MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It functions as a link farm, directing users to multiple compromised websites, some of which host further PDF files. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' suggests a tactic to distribute malicious content through numerous disposable hosting sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9948
Heuristics 6
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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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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://adbadog.com/wp-content/plugins/super-forms/uploads/php/files/f4fec827727232c0553160ff401e6fd1/dabofibuzibux.pdf
- http://www.uppld.org/wp-content/plugins/formcraft/file-upload/server/content/files/1609ce814e98e2---57185827086.pdf
- http://pathtojanna.com/userfiles/files/66840748240.pdf
- https://elpmarketing.ca/wp-content/plugins/super-forms/uploads/php/files/734e4291d75bbb8de993af079f8fc523/38601392784.pdf
- http://qboardapp.com/wp-content/plugins/super-forms/uploads/php/files/19f17435fbfd19024ae8778937c46c05/99027521275.pdf
- http://training-solutions.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16075867c2ca65---sowogemenigo.pdf
- http://www.sunarsurdurulebilir.com/wp-content/plugins/super-forms/uploads/php/files/97ng358ee0ukeltioro528i3j7/77195653261.pdf
- http://ibiforstarlight.ca/clients/3/3c/3cfcca4e360ca8807b7dd7d6e7cbeae0/File/senelizemegovenipa.pdf
- http://mazurubezpieczenia.pl/zdjecia/fck/file/13744220761.pdf
- https://sv-fin.ru/wp-content/plugins/super-forms/uploads/php/files/cdcf424b4209c9b4b49ecc6ef4c97a4b/95445078644.pdf
- https://rhdplumbing.com/wp-content/plugins/super-forms/uploads/php/files/ee0d857c7bfcb980e8af49d7d3708f62/gelikinapalujagebufuwul.pdf
- https://preciseenergygroup.com/media/40984344496.pdf
- http://szyldkj.com/luodan/images/userfiles/file/50799956996.pdf
- https://www.isgs.org/wp-content/plugins/super-forms/uploads/php/files/fc5e6d6f7a70b4bb95b0a2e65b2b83dc/vajaxoduxisipuxi.pdf
- http://ecbpolska.pl/wp-content/plugins/super-forms/uploads/php/files/4f765c3040657e199703a186290d6f36/suxonarogevuwezipubonoka.pdf
- https://planet-for-events.de/userfiles/file/29411119453.pdf
- http://a-range.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1608d3bad19be3---85373680539.pdf
- https://kalatranslation.co.uk/wp-content/plugins/super-forms/uploads/php/files/5g7oncq6dmhq4rlss4u0cci6up/5142499189.pdf
- https://jfefood.com/wp-content/plugins/super-forms/uploads/php/files/49f302e500859da8ff881322a1d109bd/fodekila.pdf
- https://aryaayur.com/wp-content/plugins/formcraft/file-upload/server/content/files/16072fedbdb2ca---50161052622.pdf
- http://www.sparkprototypes.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c1e78069f97---30910621491.pdf
- https://www.sabiamente.es/wp-content/plugins/formcraft/file-upload/server/content/files/160794c4556f83---4875973190.pdf
- https://www.vedaaz.com/wp-content/plugins/super-forms/uploads/php/files/6b611eb085535edec1dcb82fb0919875/71795126096.pdf
- http://structurecreative.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b5e2eeec02c---kumopewuvanipakeweweda.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/LPIa9PGmDLg/uplcv?utm_term=lamar+odom+clippers
- 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_off000159c5.bin359087b335cf3b57ec3420128f3a4dfb6098700d9ffc1df1852e86d1e6227d04 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x159C5 | 10432 bytes |
font_01_sfnt_off00017154.bin2c22bee75c05b12aa73cd1b408c531185e6e239c0bbf037e0cfaced7060b6727 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x17154 | 18088 bytes |
font_02_sfnt_off0001a0de.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1A0DE | 16792 bytes |
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