MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The heuristics indicate it functions as a link farm, directing users to multiple compromised WordPress upload locations and disposable hosting sites, disguised as a loan forgiveness letter. Although no scripts were explicitly extracted, the PDF structure and embedded URLs suggest it is designed to redirect users to potentially malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9987
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 http://an-ocn.ru/ckfinder/userfiles/files/vexobajubaxovu.pdf In PDF document text
- https://markzone.az/wp-content/plugins/super-forms/uploads/php/files/g2bs305m0d0amso217n1q9l37a/vubenajudokidexurinegok.pdfIn PDF document text
- http://topoint.cc/userfiles/fckFile/20210720235030.pdfIn PDF document text
- http://mispuntossaga.com/campannas/file/42906793397.pdfIn PDF document text
- https://agribusiness.pk/wp-content/plugins/formcraft/file-upload/server/content/files/1609fff8c36292---zidaj.pdfIn PDF document text
- http://www.maoles.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609cfd71d2a74---refawisibukez.pdfIn PDF document text
- https://www.sonorisation-auxerre.fr/ckfinder/userfiles/files/87562515548.pdfIn PDF document text
- http://triumphtoday.org/wp-content/plugins/formcraft/file-upload/server/content/files/16073e4023438f---66926533472.pdfIn PDF document text
- https://edarky.net/data/file/82373803424.pdfIn PDF document text
- http://dianacb.cz/userfiles/file/zorakisorawuvawotekopi.pdfIn PDF document text
- http://www.playerclub.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16072fb93686b0---toromotibonefo.pdfIn PDF document text
- http://nc2e.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1607cc56d618e1---porulowemo.pdfIn PDF document text
- https://profbuhotchet.ru/wp-content/plugins/super-forms/uploads/php/files/77dc47290e1daddc9e20f1c839bfd6bf/15202748424.pdfIn PDF document text
- http://paillasse.hu/userfiles/file/zaramadive.pdfIn PDF document text
- https://mandarinkinesiska.com/userfiles/file/bagotirokupozamulaxek.pdfIn PDF document text
- http://www.bestlifepolicy.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160fd79e34499a---79643218092.pdfIn PDF document text
- https://www.mclarenpress.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608dea850ee8f---15364075773.pdfIn PDF document text
- http://www.kreasoft.mx/wp-content/plugins/formcraft/file-upload/server/content/files/16073f9d54e333---futoda.pdfIn PDF document text
- https://www.crossfitparamaribo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160fccf4f97d74---12118590871.pdfIn PDF document text
- https://maxim-catering.de/wp-content/plugins/super-forms/uploads/php/files/s9i1ge4pd2i2s3ipigmjlhakab/98557468671.pdfIn PDF document text
- http://ophirtonhotel.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160a73ad33bc21---16740820552.pdfIn PDF document text
- http://clubesquilacoma.com/uploads/files/48338261777.pdfIn PDF document text
- https://vydavatelstvoklett.sk/userfiles/file/zutenukodofa.pdfIn PDF document text
- https://planet-for-events.de/userfiles/file/781208873.pdfIn PDF document text
- http://www.pirac.org/wp-content/plugins/super-forms/uploads/php/files/a45fde075dfa2adc1c1990c451976d86/17758988587.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/YTWXjIUwRh0/uplcv?utm_term=how+to+write+a+loan+forgiveness+letterPDF 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_off0000e200.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE200 | 16396 bytes |
SHA-256: 5f3cec5b633e06ba483794a15b463d6bd77ee7743bd1fb67fc547cc6e81d2f6d |
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font_01_sfnt_off00010c5d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10C5D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00012474.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12474 | 10532 bytes |
SHA-256: e5f5e20373a15ee8f7c2f1913234bdecdd55e1a5d667a9802db6b2592bc82fa1 |
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