http://mognational.com/wp-content/plugins/formcraft/file-upload/server/content/files/160803f63c0afe---zukimakadin.pdf
- https://saraelv.no/wp-content/plugins/formcraft/file-upload/server/content/files/16092eb9cb0996---80891180344.pdf
- http://hi-reid-solutions.com/wp-content/plugins/super-forms/uploads/php/files/cd75070b4ef57021e4bfa00083f405fa/jubugoralatuvobubade.pdf
- http://www.holzbau-hoelzl.at/wp-content/plugins/formcraft/file-upload/server/content/files/1607788f3d6bc6---51623380162.pdf
- http://jointrilogy.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609ed59b7d223---domelofuzepizexu.pdf
- http://biotop-zamosc.pl/userfiles/file/kizefer.pdf
- https://northstarexecutivesearch.com/wp-content/plugins/super-forms/uploads/php/files/52fad90fbddbf96dae8f97af237eb7bc/68767468246.pdf
- http://irths.com/upload_files/files/tamojijibadisanodegive.pdf
- http://pansophers.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608e38bbb2fdd---famasejinetodinu.pdf
- https://www.andyselfstorage.co.uk/wp-content/plugins/super-forms/uploads/php/files/3iajvk9p0trq8dmn1j0f549q8n/41186837605.pdf
- https://socialacademy.gr/wp-content/plugins/super-forms/uploads/php/files/6f7022552047db85bfafdc8175fd3666/gudisedi.pdf
- http://nuyewpilot.academy/wp-content/plugins/super-forms/uploads/php/files/a985c07249107cc3a12775e91e44dedc/navitisufoba.pdf
- http://nctpa.biz/clients/5/51/51e593b678cc4707ea5ff7b662bcbdb9/File/sakabitunuzax.pdf
- http://www.adanakursmerkezi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607122bad417f---9547981012.pdf
- http://neodev.space/wp-content/plugins/formcraft/file-upload/server/content/files/160db3149d5a61---warerufepuwusumafudo.pdf
- https://wills.sg/wp-content/plugins/super-forms/uploads/php/files/7e9491db64a68d59407e95d6deec42c8/fegunonirevedega.pdf
- https://advantagelic.com/singhania/downloads/file/40685333255.pdf
- https://www.baptistenhardenberg.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160c690ccafa50---93819215881.pdf
- http://gorisum.net/fckeditor/upload_file/file/81518581578.pdf
- http://fcv-bo.org/data/fcv-bo/userfiles/file/32559144391.pdf
- https://regalcabs.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16070e68a8ad5e---70161048604.pdf
- http://ahxxzx.com/userfiles/202105/file/18721271479.pdf
- http://akcjonariusz.com/UserFiles/file/97952746868.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/A3Ryygt5BCM/uplcv?utm_term=scanner+to+word+converter
- 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_off0000cbad.binbe07a29f4cb0035f5a18818c3afbeb43f102f7cd92b48c6557bbb8748934f2f4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCBAD | 16328 bytes |
font_01_sfnt_off0000f632.binea2da4a02a095293d301b38ddd09912a93feb8622b0e176e15ae0f85fa3b3421 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF632 | 10284 bytes |
font_02_sfnt_off00010d91.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10D91 | 16792 bytes |
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