MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a link farm pointing to multiple compromised WordPress sites, likely intended to lure users to malicious content. Heuristics indicate a high likelihood of maliciousness, with ClamAV detecting it as a phishing trojan. The ML classifier also strongly flagged the PDF as malicious.
Machine Learning
- Nyx PDF Classifier malicious score 0.9952
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.zaantraining.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160d66c853d722---xoxonudorajavilatabir.pdf
- http://trainternational.in/wp-content/plugins/formcraft/file-upload/server/content/files/1607df35f39a04---73391760099.pdf
- https://www.dazzlingdecor.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160aea85c1c205---88337782464.pdf
- http://countrysquirefoods.com/wp-content/plugins/formcraft/file-upload/server/content/files/160acbce7c960a---xurexejajib.pdf
- http://hum-lucknow.org/test/fckeditor/file/zusitunalegasadefasukivif.pdf
- http://www.ausafrica.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160729d0885512---tisufar.pdf
- https://christianboudreau.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f73dae6303---4755024062.pdf
- https://primer-spb.ru/files/files/92850247301.pdf
- https://sellerflows.com/wp-content/plugins/super-forms/uploads/php/files/309f1c9a044c433e6da681b99657e349/93282553681.pdf
- http://schodylux.pl/userfiles/file/78777569340.pdf
- http://bright-mineral.com/uploadfile/file/2021051518572363.pdf
- http://andlupa.com/userfiles/file/70326131736.pdf
- http://proxkimya.com/resimler/files/8506728518.pdf
- http://www.aportecnica.com/imagenes/editor/file/21042282543.pdf
- http://townofwinslowin.com/flash/townofwinslowin.com/file/perojodamedijojezol.pdf
- https://jamiatulbanat.in/wp-content/plugins/formcraft/file-upload/server/content/files/16079673e4bdaf---72067692965.pdf
- http://ljhalls.com/wp-content/plugins/super-forms/uploads/php/files/8967ea423c3a0d0299afbf68f6dd5fe9/najinamaboxowidukuxire.pdf
- https://him-home.ru/wp-content/plugins/super-forms/uploads/php/files/e556709209b942eeee50fcff1d78aa3b/solonugi.pdf
- https://cffcommunications.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1/160cae34995ec8---golixogerij.pdf
- https://www.kiteschule-eckernfoerde.de/wp-content/plugins/formcraft/file-upload/server/content/files/16082563a9f7e7---sesesubogeji.pdf
- http://xn--l3chcucnqd9c0eua7b1k.com/user_img/files/sexibafuku.pdf
- http://mognational.com/wp-content/plugins/formcraft/file-upload/server/content/files/16098d605269c0---70042244924.pdf
- http://fullcolorspandoeken.nl/userfiles/file/76124091719.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/BkSY9tpko7c/uplcv?utm_term=what+is+the+nature+of+learning
- 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_off0000edb5.binbddc9d9c6b57806f1805d3a56e9ddfcc082a923f2337bfa63d4c8bb3804229f8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEDB5 | 17856 bytes |
font_01_sfnt_off00011c05.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11C05 | 16792 bytes |
font_02_sfnt_off0001341c.bin61bed038e1644efd2128bc9af5b4ad353568e4952606820126a55a944c86cdee |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1341C | 10588 bytes |
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