MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample was detected as malicious by ClamAV and an ML classifier, and exhibits characteristics of a link farm. It contains numerous URLs pointing to compromised websites, suggesting an attempt to redirect users to malicious content. The presence of PDF-specific heuristics like 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM' and 'PDF_SEO_DISPOSABLE_LINK_FARM' strongly indicates a phishing or malware distribution scheme.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
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://lawpropertyconsultants.co.uk/wp-content/plugins/super-forms/uploads/php/files/rp60r07jh6kucid94pqqeslceu/maxupufodazulivipo.pdf In PDF document text
- https://topinsolventa.ro/userfiles/file/foxolefosela.pdfIn PDF document text
- https://www.keystonecare.co.uk/wp-content/plugins/super-forms/uploads/php/files/ac9164cf99b869ab01c09d5c38988469/80172132542.pdfIn PDF document text
- http://www.fotografoeventimilano.com/wp-content/plugins/formcraft/file-upload/server/content/files/16078ba24638b8---jamukumabiwukupotakelake.pdfIn PDF document text
- https://marciasmithconsulting.com/wp-content/plugins/super-forms/uploads/php/files/2ae99023d0ff533f1f8b5239c6701512/deroledukor.pdfIn PDF document text
- https://psg66.ru/admin/ckfinder/userfiles/files/lulelijutadufivosa.pdfIn PDF document text
- https://inchirieriavioane.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160b09fa426e07---lamapisup.pdfIn PDF document text
- http://alituncer.com/userfiles/file/52166559511.pdfIn PDF document text
- https://www.andyselfstorage.co.uk/wp-content/plugins/super-forms/uploads/php/files/2some81ar9mr0noidsb0am5tjl/24219780131.pdfIn PDF document text
- https://burmesecatclub.nz/wp-content/plugins/super-forms/uploads/php/files/3a585b12859a028aa92decdae5828963/zavutitasajifekaluxomekul.pdfIn PDF document text
- https://autotrilogy.com/wp-content/plugins/super-forms/uploads/php/files/10043ee128bebab57c2b21922c88aae5/noxenide.pdfIn PDF document text
- https://amiablediamonds.com/wp-content/plugins/super-forms/uploads/php/files/6352621f5977692b4132e6fbb59f09f4/27310736229.pdfIn PDF document text
- http://fotocaroli.it/userfiles/files/64162171517.pdfIn PDF document text
- http://www.sunarozlem.com.tr/wp-content/plugins/super-forms/uploads/php/files/g8lvfq3vi7e3tjq2l7v2als747/90200410701.pdfIn PDF document text
- https://khanikango.in/file/13909110682.pdfIn PDF document text
- https://thewaves.net/wp-content/plugins/super-forms/uploads/php/files/m567g3r7hp2hua5rnlnobcqgvu/zasivajasopem.pdfIn PDF document text
- http://www.trimbleexpress.sk/wp-content/plugins/formcraft/file-upload/server/content/files/1606d92098d490---26480443157.pdfIn PDF document text
- http://afghansolar.com/userfiles/file/kasosetobuduzoxudigu.pdfIn PDF document text
- http://www.meglobalinc.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160a0946dbcf3f---64024081717.pdfIn PDF document text
- https://www.goldenplanet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/160772ce285950---38979339487.pdfIn PDF document text
- https://www.novet.de/wp-content/plugins/formcraft/file-upload/server/content/files/160744653811d9---zamaxazeroz.pdfIn PDF document text
- https://cwlighting.com/wp-content/plugins/super-forms/uploads/php/files/8f0557673ae549cd6b26f52cf4ff1036/52301778937.pdfIn PDF document text
- https://www.denisonlandscaping.com/wp-content/plugins/formcraft/file-upload/server/content/files/16099c73b09409---84416017536.pdfIn PDF document text
- http://www.kreasoft.mx/wp-content/plugins/formcraft/file-upload/server/content/files/160b7df2f6186d---tonadikedeji.pdfIn PDF document text
- http://www.srijonihealinghome.com/fckimages/file/puzilopedaseki.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/LPIa9PGmDLg/uplcv?utm_term=how+do+i+view+pdf+files+on+my+android+phonePDF link annotation
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f5dc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF5DC | 17624 bytes |
SHA-256: 375fe7bb66b4d4d05535dc03c432b980d4e7029ba33a154f864f2f3ce216462e |
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font_01_sfnt_off00012460.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12460 | 10920 bytes |
SHA-256: 2e1583ed063621dd9cae2f8d774cb5f6fff569d9f44bfb6b0a00cd7ef4f34c7e |
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font_02_sfnt_off00013d73.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13D73 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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