MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. Heuristics indicate it functions as a link farm, with numerous URLs pointing to compromised WordPress sites, likely serving as a distribution point for malicious content. The presence of embedded URLs and the nature of the link farm suggest an attempt to lure users to external malicious sites.
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://empylean.com/wp-content/plugins/super-forms/uploads/php/files/h4gp6jctfsr4m22hhj5759uv14/45287562810.pdf
- https://www.breastcancerfoundation.in/wp-content/plugins/super-forms/uploads/php/files/8b69e4850bea9f420c03b7eaf686aa87/votujuruxumakerigawubero.pdf
- https://webtraffic.ch/wp-content/plugins/super-forms/uploads/php/files/l5fa1mnh64i2gllsk4npbe43un/12998682864.pdf
- https://minutesnap.com/wp-content/plugins/super-forms/uploads/php/files/20af37a913c9c0701beb14d8e638a0d7/42200831504.pdf
- http://www.ncstarim.com.tr/wp-content/plugins/super-forms/uploads/php/files/s07n5rthd6889apl9jv4h29j75/rakupenukugudemafolosaro.pdf
- https://www.hospedeagora.com.br/wp-content/plugins/super-forms/uploads/php/files/3fgeodpr8fm80jibcog6ac4gms/ludoxoponodix.pdf
- https://alismobile.co.uk/wp-content/plugins/super-forms/uploads/php/files/cda93c51f8410c1ef334590b2e373dc6/pajowutidipunanaro.pdf
- https://utilitydiscount.com/wp-content/plugins/formcraft/file-upload/server/content/files/16084c71cdb0f0---25460212524.pdf
- http://www.webtony.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160ab9fca57347---49031551199.pdf
- http://thebeautyofdesign.nl/ckfinder/userfiles/files/76351806242.pdf
- http://cdmatik.com/uploads/file/xuxagenegekulanovinid.pdf
- http://omonetach.pl/foto/ilustracje/file/disufuweworapanusowogenew.pdf
- http://kaplanpm.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b9ecb0b84de---81605968186.pdf
- https://dalyanestate.com/userfiles/file/60587085806.pdf
- https://www.d-table.com/wp-content/plugins/super-forms/uploads/php/files/432dd3881ca803796ae8301311c6584e/velosibipekurovutukib.pdf
- http://www.dj-csnl.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160e077c24fa87---jepakugekax.pdf
- https://natyabio.com/uploadfiles/13622519263.pdf
- https://vv-alc.nl/uploads/files/pisanoridivifojolabum.pdf
- http://lbs.ac.at/wp-content/plugins/super-forms/uploads/php/files/3nhjcp30l9p4lq86j9btacd76k/52166032355.pdf
- http://cuadepthanglong.com/images/ckeditor/files/6459765972.pdf
- http://jagatjyotischool.org/jagatjyotischool/userfiles/file/rolanelel.pdf
- https://notofthisgalaxy.com/wp-content/plugins/super-forms/uploads/php/files/9j2o84ra4fj908liuq8h3md0ha/mupupogux.pdf
- https://simovi.mx/wp-content/plugins/formcraft/file-upload/server/content/files/1607cc8c473d07---sajotavuriles.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/cv9VXjIrmdE/uplcv?utm_term=criticism+of+ncf+2005
- 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_off0001152a.binf2410279c1a1c76be3aefd24f233907cda20d08f993c0dc2cb763b04aac0229c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1152A | 17512 bytes |
font_01_sfnt_off00014232.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14232 | 16792 bytes |
font_02_sfnt_off00015a49.binf85f1e08a42b5890999ce21b4bbc820e6e71617d8fb6de10d3cb5e9db1a99802 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15A49 | 10564 bytes |
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