MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file contains numerous embedded URLs pointing to a variety of domains, many of which appear to be compromised or disposable hosting. Heuristics indicate this PDF is a link farm, likely intended to redirect users to malicious sites. The ML classifier and ClamAV detection strongly suggest malicious intent, classifying it as a phishing or trojan PDF.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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://garglob.ru/uplcv?utm_term=330+degrees+to+radians PDF link annotation
- https://balarampurblock.in/ckfinder/userfiles/files/24764944916.pdfIn PDF document text
- http://tdbm.vn/upload/files/vogagizu.pdfIn PDF document text
- http://topoint.cc/userfiles/fckFile/20210913035349.pdfIn PDF document text
- http://jeugdopdewetenschapsagenda.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1613895c02db6a---rupiminukejorazofuve.pdfIn PDF document text
- https://ms01bet.com/contents/files/zirobuloxigemupune.pdfIn PDF document text
- http://sakem.org/userfiles/files/xosasiwatedotonudazerer.pdfIn PDF document text
- http://digitalqwerty.com/ckfinder/userfiles/files/nubinunadizanesulod.pdfIn PDF document text
- http://maschimaurizio.it/userfiles/files/82280122518.pdfIn PDF document text
- http://ranjitabiswas.com/userfiles/files/78351496567.pdfIn PDF document text
- http://amirmazandaranihospital.com/ckeditor/files/files/winadedaxotalidi.pdfIn PDF document text
- https://borderpak.com/wp-content/plugins/super-forms/uploads/php/files/b50f8caa261a757cd829fb667a3a48d5/17318379935.pdfIn PDF document text
- http://spec-so.ru/sites/default/files/file/deverugitukojimirojezara.pdfIn PDF document text
- http://onyx-innovations.com/assets/ckfinder/userfiles/files/zigokasufevebe.pdfIn PDF document text
- http://salman-is.com/userfiles/file/rateponibamexekanibaraza.pdfIn PDF document text
- http://secureyun.cn/uploadfile/file///2021091518004333.pdfIn PDF document text
- http://evohome.pl/userfiles/file/vimalomewadasusezabag.pdfIn PDF document text
- https://jazykovytabor.topenglish.sk/app/webroot/gallery/files/85339267228.pdfIn PDF document text
- http://cp-1.ru/userfiles/files/94904694525.pdfIn PDF document text
- https://holcom-wd.holcom.vn/webroot/img/files/sorasiko.pdfIn PDF document text
- https://topclassgardening.nl/images/file/gomer.pdfIn PDF document text
- http://i-akparat.kz/ckfinder/userfiles/files/tujoke.pdfIn PDF document text
- http://lindendirect.com/tempimg/file/56925134112.pdfIn PDF document text
- https://thewentworthco.com/wp-content/plugins/super-forms/uploads/php/files/9dpijj7ovt7qoj1s4c2or53rns/32369013484.pdfIn PDF document text
- https://balarampurblock.in/ckfinder/userfiles/files/beguwuremuxojubifubage.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_off0000b255.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB255 | 15224 bytes |
SHA-256: f0cc16c84971414de06ead12389354e8f59c08382a42bb1b3f4ebb44c0d379af |
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font_01_sfnt_off0000d899.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD899 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000f0b0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF0B0 | 10576 bytes |
SHA-256: 40eab2b5e7d40777d7704268b3dc0b9bbb0b1621769bf8a118cea87995ce7880 |
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