MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically identified as a phishing trojan. Heuristics indicate the document functions as a link farm, directing users to various URLs, including one hosted on a compromised WordPress upload directory. The presence of numerous embedded URLs and the nature of the heuristics suggest a phishing or credential harvesting attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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://uzunlarpeynir.com/dursun/upload/files/78183621214.pdf In PDF document text
- https://vdbergelectro.nl/wp-content/plugins/super-forms/uploads/php/files/d157e8bbc9d000ad267ab1f46ff0a773/24210300369.pdfIn PDF document text
- http://mlead.net/images/e/file/zaziduleromamevureveso.pdfIn PDF document text
- https://dolupin.com/calisma2/files/uploads/73776087304.pdfIn PDF document text
- http://soles2walk.com/data/file/75171634741.pdfIn PDF document text
- http://4998horo.gmmwireless.com/contents/files/89338578101.pdfIn PDF document text
- http://elfuklid.cz/foto/Image/file/28277395988.pdfIn PDF document text
- https://taxfirma.com/userfiles/file/39428490831.pdfIn PDF document text
- https://aakritidigitals.com/userfiles/files/kiwul.pdfIn PDF document text
- http://www.belladermeestetica.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1614029067d150---devilinurobajetovoxizedo.pdfIn PDF document text
- http://dralituncer.net/userfiles/file/mudejubibatunirebuzeguguz.pdfIn PDF document text
- https://alharithiforcameras.com/ckfinder/userfiles/files/fajirapurex.pdfIn PDF document text
- http://abnicum.ru/files/file/3379189156.pdfIn PDF document text
- http://steffis-strassladen.de/userfiles/file/37571786534.pdfIn PDF document text
- http://safaraval.com/basefile/safaravalcom/files/15800619621.pdfIn PDF document text
- https://rinducm1.com/contents/files/kitiwojapabivi.pdfIn PDF document text
- http://planetamama.ru/files/file/4575023645.pdfIn PDF document text
- http://studiomuraca.eu/userfiles/files/25672064571.pdfIn PDF document text
- https://edukiya.com/wp-content/plugins/super-forms/uploads/php/files/a31e7a2917f6b09b1a0a26186d244c6d/30494707003.pdfIn PDF document text
- http://studioambienteterritorio.it/userfiles/files/xozofemelafog.pdfIn PDF document text
- http://marcelponjee.nl/ponjeefiles/file/kubawi.pdfIn PDF document text
- https://agrotehholding.ru/wp-content/plugins/super-forms/uploads/php/files/a5e98506b6196d2f1c24131a1f278feb/23360905812.pdfIn PDF document text
- http://jcnjl.com/userfiles/files/76070983476.pdfIn PDF document text
- http://bc-arman.kz/ckfinder/userfiles/files/xewamepenasew.pdfIn PDF document text
- http://sprostredkovanieuverov.sk/res/file/84199759873.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/Om9ozkHLxGw/uplcv?utm_term=how+to+make+v+bucksPDF 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_off0000e3a7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE3A7 | 20060 bytes |
SHA-256: d6e2bcf974f1a63b8ca4ff41e76d9a222d43cea2f0890f249972206e36b72117 |
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font_01_sfnt_off00011866.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11866 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001307d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1307D | 10524 bytes |
SHA-256: 212619919ccc182ba7ee9d75e3ef64b59de7e615fde0d4b674435ca5e3ff3dd0 |
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