MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1553.004 Mark-of-the-Web Bypass
T1203 Exploitation for Client Execution
This PDF was flagged by ClamAV as a phishing trojan. The heuristics indicate it contains a link farm pointing to compromised WordPress sites, likely for hosting malicious content. Crucially, the document contains instructions to disable security software, a strong indicator of malicious intent to bypass defenses and download further payloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9800
Heuristics 7
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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Security software disable instruction high SE_SECURITY_BYPASSDocument instructs the user to disable antivirus or security software — unusual for ordinary documents and high-risk in an unsolicited file
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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.dj-csnl.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160a7372421d3d---pivimolozewid.pdf
- https://www.gasserbush.com/wp-content/plugins/super-forms/uploads/php/files/db766240ba2ab511b1ea0e4357abe1a6/42121720830.pdf
- http://www.gradur.ba/wp-content/plugins/formcraft/file-upload/server/content/files/160819c1d2d2b6---97175366145.pdf
- http://neodentpetrosino.it/userfiles/files/mamukituboli.pdf
- https://amalighting.com/wp-content/plugins/super-forms/uploads/php/files/550c2ddc6621f29ef55b698a59a6f763/89719357753.pdf
- http://willtorock.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ac168da5cb8---rubodeduvorodonaxo.pdf
- https://aldea.work/wp-content/plugins/super-forms/uploads/php/files/f386dcb8fd6d28ff23a7edce98be3d21/33403327853.pdf
- http://tvoirostov.ru/ckfinder/userfiles/files/desip.pdf
- http://aqbnb.com/uploadfile/file/61387902283.pdf
- http://festivaldeliteraturadepereira.com/wp-content/plugins/formcraft/file-upload/server/content/files/16080ef519850a---80934235185.pdf
- http://osullivanspressurewashing.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607ba713da974---72614553531.pdf
- http://go-trec.com/wp-content/plugins/super-forms/uploads/php/files/bciuds3gscofhbvhqln1b6jutf/95201986110.pdf
- http://menafundinfo.com/userfiles/file/duzabiteladi.pdf
- http://zabradli-znerezu.cz/userfiles/file/90818094858.pdf
- http://vizesblokk.hu/files/file/20074527636.pdf
- http://accessiblevehicleservices.com/userfiles/file/93062860187.pdf
- http://alemotta.com/resources/original/file/nowisekaju.pdf
- https://www.davinci.dk/wp-content/plugins/formcraft/file-upload/server/content/files/160abe65aea875---34391821030.pdf
- https://goodluckfishing.com/ckfinder/userfiles/files/8445645189.pdf
- http://branpc.in/ckfinder/userfiles/files/34724609755.pdf
- http://philippinesroadshow.com/wp-content/plugins/super-forms/uploads/php/files/da11f1a8a1180ee671e9d8040f3c2a9e/wosekokuxuxomiw.pdf
- http://jockmurray.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609307f24bacd---6373072056.pdf
- http://montaze.org/democms/userfiles/file/vadejavovevuri.pdf
- https://aimara-bg.com/userfiles/file/54203127695.pdf
- https://gw21.ch/uploads/userfiles/file/ropefarulidapaz.pdf
- http://classicalgardenstatues.com/uplds/file/vojejotiguxiboxotede.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/PmAiG5ZyT-k/uplcv?utm_term=power+plant+engineering+interview+questions+and+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_off00011da0.bin04e2d7f94e4c3fe8d59dcb1fe2e3ccd9da97180554cb0f55f2844595bec3c8fa |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11DA0 | 17800 bytes |
font_01_sfnt_off00014c69.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14C69 | 16792 bytes |
font_02_sfnt_off00016480.bin4c2e966738b7efc3ac484ffa3d22a3f8db6d4f54e08507c208fa5c3818123704 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x16480 | 10964 bytes |
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