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 phishing or trojan threat. It functions as a link farm, directing users to numerous external URLs, some of which are hosted on compromised WordPress sites. The primary attack pattern involves luring users to potentially malicious content through a collection of links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9990
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://stellabakingcompany.com/wp-content/plugins/formcraft/file-upload/server/content/files/16097989581d78---sezitogoladuwepa.pdf In PDF document text
- http://bvsaigonbinhduong.com/uploads/files/93985529750.pdfIn PDF document text
- https://dentinale.eu/wp-content/plugins/super-forms/uploads/php/files/86057137cdd9a6cbf324e1b598d3fa41/92351216276.pdfIn PDF document text
- http://aaexpansionjoint.com/wp-content/plugins/formcraft/file-upload/server/content/files/16088e01bf39c2---5659779651.pdfIn PDF document text
- https://costumeworld.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ddcba27bb13---66588251622.pdfIn PDF document text
- https://iescolumbus.org/wp-content/plugins/super-forms/uploads/php/files/dbc83c1815071938a774d4b7fe99e1d4/30631619709.pdfIn PDF document text
- http://stalmost.pl/userfiles/file/jejofeloxexosawebasozuso.pdfIn PDF document text
- https://www.siemers-deutschmann.de/wp-content/plugins/super-forms/uploads/php/files/rv42bc6iq6r35m7cecablpbbrc/31170840925.pdfIn PDF document text
- https://haps.company/wp-content/plugins/super-forms/uploads/php/files/svkcs7v2s8oqudhr35js6klv70/19671726589.pdfIn PDF document text
- https://anzmrrn.org/wp-content/plugins/formcraft/file-upload/server/content/files/16097d62260ad4---36722440843.pdfIn PDF document text
- http://laihoawedding.com/app/webroot/upload/files/bonexofovenotowipe.pdfIn PDF document text
- http://wanyuantemple.tw/userfiles/file/5989124318.pdfIn PDF document text
- https://alternatifhosting.com/calisma2/files/uploads/5616292489.pdfIn PDF document text
- http://lesen-und-schenken.de/userfiles/files/82298973133.pdfIn PDF document text
- https://drmarlenebothma.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160881d8846ed3---45394342493.pdfIn PDF document text
- http://nemdanangpho.com/uploads/2021-05-26/images/files/32531133121.pdfIn PDF document text
- http://asianmosaicnyc.com/userfiles/file/dizinujige.pdfIn PDF document text
- http://moveisgarciadigital.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1608f96a45c93f---78935622402.pdfIn PDF document text
- http://www.moteco.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160a42882ddea2---27550851616.pdfIn PDF document text
- https://dfa-finanz.de/wp-content/plugins/formcraft/file-upload/server/content/files/160bc6808a753a---46637973896.pdfIn PDF document text
- http://pgpartyrentals-decor.com/clients/9/9b/9b45d36a3a4d562467d70d81bd292783/File/genagovuzajawenuv.pdfIn PDF document text
- https://jodhpurtravels.com/nbloom/fckuploads/file/69510908643.pdfIn PDF document text
- http://toyteepee.com/uploadfiles/file/2105250116543501605gmrju.pdfIn PDF document text
- http://akvatoria.by/UserFiles/files/satepemosilu.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/zMnd8XtcwSM/uplcv?utm_term=spanish+english+dictionary+app+iosPDF link annotation
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000eec2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEEC2 | 10984 bytes |
SHA-256: 42a0fbc36be190c636e851658b7910652cf2bd007b40db07fbc435dc7b136d44 |
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font_01_sfnt_off000107f7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x107F7 | 16104 bytes |
SHA-256: 9fc28f84208a8cc1b8a8d3c851a0a40e783ac0a063c0be373cb333e3c4e36b2a |
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font_02_sfnt_off00013188.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13188 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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