MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The heuristics reveal it functions as a link farm, directing users to compromised WordPress upload storage and potentially disposable hosting. The presence of a 'download button' lure suggests the primary goal is to trick users into downloading a secondary payload, likely hosted at one of the extracted URLs.
Machine Learning
- Nyx PDF Classifier malicious score 0.9949
Heuristics 7
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://inwebjor.ru/uplcv?utm_term=bank+po+level+percentage+questions PDF link annotation
- http://ar-intl.net/wp-content/plugins/super-forms/uploads/php/files/0iukfr8vpuqcka57umqraagbp5/zaxap.pdfIn PDF document text
- http://antifftech.com/uploadfile/file///2021051312471281.pdfIn PDF document text
- https://chefinhogourmet.com/wp-content/plugins/super-forms/uploads/php/files/e2ebdb9bd1a3c516d670bc8d554cfb69/kulimufifuzedanewu.pdfIn PDF document text
- https://www.revistadefiesta.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606cc6ab11d06---56320788350.pdfIn PDF document text
- http://umiyawoodworks.com/fckdb/userfiles/file/6852277769.pdfIn PDF document text
- https://tamtam.com.ua/wp-content/plugins/super-forms/uploads/php/files/18f7ad562acbe9b463df828d69ff3c9f/takexenupexofe.pdfIn PDF document text
- https://www.ogblfrontaliers.fr/wp-content/plugins/super-forms/uploads/php/files/o1ch1o46efva7si1o3ggco51k8/86375050664.pdfIn PDF document text
- http://www.pirac.org/wp-content/plugins/super-forms/uploads/php/files/eb87f65f39d9832586ea4a617cca5299/63039733187.pdfIn PDF document text
- http://vinhthuan.com/upload/files/27862533572.pdfIn PDF document text
- http://kovacsoltvaskerites.hu/images/file/pukelup.pdfIn PDF document text
- http://assushop.com/userfiles/assushop.com/file/gogazuwidojitujof.pdfIn PDF document text
- http://osullivanspressurewashing.com/wp-content/plugins/formcraft/file-upload/server/content/files/16083f125eb055---7105231026.pdfIn PDF document text
- http://www.loockuniformes.com.br/home/wp-content/plugins/formcraft/file-upload/server/content/files/160d65a749f9f2---munubonesavitezobosabix.pdfIn PDF document text
- http://agiusfuneraldirectors.com/files/file/xebif.pdfIn PDF document text
- https://childconcern.in/trila/userfiles/file/basoduwetif.pdfIn PDF document text
- http://www.absolutecateringla.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aa0c0f6fcb2---tofuliweneteromatoxa.pdfIn PDF document text
- https://www.servicioscalibrados.com/wp-content/plugins/super-forms/uploads/php/files/c27e5b9520c06bc1f581baac39a7a30d/76284715430.pdfIn PDF document text
- http://mesotects.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d62a3fc0b96---lepujafekab.pdfIn PDF document text
- http://adaviestransportltd.com/userfiles/file/zizigelavaposemefokeruxu.pdfIn PDF document text
- https://wildarium.com/ckfinder/userfiles/files/53633907676.pdfIn PDF document text
- https://vresponse.net/userfiles/file/77691128282.pdfIn PDF document text
- http://www.nowsingapore.co.id/wp-content/plugins/formcraft/file-upload/server/content/files/1606efc1895c2b---fuzotajovevo.pdfIn PDF document text
- https://2-view.org/home/view/public_html/ckfinder/userfiles/files/gutit.pdfIn PDF document text
- https://hoovermaids.com/wp-content/plugins/super-forms/uploads/php/files/3c62390be37b6295f0ea6a3d6f3897d3/raserabapojidusufitadi.pdfIn PDF document text
- https://unique.global/wp-content/plugins/super-forms/uploads/php/files/d0adee27c4bfb62dbdc38aaadf41b0b2/fodosuzat.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_off0000d499.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD499 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000ecb0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xECB0 | 11004 bytes |
SHA-256: a5dffd0a071f0eb5616eb6e680ff304fc453b316ab32302e4ff2df8946cb425d |
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font_02_sfnt_off00010629.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10629 | 18640 bytes |
SHA-256: e4b92c4663d7f80b440a17b5b10ae9cc45ed60f4a65f5175f7c24b1ef3062111 |
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