MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a large number of embedded URLs, many of which point to compromised WordPress sites or disposable domains, indicating a link farm designed to distribute malicious content or phish users. The ML classifier and ClamAV detection strongly suggest malicious intent, classifying it as a phishing trojan.
Machine Learning
- Nyx PDF Classifier malicious score 0.9965
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://marwaservicecenter.com/nbloom/fckuploads/file/robusew.pdf In PDF document text
- http://email-database.info/userfiles/file/53897067340.pdfIn PDF document text
- http://www.iamgoingto1996.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614617031c833---82577068870.pdfIn PDF document text
- http://skia22.ru/pic/file/roxepixejizal.pdfIn PDF document text
- https://rockyhotelsgroup.com/uploaded/files/98664938395.pdfIn PDF document text
- http://bonfiremadigan.com/uploads/fckeditor/file/nugavupamokenaporinironer.pdfIn PDF document text
- https://www.dazzlingdecor.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1613713c9b1ba7---bojafupogifol.pdfIn PDF document text
- http://topnotchimports.com/ckfinder/userfiles/files/federifogavo.pdfIn PDF document text
- http://maihome.hu/admin1/file/73567823020.pdfIn PDF document text
- http://a-range.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1614fda19827eb---87695270137.pdfIn PDF document text
- https://bilbox.es/wp-content/plugins/super-forms/uploads/php/files/015c9519f67d404006665168a397d155/17463192082.pdfIn PDF document text
- https://valubil.com/public/uploads/cms_file/cms_files/4067929257.pdfIn PDF document text
- http://wx-bm.cn/upload/ckimg/files/202109200106344194.pdfIn PDF document text
- http://fotostudiovaccari.it/userfiles/files/zepufezolusekazovela.pdfIn PDF document text
- http://ipoz.pl/userfiles/file/dakezij.pdfIn PDF document text
- https://www.piramideidiomas.com/ckfinder/userfiles/files/rexonoluxo.pdfIn PDF document text
- http://pet.nfe.go.th/m_site/ckfinder/userfiles/files/falemo.pdfIn PDF document text
- https://astoraccessories.com/uploads/ckfinder/files/11408530254.pdfIn PDF document text
- http://kinel-hunter.ru/upfiles/file/telimekijukilul.pdfIn PDF document text
- http://richmediahouse.com/admin/uploads/file/57099155955.pdfIn PDF document text
- http://school19-zav.ru/userfiles/file/8381513171.pdfIn PDF document text
- https://yingzhaoliuart.com/upload/file/kulubelulivijaboluxaf.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/zMnd8XtcwSM/uplcv?utm_term=filmigo+video+makerPDF 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_off0000ad91.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAD91 | 10356 bytes |
SHA-256: c73cd3122741ff45fbc63717ea05871c098173f37472dfceda68a5cf2146a430 |
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font_01_sfnt_off0000c4ad.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC4AD | 16584 bytes |
SHA-256: a675a8fec5e9ff1b2c2e27c0caacfc0ae869671819f441bca74b4f99b7119e3b |
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font_02_sfnt_off0000ee8d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE8D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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