MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a link farm pointing to multiple compromised websites, suggesting a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly indicate malicious intent. The presence of numerous PDF_SEO_DISPOSABLE_LINK_FARM and PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM heuristics further supports this, indicating the document is designed to host and distribute malicious files.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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://wrd13.com/force/file/83504309292.pdf
- http://keitbg.com/images/files/gezusap.pdf
- https://fitness-sport.it/userfiles/file/24917256090.pdf
- http://mjengo.org/FCKeditor/editor/filemanager/connectors/php/connector.php?Command=FileUpload&Type=File&CurrentFolder=%2Ffile/zakufomipezesusujusagave.pdf
- http://viral-list-monster.com/ckfinder/userfiles/publics/files/wefuxixoniratulon.pdf
- https://equinox-e.com/upload/UserFiles/file/91966108561.pdf
- http://snabsz.ru/ckfinder/userfiles/files/58693303100.pdf
- https://butzbacher.turnpoint.jo/app/webroot/upload/files/sedelimediseve.pdf
- http://queuemanagementsystems.com/wp-content/plugins/formcraft/file-upload/server/content/files/16134d6056853d---zozisofuzedewosagimi.pdf
- http://www.extramas.com/userfiles/files/13412186751.pdf
- https://popcouncilinstitute.org/wp-content/plugins/super-forms/uploads/php/files/1e99b24e9a744009cdeeff462696b1af/47814371941.pdf
- https://nls.vn/upload/files/8651075340.pdf
- http://theprofitnesstrainers.com/userfiles/file/ximujenurixojosuto.pdf
- http://fese.in/ienupdimages/images/files/23474107922.pdf
- https://marblobath.com/app/webroot/img/files/bulibesasoxevoxagurer.pdf
- http://civicwomen.com/ckfiles/files/zirakep.pdf
- https://infravoip.com/wp-content/plugins/super-forms/uploads/php/files/a30c82fd9570ab9529b85a9560c1eb13/kubuzevuse.pdf
- https://greshamgilessalon.com/wp-content/plugins/super-forms/uploads/php/files/428882b5f952f24a9901d3ee347af7a0/bajexusadusomugemesige.pdf
- https://xn-----6kcabagcgfjsxjciriy6alkh6a7aqk.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/0f07737298e510b76c05e36e10e76d8c/tibuje.pdf
- https://www.guestquesttravelmedia.com/wp-content/plugins/super-forms/uploads/php/files/uetqafluoq3mqfi5ga3n4s969o/94450895559.pdf
- https://kaptenhoki.info/contents/files/zirafavikeda.pdf
- https://grupo-kayros.com/userfiles/file/bufosuvazugafasumeti.pdf
- https://worldkelo.com/wp-content/plugins/super-forms/uploads/php/files/823fa054973945a299db23ff487f2271/25133746618.pdf
- http://posuni.com/userfiles/file/87005348563.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/FevRqgeaUVY/uplcv?utm_term=platform+tools+adb+download
- 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_off0000b39d.bin96fe94be37a8670551986c112023f8105b528df006e8d66db6c0d0dd273ffff0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB39D | 10516 bytes |
font_01_sfnt_off0000cba1.bine4a03c79bfa28cdae4e4f60f2c4a5712ac96db2b4aa890880edfdc0ffc721a3c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCBA1 | 14632 bytes |
font_02_sfnt_off0000efc6.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEFC6 | 16792 bytes |
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