MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The sample was identified as malicious by ML classifiers and ClamAV, specifically as a phishing trojan. It contains numerous URLs pointing to compromised WordPress sites and disposable hosting, acting as a link farm. These links likely lead to phishing pages or further malware downloads, indicating a spearphishing attachment delivery vector.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
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 https://oniceh.ru/uplcv?utm_term=how+do+you+take+blood+pressure+with+a+wrist+monitor PDF link annotation
- https://supermagnum-bg.com/ckfinder/userfiles/files/rukepegajalanitixil.pdfIn PDF document text
- https://webmodels.studio/wp-content/plugins/formcraft/file-upload/server/content/files/160e8c8d1d4b7e---37482459206.pdfIn PDF document text
- http://goodwill.pl/userfiles/file/tegora.pdfIn PDF document text
- http://www.museopizarra.com/ckfinder/userfiles/files/92518389273.pdfIn PDF document text
- https://sk-developers.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606fc00c96fd3---16169985139.pdfIn PDF document text
- http://www.rebranded.tv/wp-content/plugins/formcraft/file-upload/server/content/files/1606c819609063---75633865139.pdfIn PDF document text
- https://www.baptistenhardenberg.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160b06c7820bd8---zemozukipodutebujotaz.pdfIn PDF document text
- http://www.lavalledesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608ecf0848c05---wosalujasagijafaboxidad.pdfIn PDF document text
- http://www.anclupnapoli.it/userfiles/file/doxuzukupalovoxobufotuded.pdfIn PDF document text
- https://parisautotravel.com/wp-content/plugins/super-forms/uploads/php/files/r2cev4mv3gvn3tu9qldn6gmie5/menitorilotor.pdfIn PDF document text
- https://www.tonygssoulfood.com/wp-content/plugins/super-forms/uploads/php/files/88080b56078203830b647cd334bbab5d/84619578952.pdfIn PDF document text
- https://aljazeerahdrilling.com/userfiles/files/jajadavibepeteda.pdfIn PDF document text
- https://astoriareiki.com/wp-content/plugins/super-forms/uploads/php/files/da6d6d164e13a81d0731c13a823727bf/55870197259.pdfIn PDF document text
- http://www.colegiometa.net/home/wp-content/plugins/formcraft/file-upload/server/content/files/160ed77423529c---vifurome.pdfIn PDF document text
- https://mission4recruitment.com/wp-content/plugins/formcraft/file-upload/server/content/files/16071d266a82e2---nuzutamixoges.pdfIn PDF document text
- http://www.whirlpool-beachcomber.at/wp-content/plugins/formcraft/file-upload/server/content/files/1609f1159dfe5e---76011995564.pdfIn PDF document text
- http://bsl-trans.ru/admin/ckfinder/userfiles/files/diwupikekomumapilawevejo.pdfIn PDF document text
- https://ventana-sur.com/wp-content/plugins/formcraft/file-upload/server/content/files/16076044f2fb4d.pdfIn PDF document text
- http://smithmurdock.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a75483bde9c---vadadinavisitaxabiwofetu.pdfIn PDF document text
- http://www.orhancoskun.com/wp-content/plugins/formcraft/file-upload/server/content/files/160afcaed0aa49---75441626182.pdfIn PDF document text
- https://verticala.ro/images/userfiles/88217091483.pdfIn PDF document text
- https://basisnomor.com/contents//files/jolulurifinawu.pdfIn PDF document text
- https://ontime-taxi.kg/wp-content/plugins/super-forms/uploads/php/files/0951debe89ca453389f26d4e4cb9de72/50684042766.pdfIn PDF document text
- http://mindatpeace.us/uploads/files/76615818429.pdfIn PDF document text
- http://ulleungroadtour.com/FileData/ckfinder/files/20210714_8743A500CFCE243F.pdfIn PDF document text
- https://highlander-inn.com/assets/userfiles/files/bedigevisalubekejos.pdfIn PDF document text
- http://digemnd.com/UserFiles/file/xonak.pdfIn PDF document text
- 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_off00010096.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10096 | 11180 bytes |
SHA-256: b05007533052a5761a32a648a7321bddf89a0c98f77cd03542a9b7ea727c4b4a |
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font_01_sfnt_off00011a51.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11A51 | 16976 bytes |
SHA-256: 58baf4d8e5af7804408f5491e853770535fefe17f91ce1100f46879a357dc0d5 |
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font_02_sfnt_off000146a9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x146A9 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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