MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous links, many pointing to compromised WordPress sites hosting further PDF files. This behavior is indicative of a link farm used to distribute malicious content, likely via spearphishing. The ML classifier and ClamAV detection strongly support its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9940
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://drmarlenebothma.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1606c8a38c97d1---jelazogaki.pdf
- http://viprealestatebrokers.com/userfiles/files/lakokopaduxij.pdf
- https://advicezone.org.uk/wp-content/plugins/super-forms/uploads/php/files/cl6o1fu6rcnon9s82aor79ehva/japekamexogewokutabimiv.pdf
- https://www.reparaciondebomba.com.ar/wp-content/plugins/super-forms/uploads/php/files/ig5jcftf6n4a7e66n0iimrssi0/93266764556.pdf
- http://www.scmphotography.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160772bc25007d---15992431059.pdf
- http://www.oschouston.com/osc/wp-content/plugins/formcraft/file-upload/server/content/files/1607d6271ca66a---ruponiletuxif.pdf
- https://maydongy.com/wp-content/plugins/super-forms/uploads/php/files/37k6oobb30ja4bbu659i7n57lq/vibagawa.pdf
- https://eccdc.org/application/webroot/userfiles/file/waleselijipitawik.pdf
- http://wrhs1967.org/clients/6/61/617565fc8afb9cc6d18abf932d248b7a/File/poganebeguvivet.pdf
- https://moma-restaurant.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a035d5bcff7---zepobadamosal.pdf
- http://www.neslihanonur.com/wp-content/plugins/super-forms/uploads/php/files/4020a626032ecbd493fa2ff9702bf2d3/vokarukisedu.pdf
- https://www.sblending.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160c92f2586776---17316986041.pdf
- https://patriot.ch/wp-content/plugins/super-forms/uploads/php/files/u5ral1fd2fpbb26tbj9j30l658/gusopifemexorowesanoturuj.pdf
- http://sotel-perm.ru/site/file/47212103321.pdf
- https://www.ltgpartners.com/wp-content/plugins/super-forms/uploads/php/files/9461e2348f7e5842065aaebdccf07b1a/99151342901.pdf
- https://signika.pl/Upload/file/fogowagogebufopo.pdf
- http://autoscuolauniversale.it/userfiles/files/vepuwumu.pdf
- https://aliencosmicexpo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607ff22e50f7f---2824676040.pdf
- https://craftsmancuttingdies.com/wp-content/plugins/super-forms/uploads/php/files/053a133cd2d859b2a5636df988da9d18/35688611166.pdf
- http://incucinaconalberta.com/userfiles/files/81134030816.pdf
- https://tecnicadovolante.com/images/file/60125013484.pdf
- http://www.studiolegalefusimorelli.com/wp-content/plugins/formcraft/file-upload/server/content/files/16085e110918c9---76628315038.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/PmAiG5ZyT-k/uplcv?utm_term=side+by+side+student+book+1+third+edition+pdf
- 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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
stream_002_off0000caa2.binf43e5756ba84d1b5e10e0fba217b05caf82505aa345e1f1d40d88562602e757d |
decompressed-pdf-stream | PDF FlateDecoded stream at offset 0xCAA2 | 21136 bytes |
font_01_sfnt_off0000efbe.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEFBE | 16792 bytes |
font_02_sfnt_off000107d0.bin6259527b01fe1bc08dff77e619247aa16456d868c07201991884452421404ec4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x107D0 | 25048 bytes |
font_03_sfnt_off00013ddd.bin35daf491e77d68f63c2abb1a432ba653a4a5a675cbd9914be9f176f482468a54 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13DDD | 10960 bytes |
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