MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It functions as a link farm, with numerous embedded URLs pointing to various websites, including those hosted on compromised CMS platforms. The primary attack pattern observed is the use of a link farm to direct users to potentially malicious content, likely for phishing or malware distribution.
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 http://pmteventures.com/clients/5/57/576e8e71b788aac95a268099fab76a3d/File/peravozuv.pdf
- http://puzynowska-kancelaria.com/userfiles/file/55651659510.pdf
- http://www.lbf-cosmetics.com/website/wp-content/plugins/formcraft/file-upload/server/content/files/1608de0f18437f---jofoduromuruwok.pdf
- http://greenlivinggarden.com/htdocs/UserFiles/file/13042636699.pdf
- http://vyveva.eu/UserFiles/File/86420225023.pdf
- http://strandedtattoo.com/file/12158353962.pdf
- http://www.argentum.com/wp-content/plugins/super-forms/uploads/php/files/9duonncn14hmau23r4o9jr6ch9/tozatadabamikosipipija.pdf
- https://ckmandarin.com/uploads/73764836403.pdf
- http://www.trimbleexpress.sk/wp-content/plugins/formcraft/file-upload/server/content/files/160a0aad404a31---10577684036.pdf
- http://bizwd.com/wp-content/plugins/formcraft/file-upload/server/content/files/160effe1b4a182---wewugajapajiwe.pdf
- https://arihantgranites.in/wp-content/plugins/super-forms/uploads/php/files/nd3vvvhm614jga250patj5teq0/turewesuvuziwewuv.pdf
- http://asalsold.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606c8c25d1a41---29430656513.pdf
- http://alternativefitness.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160972b2f2c724---98660636920.pdf
- http://bochosushi.com/wp-content/plugins/formcraft/file-upload/server/content/files/16096acd772abd---tebezifekoz.pdf
- http://www.idenet.net/wp-content/plugins/formcraft/file-upload/server/content/files/16072ed3c65dd2---femamumixeniz.pdf
- https://xn----8sbaavnccwq4am.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/91512254313ef427633d1abfe9781ef7/jatupafaxarota.pdf
- https://hosvagyok.hu/userfiles/file/muzasekivuvuridofigufoki.pdf
- https://sodigital.it/wp-content/plugins/formcraft/file-upload/server/content/files/160bb6d1e3ceca---99628082105.pdf
- https://orkhaconstruction.com/wp-content/plugins/super-forms/uploads/php/files/8j7tp6s98dvpdmvgi0cabjd06r/44731665587.pdf
- http://pulsrmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b69516afa3d---bivukijoregutakujavujev.pdf
- http://omg50yrs.com/clients/6/6d/6dc66c997efb3e4e8ce6e6e7d0694e91/File/zufijanabu.pdf
- http://cintabogor.com/Uploads/userfiles/files/xomadelulejolej.pdf
- http://netcentricnj.com/ckfinder/userfiles/files/zuxij.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/LPIa9PGmDLg/uplcv?utm_term=modals+exercises+for+class+9+cbse+with+answers
- 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_off0000f791.bin0fe9e2ed9db323cda541e4e74305331b54b24e51bd0d44084d7fb4633a858930 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF791 | 17380 bytes |
font_01_sfnt_off00012506.bincf18e2ed38632fb543999c7a43891f1c05996194d150e024adff872322e46497 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12506 | 11064 bytes |
font_02_sfnt_off00013ed2.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13ED2 | 16792 bytes |
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