MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was flagged by multiple heuristics as malicious, including a critical ClamAV detection and an ML classifier indicating a high probability of maliciousness. The document functions as a link farm, directing users to numerous unknown URLs hosted on compromised WordPress sites, suggesting a phishing or malware distribution attempt. The presence of many distinct hosts and links per host indicates a broad effort to distribute malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9935
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.marthatrotts.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160b7b991140c8---bewalewibidokakufepusewag.pdf In PDF document text
- http://sciencevier.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b98765527ee---57942260887.pdfIn PDF document text
- http://dentherapia.hu/files/file/48195529110.pdfIn PDF document text
- http://www.bandungmesin.com/file/saxalafabojuloxemelowo.pdfIn PDF document text
- https://tirthmobile.com/wp-content/plugins/super-forms/uploads/php/files/ja4uachhn3rnrpv0cvhsbg41o1/wuwesaxitu.pdfIn PDF document text
- http://www.onegelha.com/wp-content/plugins/super-forms/uploads/php/files/db8c2331c54d14463135e5ad2896f6ad/83265076724.pdfIn PDF document text
- https://performanceltg.com/wp-content/plugins/super-forms/uploads/php/files/f063b31f1ed6e24e7ee11b8d72c0a12d/83945932328.pdfIn PDF document text
- http://www.alex-vasilkov.ru/images/wisdom/file/notixifisesopejabufatu.pdfIn PDF document text
- http://anhuishangbiao.com/upload_fck/file/2021-5-25/20210525083128390720.pdfIn PDF document text
- https://maclashoes.it/file/56001693538.pdfIn PDF document text
- https://www.prowallpanama.com/wp-content/plugins/super-forms/uploads/php/files/b99f184e2ef256622aa2ba79034d90d4/62486611840.pdfIn PDF document text
- http://mijneigenlift.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1609718bda929d---38724836302.pdfIn PDF document text
- https://www.rogierstoel.nl/wp-content/plugins/super-forms/uploads/php/files/o6p64f53ckgf1s8n2k92drcsug/xujurera.pdfIn PDF document text
- http://www.brennholz-heinlein.de/wp-content/plugins/formcraft/file-upload/server/content/files/160aef9d3010e4---nezoje.pdfIn PDF document text
- https://micsys.in/userfiles/file/64541586774.pdfIn PDF document text
- http://poongdung.com/FileData/ckfinder/files/20210620_0FA2DFC08CF2F9AF.pdfIn PDF document text
- http://www.iycadana.org/wp-content/plugins/super-forms/uploads/php/files/kdp9hlk7g61g9235oh6tum4d53/35492370105.pdfIn PDF document text
- https://radiosmile.hu/upload/file/kupudisinuveraxubox.pdfIn PDF document text
- https://www.sabiamente.es/wp-content/plugins/formcraft/file-upload/server/content/files/16091555926b14---zewibupoperulexino.pdfIn PDF document text
- https://www.msolartop.cz/wp-content/plugins/formcraft/file-upload/server/content/files/160a9e723bffb3---vetotafovinig.pdfIn PDF document text
- http://connect-senior.ch/uploades/userfiles/file/24491884012.pdfIn PDF document text
- https://graffitipaintstudio.com/wp-content/plugins/super-forms/uploads/php/files/b4ec53ceb89936873c912761ad52c963/61017152036.pdfIn PDF document text
- https://faresaldabbous.com/uploads/files/vuzudaxigemozasariwe.pdfIn PDF document text
- http://elementsgogreen.com/userfiles/file/95429190119.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/S30rS-6n6vg/uplcv?utm_term=state+of+wyoming+government+jobsPDF 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_off00010c5f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10C5F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00012476.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12476 | 11120 bytes |
SHA-256: 1702779ca4e335512da7470dc94e7b26af42ec01e35920ff9ba87622b9d3a4ea |
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font_02_sfnt_off00013e73.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13E73 | 17140 bytes |
SHA-256: 91390628a4845bc013cc1e2101bb8544daaf0409955fbabdcbcfd2c33a50883a |
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