MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. Heuristics identified it as a link farm, with many URLs pointing to compromised or disposable hosting, suggesting a phishing or malware distribution scheme. The document body was unreadable, but the presence of numerous external links and the PDF_SEO_DISPOSABLE_LINK_FARM heuristic strongly indicate the file's purpose is to redirect users to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9937
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://webtraffic.ch/wp-content/plugins/super-forms/uploads/php/files/163gs3rdo9kn4qbtgvetrmflpe/wakubijuwuwozutagak.pdf In PDF document text
- https://pensiuneavlasin.ro/wp-content/plugins/super-forms/uploads/php/files/tgaojiudkdst1je938ifcqcmfu/joxujadunajola.pdfIn PDF document text
- https://larioenergy.net/uploads/file/64202315726.pdfIn PDF document text
- https://nscs.org/wp-content/plugins/super-forms/uploads/php/files/28c7452575c6fed4de24c6f0546f654f/lagoraxolabakelekojefot.pdfIn PDF document text
- https://carparts-fixture.com/file/file/52694761802.pdfIn PDF document text
- http://www.optionassurance.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160919e99bcb98---rojowiradejusowasidaju.pdfIn PDF document text
- https://b2cexpressdemo.com/userfiles/file/39389397638.pdfIn PDF document text
- https://www.chinacimctrailer.com/wp-content/plugins/super-forms/uploads/php/files/1ff1e79e8d8b581dd71e010a77be978a/pibesuwovif.pdfIn PDF document text
- http://baanpowertrain.com/wp-content/plugins/formcraft/file-upload/server/content/files/160837f71beb02---5299097613.pdfIn PDF document text
- http://timebank.ru/sites/default/files/photos/pagefile/wemevikub.pdfIn PDF document text
- http://iphysiology.ru/upload/59642105773.pdfIn PDF document text
- https://drivingschoolofnorthtexas.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607d272d739a9---numefa.pdfIn PDF document text
- http://hayatteknoloji.com/webimage/file/8091575068.pdfIn PDF document text
- http://accomplishtheimpossible.com/userfiles_ati/file/gumujigijerubowoma.pdfIn PDF document text
- https://notrepanierbio.ch/userfiles/file/82466073945.pdfIn PDF document text
- http://strahovka66.ru/userfiles/file/padimuzilimakoz.pdfIn PDF document text
- https://doitsolutions.co/wp-content/plugins/super-forms/uploads/php/files/ac11f3e4dc5b16ce325ed302de5c665d/kijejanutazuxamumapiji.pdfIn PDF document text
- https://www.hagensmarketing.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607bdbbb75f73---fotutijijak.pdfIn PDF document text
- https://refundsrefunds.com/wp-content/plugins/formcraft/file-upload/server/content/files/16079ff685c62e---52181822585.pdfIn PDF document text
- http://arlingtonhigh1961.com/clients/e/ef/ef36f0800c0a5d5a0b00d5ecc8c3c6da/File/soxofan.pdfIn PDF document text
- https://asiaviews.org/wp-content/plugins/super-forms/uploads/php/files/n4sct2rv5u38cs377a18ve9l74/mofawejazeludezakawoti.pdfIn PDF document text
- http://dirabrealtors.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b97768b7eb1---jetekijapogituvam.pdfIn PDF document text
- http://luckyassessoria.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a661ed063da---zilasuzox.pdfIn PDF document text
- https://www.stjohnhomelessshelter.org/wp-content/plugins/super-forms/uploads/php/files/2aa32a51fda105a86263ea0fb6861eec/risajanikuk.pdfIn PDF document text
- https://divorcioconsensual.com.br/wp-content/plugins/super-forms/uploads/php/files/8db348a1eb2aecd8d89cb259fdfc29da/3295560200.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BvfzZFkJO3s/uplcv?utm_term=cast+of+law+and+order+svu+season+21PDF 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_off0001057b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1057B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00011d8d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11D8D | 17772 bytes |
SHA-256: fe13a78d1beb2785a2f8b723163001ed975ec709bee3f428ce1cdcac4322ad27 |
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font_02_sfnt_off00014c8c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14C8C | 10712 bytes |
SHA-256: aa36d6f9749a0e39c9e6555fa2ca544a71b05aacd4eb6da1197aab5264973914 |
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