MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by ClamAV as a phishing trojan and by an ML classifier as malicious. It contains numerous links, many pointing to compromised WordPress sites and disposable hosting, indicating a link farm designed to redirect users. The presence of external URIs and link farm heuristics suggests an attempt to lead users to malicious content or phishing pages.
Machine Learning
- Nyx PDF Classifier malicious score 0.9952
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 http://europeanprofservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/160720c717dea8---63247517486.pdf
- https://pet-fashion.ro/mm/file/juvozezubebuwib.pdf
- http://dayuntang.com/assets/uploads/ckedit/files/20210702105713.pdf
- http://ubest.ru/images/file/beragupurizuvirugupomikom.pdf
- http://atreve.eu/ubezpiecz/obrazy/file/xixasolugupufekulafaselis.pdf
- https://assurancemauricie.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607c188931746---jikeros.pdf
- http://446888.top/userfiles/file/gewibagowerogejujonejuz.pdf
- http://www.esthemed.ch/wp-content/plugins/formcraft/file-upload/server/content/files/160b3559ae8ce8---61205246500.pdf
- http://svs-pm.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c0b55393b8a---55464116808.pdf
- https://otdelkamos.ru/wp-content/plugins/super-forms/uploads/php/files/add72fb6ab8efa72113af4c910b9876f/keritesokojogugi.pdf
- https://austarpharma.com/upload/files/87637613254.pdf
- http://www.siscard.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c0e5c4834d8---7120170556.pdf
- http://nek.ua/wp-content/plugins/formcraft/file-upload/server/content/files/16079b9002c68e---liluruxufom.pdf
- https://www.icslights.com/wp-content/plugins/super-forms/uploads/php/files/a7fb74c1a3e092d0e0a42eb5d099cfb2/4834234663.pdf
- http://architects-desk.com/uploadsfile/toxajulodilujulibutate.pdf
- https://studiogreenwich.ru/wp-content/plugins/super-forms/uploads/php/files/510fccf2301efdbb98bd021492fbbd14/nikowoxatixezig.pdf
- https://toptenstudy.com/upload/files/BodyFile__60E074402F071.pdf
- http://bouncebodysupplements.com/newerac2c/userfiles/file/duvarunudes.pdf
- https://cvenhancer.com/wp-content/plugins/super-forms/uploads/php/files/408f0b046c14704356848dc9a37c4918/jalerotulo.pdf
- http://mmdplus.com/userfiles/files/20210702_015136.pdf
- http://metzpaintings.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607a7fc2bc917---62516362057.pdf
- https://gotoko.com/cmsv2/upload/files/25183386768.pdf
- http://kursadowicz.pl/Upload/file/ginekegorowitibo.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3CAf4wW3hvY/uplcv?utm_term=disciplinary+action+for+theft+in+the+workplace
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f1e0.bin257ee6618d1fc4cd10dc4f8a8a2e754ef1a2ad56f43599540849bfc930b14d64 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF1E0 | 10868 bytes |
font_01_sfnt_off00010b12.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10B12 | 16792 bytes |
font_02_sfnt_off00012324.bina74b9dfc12bcdf53fd873f8b56c4dd8d859a3272cc3e3eb613d559678cdf4828 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12324 | 16676 bytes |
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