MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The file functions as a link farm, containing numerous URLs that point to compromised WordPress sites and other disposable hosting. These links likely serve to redirect users to malicious payloads or phishing sites, a common tactic for initial access via spearphishing attachments.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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://qualitycountscleaning.com/wp-content/plugins/super-forms/uploads/php/files/c7768a1aab9b80066fe5cf0296c23030/7558256219.pdf In PDF document text
- https://bloomeng.com/uploads/wezifukevobobobitoxujoz.pdfIn PDF document text
- http://jfkanacon.org/data/userfiles/files/4779996485.pdfIn PDF document text
- https://annjulieskarpmo.com/userfiles/file/1408295279.pdfIn PDF document text
- http://warraichmeats.com/wp-content/plugins/formcraft/file-upload/server/content/files/16079873022d1e---27876730682.pdfIn PDF document text
- https://autosaloncenter.com/uploads/file/vixalor.pdfIn PDF document text
- https://amartzon.store/wp-content/plugins/super-forms/uploads/php/files/742c2cc2b0728d8ce8314cd6cec173b2/falosasogetadewagisuk.pdfIn PDF document text
- http://freemansphotography.com/wp-content/plugins/formcraft/file-upload/server/content/files/16084352f12e4c---xanedobinisesabukir.pdfIn PDF document text
- https://deewo.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607aa7fad4247---2371491590.pdfIn PDF document text
- http://evabody.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1608aed91be57a---zepimi.pdfIn PDF document text
- https://www.alignerco.ca/wp-content/plugins/super-forms/uploads/php/files/5569f5b98f2bac2a52e645765881cbed/xegibevizu.pdfIn PDF document text
- http://brlairport.com/images/file/62285298919.pdfIn PDF document text
- http://barrarioservicos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1606d47b1dc3c1---33367954584.pdfIn PDF document text
- https://sipsib.ru/wp-content/plugins/super-forms/uploads/php/files/0763d65312423506b8d56b41c4d3395e/fowuwebejemo.pdfIn PDF document text
- http://graphicon.hu/wp-content/plugins/formcraft/file-upload/server/content/files/160a922045b3bb---getipaf.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c6be073eaca---kezekoxuvovogovarule.pdfIn PDF document text
- http://ljhalls.com/wp-content/plugins/super-forms/uploads/php/files/9ea454cf940ee90c68ec6f95320a0489/kedukibuwuxun.pdfIn PDF document text
- http://ed-web.cz/userfilesfile/27502289867.pdfIn PDF document text
- http://kaplanpm.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608d808bbb0bb---78470379877.pdfIn PDF document text
- http://www.lbf-cosmetics.com/website/wp-content/plugins/formcraft/file-upload/server/content/files/160a756eb04493---5067492862.pdfIn PDF document text
- http://pngroup.pl/ckfinder/userfiles/files/68325629943.pdfIn PDF document text
- http://amctop.com/board_data/editor_img/file/202106240431.pdfIn PDF document text
- https://www.lenoir-elec.com/wp-content/plugins/super-forms/uploads/php/files/nupp3honsds7l0fkrnejpeg3kp/17025478430.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/fzgW7-mxBc0/uplcv?utm_term=why+do+atoms+bond+with+each+otherPDF 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_off0000e828.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE828 | 10924 bytes |
SHA-256: 2cb29f5362040947c104f40df38e95fb76ee90bd46689e063a03f5a9ec02ff47 |
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font_01_sfnt_off0001015d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1015D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001196f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1196F | 16384 bytes |
SHA-256: dbdfe29776597c07c3d41d7a87509e745e3396db7cd53ff7fa1173c8251d5d3d |
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