MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by ClamAV as Pdf.Phishing.Trojan and an ML classifier indicated a high probability of maliciousness. The document contains numerous external URIs and links to compromised CMS uploads, suggesting it functions as a link farm. These links likely lead to phishing sites or further malware distribution, aligning with a spearphishing attachment attack pattern. No scripts were extracted from this sample.
Machine Learning
- Nyx PDF Classifier malicious score 0.9835
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://nomylo.ru/uplcv?utm_term=what+do+you+do+if+you+lost+your+permit PDF link annotation
- http://la-roofers.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16077c741150c2---35320298695.pdfIn PDF document text
- https://studio45.live/wp-content/plugins/super-forms/uploads/php/files/ailcbcq9grh864o7ufh353745i/lupodifutejekonunutoduwa.pdfIn PDF document text
- http://www.anieliasfx.com/uploads/textareas/file/22425959387.pdfIn PDF document text
- http://internationalnetworksolutions.net/files/4226998537.pdfIn PDF document text
- http://www.guaitoli.eng.br/wp-content/plugins/formcraft/file-upload/server/content/files/160cd1e0440c32---84760231014.pdfIn PDF document text
- http://china-hold.com/UploadFile/file/20210622193150914.pdfIn PDF document text
- https://barcelonamedicalcenter.com/files/galeria/files/18269492961.pdfIn PDF document text
- http://lblussana.it/images/file/37436841533.pdfIn PDF document text
- https://burragebrothers.com/demo/jolie/beta/userfiles/files/xojojisuv.pdfIn PDF document text
- http://pebyte.com/wp-content/plugins/super-forms/uploads/php/files/fn8onr3hk0rpn1jqmjvh1h0cce/70390657722.pdfIn PDF document text
- http://bigband-ulm.de/userfiles/files/98777840277.pdfIn PDF document text
- http://mirrorgallery.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607db70cc07d3---pavujuxodepafu.pdfIn PDF document text
- https://themodernla.com/wp-content/plugins/super-forms/uploads/php/files/1cadb8d3a6a6c301d3c0ec93c664c7a9/nebolu.pdfIn PDF document text
- https://premiumvipbusiness.com/wp-content/plugins/super-forms/uploads/php/files/ddf65f8ba5bbee38f58a6ea8b0ea8edf/soperibulerefi.pdfIn PDF document text
- http://ednak.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609e662a4d17b---nukemanuxaloterejagu.pdfIn PDF document text
- http://southportrubbish.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a418ef4ac4f---18997538082.pdfIn PDF document text
- http://ahdongjiu.com/upload_fck/file/2021-6-5/20210605015848567642.pdfIn PDF document text
- http://bogelaipigeon.com/upload/file/62591326434.pdfIn PDF document text
- http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/16072ab04ab1a1---51447682639.pdfIn PDF document text
- http://www.infranetltd.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607cb3465dce6---letukevojofatuka.pdfIn PDF document text
- http://vswet.ru/f/70701558766.pdfIn PDF document text
- http://gayaarchi.com/userfiles/file/20210519105823.pdfIn PDF document text
- https://theatresaucinema.fr/uploads/file/59267265173.pdfIn PDF document text
- http://artmetinc.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607a1f44abd2f---34751354579.pdfIn PDF document text
- https://www.rekalibracija.com/wp-content/plugins/super-forms/uploads/php/files/386be5d2edd923ddf6d10f9cb486d463/13378466572.pdfIn PDF document text
- https://www.alertgy.com/wp-content/plugins/super-forms/uploads/php/files/9145af622a3087c7336606af5a74273f/39822274352.pdfIn PDF document text
- 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_off0000fe28.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFE28 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0001163a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1163A | 17088 bytes |
SHA-256: 90bfb5e841b7c230a7349e4a4bcd52762174317e8d44f08448fbb1f288cace71 |
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font_02_sfnt_off000142ad.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x142AD | 10868 bytes |
SHA-256: d8e1745a3c94f83fda7d700f70435f1047d9615f7da68c189f7ebe4d2429df0e |
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