MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file is identified as a malicious PDF by multiple heuristics and an ML classifier. It contains a link farm pointing to compromised CMS upload storage, suggesting it's used to distribute malicious content or redirect users to phishing sites. The PDF structure and embedded URLs indicate a phishing or malware distribution attempt, likely delivered via spearphishing.
Machine Learning
- Nyx PDF Classifier malicious score 0.9978
Heuristics 6
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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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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://stefandes.com/wp-content/plugins/formcraft/file-upload/server/content/files/1615ebb28cda79---jonomidivelisagumavimum.pdf In PDF document text
- http://www.2m-france.com/img/uploaded/file/42522292301.pdfIn PDF document text
- http://www.driftime.ee/wp-content/plugins/formcraft/file-upload/server/content/files/1613c75a8912eb---loritoku.pdfIn PDF document text
- http://www.flamanville-76.fr/upload/file/71022889420.pdfIn PDF document text
- https://stradatextiles.com/upload/ckfinder/files/49844442466.pdfIn PDF document text
- https://ijtm.in/userfiles/file/53529359323.pdfIn PDF document text
- http://maksimetall.ru/files/73555019220.pdfIn PDF document text
- https://woodfur.in/userfiles/file/gebawutidafozas.pdfIn PDF document text
- http://miamiwars.pl/wp-content/plugins/super-forms/uploads/php/files/8823397b7e99d5f195031c8bea480d8e/8009152944.pdfIn PDF document text
- https://5uempat.com/contents/files/8542480395.pdfIn PDF document text
- https://intersensor.ro/v2011/Files/fck_upload/file/72608253867.pdfIn PDF document text
- http://e-baze.lv/images/site/file/zadilezirekelotowatepimu.pdfIn PDF document text
- https://na-nule.ru/wp-content/plugins/super-forms/uploads/php/files/0uai648h37upfiacct137se6r2/16157754672.pdfIn PDF document text
- https://mfdesign.hu/files/file/xofumesopu.pdfIn PDF document text
- https://www.bevillelecomte.ovh/ckfinder/userfiles/files/wibabejejama.pdfIn PDF document text
- http://danceaction.be/userfiles/file/1784819897.pdfIn PDF document text
- http://hastensandbreakfast.nl/userfiles/file/15890146322.pdfIn PDF document text
- http://esipro.lu/userfiles/file/tekifatevi.pdfIn PDF document text
- http://0965818789.com/CKEdit/upload/files/vefolubusuxej.pdfIn PDF document text
- http://vswet.ru/f/riperebunawopomudeko.pdfIn PDF document text
- http://raylutickenterprises.com/userfiles/files/850952060.pdfIn PDF document text
- http://feedproxy.google.com/~r/MbOu/~3/TxADE9PCSUw/uplcv?utm_term=pregnancy+outside+the+wombPDF 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_off000171fe.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x171FE | 21976 bytes |
SHA-256: 02d582a993043850cf47ee5ab27a3ce54f7f5e6cfeaaa73917181173d49f1340 |
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font_01_sfnt_off0001abb0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1ABB0 | 11212 bytes |
SHA-256: a95a1919734700c0121efd374e82e80fa27873bd600b13dcbaa8a4f2b70daf43 |
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font_02_sfnt_off0001c5a8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1C5A8 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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