MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF was flagged by multiple heuristics as malicious, including a critical ClamAV detection and an ML classifier. It contains a link farm pointing to compromised WordPress upload storage and other disposable hosting, suggesting an attempt to redirect users to malicious sites. The presence of external URIs and a high ML score indicate a strong likelihood of phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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://www.federatedlighting.com/wp-content/plugins/super-forms/uploads/php/files/d7ca3128602a1462711a1f173681e483/17726583817.pdf
- http://instant-image.net/UserFiles/Site/File/tarexuteluxunofix.pdf
- http://www.gainerwindows.ca/wp-content/plugins/super-forms/uploads/php/files/1nc63744e8nljm8lhpo3kiflq1/45219818592.pdf
- http://learnersdigest.org/userfiles/file/21129083769.pdf
- https://floorco.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/3f3583f12415691396625afe8324fc12/topotepibol.pdf
- https://3dreamvr.com/wp-content/plugins/super-forms/uploads/php/files/8789978569b0f45c7fb7bf728aa04212/95624611409.pdf
- http://macautemple.com/userfiles/file/rafezuzu.pdf
- https://accesoriosalmayor.com/images/userfiles/file/xovof.pdf
- https://grup-insaat.com/userfiles/file/zunivepapufijajuwakub.pdf
- https://expeditions-travel.com/wp-content/plugins/formcraft/file-upload/server/content/files/16092b2c4ede10---1351966947.pdf
- http://amexeuro.com/an3_Uploads/file/forimatonixuv.pdf
- https://zlato-eu.sk/upload/files/76568759270.pdf
- http://www.saraviation.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c4f721ec5f0---baxitomila.pdf
- http://bocghedanang.com/media/ftp/file/97842168277.pdf
- https://www.kbstephens.com/wp-content/plugins/super-forms/uploads/php/files/f0fe479831ce7a2f82754035f9505bfd/6106479603.pdf
- http://az4group.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1609e192980984---92061699380.pdf
- https://worldkelo.com/wp-content/plugins/super-forms/uploads/php/files/ac0df7aba037a58a573ab0a8bd81fa29/galamosivifetoz.pdf
- http://ohsclassof73.com/clients/9/9a/9a21b0b253f7c4eafe662346d237c286/File/pifejipesizevomutem.pdf
- https://bringem.de/wp-content/plugins/super-forms/uploads/php/files/d454acfca00d2bd2fc7cf99194f1582a/zotos.pdf
- https://rjiminfra.com/wp-content/plugins/super-forms/uploads/php/files/cd0048d36544a548e18c8074e3c09c7c/19478324286.pdf
- https://yastudio.net/wp-content/plugins/super-forms/uploads/php/files/15a6ad94d08e4e6cc9de6cdf47c7a9f6/59974286297.pdf
- http://lnaixi.com/userfiles/file/20210620173229_1935838671.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/PmAiG5ZyT-k/uplcv?utm_term=chopin+pianist+and+teacher
- 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_off00010593.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10593 | 16792 bytes |
font_01_sfnt_off00011daa.bin201b7bed19f7ddf2a9536f116e84af7c3b4ed2d40cdab99344a7692afeb36278 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11DAA | 10596 bytes |
font_02_sfnt_off000135d7.bin7f329edc0cd81705e4ebddf6c282adb64e4e56e2ef75861ae8270ce2e30acc87 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x135D7 | 17744 bytes |
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