MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous links pointing to potentially compromised websites and disposable hosting, indicating a link farm designed to redirect users. The ML classifier and ClamAV detection strongly suggest malicious intent, likely for phishing or distributing further malware. The presence of multiple external URIs and a link farm heuristic points towards an attempt to drive traffic to malicious destinations.
Machine Learning
- Nyx PDF Classifier malicious score 0.9970
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://www.plsok.com/wp-content/plugins/super-forms/uploads/php/files/f7d6ab378db8fd7673da96cbdfd777d9/monipugexigedunupefikix.pdf
- http://abc-tel.ru/data/File/rojebon.pdf
- http://gistfamilyreunion.com/clients/8/8c/8cbf0a40baaab9dd4734ff2cdbb1e120/File/fokukufalufuzujoxofiregix.pdf
- https://www.sussexweddingservices.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1607fc32bd3ab0---zufukajugiwamiv.pdf
- https://storage-in-motion.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b530d42aae1---pozukowekiwaporiwoto.pdf
- http://sillajen.com/fckeditor/_upload/file/44949656464.pdf
- https://metroguards.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16075fbe4475f4---3987261672.pdf
- http://www.manorbymajor.com/userfiles/files/posunudujovexipejipukif.pdf
- http://www.orarestauratorisaf.it/wp-content/plugins/formcraft/file-upload/server/content/files/1608740dd9f412---59036421024.pdf
- http://maidnheaven.com/wp-content/plugins/formcraft/file-upload/server/content/files/16096ba8a7aaee---87763708211.pdf
- http://josephlillianmorrisfamily.com/clients/59960/File/1027634642.pdf
- https://acornschoolcharleston.org/wp-content/plugins/super-forms/uploads/php/files/0a0f7394d697e2b9c0c259fa72b544e3/jujigulapiziniwuvixoduvo.pdf
- http://narcisse.sk/editor_uploads/files/notokobomove.pdf
- http://ptk-astana.kz/wp-content/plugins/super-forms/uploads/php/files/847fbe838cc7635215010e2da76dc846/vivikamutexinawirikikaf.pdf
- http://www.commandinglife.com/wp-content/plugins/formcraft/file-upload/server/content/files/16089d1d0b2545---46456893211.pdf
- https://gancza-yacht.pl/userfiles/file/wikazetija.pdf
- https://www.denisonlandscaping.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a2658969b8b---9707725844.pdf
- https://baxsporthorses.com/userfiles/file/15938120154.pdf
- http://getawaynewzealand.co.nz/wp-content/plugins/formcraft/file-upload/server/content/files/160d665f337048---kafutonuvadotogupu.pdf
- http://xn--80aantfcaehjbxzf1m.xn--p1ai/userfiles/file/zusenen.pdf
- http://rydelko.pl/userfiles/file/wexas.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/DOqCt-cVA4I/uplcv?utm_term=houses+for+sale+in+dixfield+maine
- 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_off0000e75c.bin5b2e4e79eaaca464097a9d92ed772fa3e0775adec1c9a23c456d937afed362df |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE75C | 18224 bytes |
font_01_sfnt_off000116cd.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x116CD | 16792 bytes |
font_02_sfnt_off00012ee4.bindc19a55c53d3fbcd85c31a539ea1a0b36294fdef2e456f00bd33f1a9ddc685bb |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12EE4 | 10612 bytes |
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