MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file contains numerous links pointing to compromised WordPress sites, indicating a link farm designed to redirect users to potentially malicious content. ClamAV and ML classifiers strongly indicate maliciousness, classifying it as a phishing trojan. The presence of multiple compromised CMS upload links suggests an attempt to host or distribute malicious files.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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 http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608f5279abb89---mimuduxomurolipenujap.pdf
- http://szao-spb.ru/images/news/file/36262335345.pdf
- https://masterok-kovka.ru/wp-content/plugins/super-forms/uploads/php/files/b8165871d11a21dfe22e734edb42c2ea/65791895840.pdf
- https://liderpin.com/calisma2/files/uploads/86189521551.pdf
- http://michianaorchidsociety.org/clients/2/28/2832e32407c795c8d28ffe68102aa18e/File/65189087782.pdf
- http://xn--l3chcucnqd9c0eua7b1k.com/user_img/files/gomajaninuritanajilaxim.pdf
- https://www.sabiamente.es/wp-content/plugins/formcraft/file-upload/server/content/files/160ddc64ee5a92---dewewiboro.pdf
- http://mirrorgallery.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b3d86616f64---18524321463.pdf
- https://www.varishastalari.com/wp-content/plugins/formcraft/file-upload/server/content/files/16088336fb00e0---91875444823.pdf
- https://www.c2commercial.com/wp-content/plugins/super-forms/uploads/php/files/5dde353257eccf64309caf80bd523fdc/43118408645.pdf
- https://glasschneider.koeln/wp-content/plugins/super-forms/uploads/php/files/jhqfrebcr64l735o8001fsi0pc/puregaxatixarined.pdf
- http://www.sunarozlem.com.tr/wp-content/plugins/super-forms/uploads/php/files/vvgth4aml6po56lv8037e6ojj4/pakokutapogorokifiv.pdf
- https://www.inkfactory.pk/wp-content/plugins/formcraft/file-upload/server/content/files/160bd5822ec11c---xovugoxasafajibipufapa.pdf
- https://tfnd.org/wp-content/plugins/super-forms/uploads/php/files/cb756d78d11376a85915e4e9f747a7c0/wovaxonuwezabu.pdf
- http://www.ellisrasbetonwerke.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16080e43531d93---fonowalelavitasek.pdf
- https://verlauf-ekb.ru/admin/ckfinder/userfiles/files/46807681075.pdf
- http://khodahoanglang.com/admin/webroot/upload/image/files/retekakenijagoxoladub.pdf
- http://www.combatsim.eu/wp-content/plugins/formcraft/file-upload/server/content/files/16073455f8c660---54135555904.pdf
- http://seabeachthailand.com/UserFiles/file/14470122423.pdf
- http://www.holzbau-hoelzl.at/wp-content/plugins/formcraft/file-upload/server/content/files/1606da566dbaef---3479056994.pdf
- https://pharma-tools.eu/galeria/file/jedekozolikojexitabegi.pdf
- http://bean2beenefamilytree.com/clients/60578/File/31596690957.pdf
- http://slsnn.ru/content/file/xifijasu.pdf
- https://rockdental.co.uk/wp-content/plugins/super-forms/uploads/php/files/d06705ed49aeaf5a1f734ac7efce3484/15448414939.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/BkSY9tpko7c/uplcv?utm_term=biblical+youth+empowerment
- 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_off00010085.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10085 | 16792 bytes |
font_01_sfnt_off0001189c.bin633bdf6e03651b96d38bb3f75a5a43a5cbdd6dd57b6187d13850513e09910a93 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1189C | 10964 bytes |
font_02_sfnt_off000131ba.bin792c9dbfb07d99af5b4c1c37f35e23ec9a04147c98915654908bac9676dc9520 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x131BA | 17128 bytes |
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