MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a large number of links, many pointing to compromised WordPress sites, indicating a link farm or distribution point for malicious content. ClamAV detection and ML classification strongly suggest malicious intent. The presence of numerous external URIs and a link farm heuristic points towards a phishing or content distribution scheme.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
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 http://bagandpack.ru/wp-content/plugins/super-forms/uploads/php/files/836f785b371b86ce42ecc5f5ee036f8d/27210710189.pdf In PDF document text
- https://erinmillssmilesdentistry.com/wp-content/plugins/super-forms/uploads/php/files/a21bfs3996nhut3ltvovvv6qs7/bogowebixe.pdfIn PDF document text
- http://www.benyowsky.com/resources/files/76715407376.pdfIn PDF document text
- http://brothersaluminium.com.np/wp-content/plugins/formcraft/file-upload/server/content/files/1609e09fd623dd---nexuvimukunorus.pdfIn PDF document text
- https://signaturetowerpune.com/wp-content/plugins/super-forms/uploads/php/files/hi89doo1d3osnb1qbjr7mssi44/36324103001.pdfIn PDF document text
- https://www.uniqueartzz.com/wp-content/plugins/super-forms/uploads/php/files/05a9ume7tih8c339u66flh238h/45685498116.pdfIn PDF document text
- http://vishwkarmaenterprises.com/webroot/img/userfiles/files/savut.pdfIn PDF document text
- http://aiswaryamatrimonials.com/fck_uploads/file/23720090199.pdfIn PDF document text
- http://mg001.cn/upload_fck/file/2021-5-10/20210510024923667753.pdfIn PDF document text
- https://brunoamaranti.it/wp-content/plugins/super-forms/uploads/php/files/t97ljletk839hv504vlnj7fue5/19966623332.pdfIn PDF document text
- https://asiaviews.org/wp-content/plugins/super-forms/uploads/php/files/78np8krs14kehfqov2976oujj1/pilejubifokomimatedepu.pdfIn PDF document text
- https://medicentrumnz.eu/medicentrum/files/file/48191282305.pdfIn PDF document text
- https://www.novet.de/wp-content/plugins/formcraft/file-upload/server/content/files/16081ae55897ab---ninawibitezadu.pdfIn PDF document text
- http://charivne.info/images/file/ravelojaxofavobanu.pdfIn PDF document text
- http://ekbdrive.ru/ckfinder/userfiles/files/52120006739.pdfIn PDF document text
- https://svltv.in/userfiles/files/judazofatirikufatuv.pdfIn PDF document text
- https://alfa-clining.ru/wp-content/plugins/super-forms/uploads/php/files/ffed2351a43f50691d64bc44848d1c6a/zusegexizuwam.pdfIn PDF document text
- https://www.alignerco.ca/wp-content/plugins/super-forms/uploads/php/files/23cc48e67c903927fb5f1b4bdd96e99e/84638801276.pdfIn PDF document text
- https://cutletsmeat.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a67128f22e5---mikipaxata.pdfIn PDF document text
- https://www.mozartcantat.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160855d0ba15c3---99345488998.pdfIn PDF document text
- http://www.itbaloch.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609d1ce328503---4266996543.pdfIn PDF document text
- http://www.canadavisaservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/160af70afe8065---faruzofijozowixotu.pdfIn PDF document text
- http://ziepniekkalns.lv/wp-content/plugins/formcraft/file-upload/server/content/files/1608105eedf4fe---vatosoveganoxuxosaxunokam.pdfIn PDF document text
- https://www.mnspineandsport.com/wp-content/plugins/super-forms/uploads/php/files/7e41aff579bcc71a1beac70c9291cdee/58231199523.pdfIn PDF document text
- http://stonestudio.pl/files/upload/file/54581526804.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/1KS0DP0cxss/uplcv?utm_term=how+to+be+a+pro+sniper+in+pubg+mobilePDF 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_off0000ed0e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED0E | 16792 bytes |
SHA-256: 255fc21d325386c4215ffed885a5cb8b22c78b053c78ee77ad693634d0d31133 |
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font_01_sfnt_off000118d2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x118D2 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000130e9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x130E9 | 10912 bytes |
SHA-256: d35b90183f6291dafe07d197eb46a067222917403568d2a6ab0452aad1eb003e |
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