MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous embedded URLs, many of which point to compromised CMS uploads and disposable hosting, suggesting a link farm designed to redirect users to potentially harmful content. No scripts were extracted, and the document body was unreadable, but the heuristic firings strongly indicate a phishing or redirection attack.
Machine Learning
- Nyx PDF Classifier malicious score 0.9985
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://conservationenergy.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f644e8583c4---25390077153.pdf In PDF document text
- http://loaamtran.vn/files/usersfiles/files/xulugozog.pdfIn PDF document text
- http://brickchamber.com/ckfinder/userfiles/files/56174718288.pdfIn PDF document text
- https://marathonlaval.com/userfiles/files/6215941686.pdfIn PDF document text
- https://museos.comarcadelasierradealbarracin.es/ckfinder/userfiles/files/fesudofubetugapiwetoluvuw.pdfIn PDF document text
- https://advik.net/userfiles/file/23947733306.pdfIn PDF document text
- http://cargo3030.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1609f73883835a---94223459928.pdfIn PDF document text
- http://www.vitrierbxl.be/wp-content/plugins/formcraft/file-upload/server/content/files/160887b782dcc6---27802682297.pdfIn PDF document text
- http://gdlianyu.com/uploadfiles/file/28389032137.pdfIn PDF document text
- https://akdenizokullari.k12.tr/wp-content/plugins/super-forms/uploads/php/files/kpmmd9a03nc9gtesl8au7du9bf/40978311201.pdfIn PDF document text
- https://www.officinadelgustoroma.com/wp-content/plugins/super-forms/uploads/php/files/c2a1494d2f83b6a156eee842adc1cea8/wusus.pdfIn PDF document text
- https://abril.pe/wp-content/plugins/super-forms/uploads/php/files/dndgv82th4stdtfpmdmhplqckd/94146306008.pdfIn PDF document text
- https://laps.pl/userfiles/file/50215735208.pdfIn PDF document text
- https://eduinfinite.com/wp-content/plugins/super-forms/uploads/php/files/4744193646c580d21c9817c9f8014299/wonimusisofakedegu.pdfIn PDF document text
- https://www.popcaffe.it/wp-content/plugins/super-forms/uploads/php/files/a6ad8630b4a00ea6deb8e07895165bf6/35907219477.pdfIn PDF document text
- http://summithighschool1958.com/clients/71652/File/minidawomevajivogaj.pdfIn PDF document text
- http://www.atrium-tuiles.com/wp-content/plugins/formcraft/file-upload/server/content/files/160981eeb92ddd---98747373452.pdfIn PDF document text
- http://graphicon.hu/wp-content/plugins/formcraft/file-upload/server/content/files/160783fb15cf65---vezarizuresuzadubafume.pdfIn PDF document text
- http://www.primalegal.eu/wp-content/plugins/super-forms/uploads/php/files/1gvn2koc3ie7h57dvj2tkg9rj7/22471611039.pdfIn PDF document text
- http://aelma.com/sites/default/userfiles/file/zipukibinuw.pdfIn PDF document text
- https://mziagroup.com/wp-content/plugins/super-forms/uploads/php/files/gk907ltcodnf1pqpk2qlehlbk3/kurorugorekefegijev.pdfIn PDF document text
- http://www.gametimecatering.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c1e1c71a82f---kivavenorosasogeke.pdfIn PDF document text
- https://markzone.az/wp-content/plugins/super-forms/uploads/php/files/3lj5k33s0vbbmnma0cfn1gvem6/29775585810.pdfIn PDF document text
- https://markzone.az/wp-content/plugins/super-forms/uploads/php/files/8k8alq132q9js9077nn2jrth9q/39657584299.pdfIn PDF document text
- https://akproauto.com/nbloom/fckuploads/file/riligejununekomuvuderibu.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/6naE_Nh8_CY/uplcv?utm_term=must+may+can%27t+exercises+pdfPDF 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_off000104e9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x104E9 | 17332 bytes |
SHA-256: f1f8bc616fe749a5e2b4309d0ae7a7a38fb07f609ab6aebfa4b4bd4e2bd9a68f |
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font_01_sfnt_off00013234.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13234 | 10956 bytes |
SHA-256: 0c054b9b31f72d1acc9c4df764ac2b9cdaeff7479c22fcffdd0d1d197f2ae07d |
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font_02_sfnt_off00014bb6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14BB6 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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