MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically identified as a phishing trojan. The heuristics indicate it functions as a link farm, with multiple URLs pointing to compromised WordPress sites. These links likely serve as a distribution mechanism for further malicious content or phishing attempts.
Machine Learning
- Nyx PDF Classifier malicious score 0.9971
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://thesmithgrouphouston.com/wp-content/plugins/super-forms/uploads/php/files/2e8dc6642b1c47e851f5c4441ef62e73/72567515763.pdf In PDF document text
- http://tsradviseurs.nl/mailing/images/photo/file/safudevudokab.pdfIn PDF document text
- http://eros-arena-reutlingen.de/eros/userfiles/file/nadizexeteniwavopubedati.pdfIn PDF document text
- http://savemaxint.com/files/file/20001301811.pdfIn PDF document text
- https://onsale.social-push.cc/data/fckeditor/files/63741034542.pdfIn PDF document text
- http://soskuwait.com/outscapes/admin/ckeditor/uploads/ck/files/gipejatowalaveluzax.pdfIn PDF document text
- http://marsalanoleggio.it/userfiles/files/woxesofazimajovuxumu.pdfIn PDF document text
- http://sithome.com/upfiles/file/20210915183530.pdfIn PDF document text
- http://donauwell.at/userfiles/file/jivojefepepib.pdfIn PDF document text
- http://geerhannutpourreussir.be/docs/upload/files/90986165103.pdfIn PDF document text
- http://ankurgroups.com/userfiles/file/rowopemewopotitagimosolo.pdfIn PDF document text
- http://ivankrivanek.com/userfiles/file/28944964269.pdfIn PDF document text
- https://istanajp.com/contents/files/wajonezex.pdfIn PDF document text
- https://swotin.com/wp-content/plugins/formcraft/file-upload/server/content/files/16141ef7c6cbb2---weresipatofo.pdfIn PDF document text
- http://ecohort.com/userfiles/files/68798141049.pdfIn PDF document text
- http://pocatellocampfire.com/wp-content/plugins/super-forms/uploads/php/files/8ddjurssqcp1dc8gnvm6ndpapd/3464023414.pdfIn PDF document text
- http://skybuildinfraprojects.com/uploads/20653818464.pdfIn PDF document text
- http://www.tivafa.hu/upload/file/jipaloj.pdfIn PDF document text
- https://oreopay57.com/ckfinder/userfiles/files/jitoxokusisademazabosug.pdfIn PDF document text
- http://www.oe.com.tw/ezadmin/ckfinder/userfiles/files/boxomevovirepulekanilujo.pdfIn PDF document text
- https://www.drserapkagan.com/wp-content/plugins/super-forms/uploads/php/files/egltudckkmtk0u6v3e0b1pqb0a/9353025651.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/3vuEKuznOb8/uplcv?utm_term=hill+climbing+racing+2+mod+apkPDF 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_off0000bf59.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBF59 | 10800 bytes |
SHA-256: b6b64fa74b23492ee42e4a2a3fd58920984c8f897558100c37518ba8252cb57b |
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font_01_sfnt_off0000d7b9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD7B9 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000efcb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEFCB | 17200 bytes |
SHA-256: e08685c56b7521f93b118333e82fe965e8e0955c0a12bfb086e64d9455153bdd |
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