MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. It contains numerous external links, many pointing to compromised websites or disposable hosting, suggesting a link farm designed to redirect users. The presence of embedded URLs and the overall structure indicate an attempt to direct users to malicious sites, aligning with spearphishing tactics.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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://archism.ru/uplcv?utm_term=social+construction+of+gender+identity+pdf PDF link annotation
- https://eminesenlikoglu.org/resimler/files/74949903915.pdfIn PDF document text
- http://ytovietnam.net/ckfinder/userfiles/files/tuzorexopekabugitogarul.pdfIn PDF document text
- https://cbconsulting112.ca/userfiles/files/wanitobajuwebafupibuta.pdfIn PDF document text
- http://botosani.ro/img/uploads/file/fomexexejapup.pdfIn PDF document text
- https://velvetskin.pl/wp-content/plugins/super-forms/uploads/php/files/72ae2a9418e9487e9923ebedc1adfcf4/9050356430.pdfIn PDF document text
- https://hiroyoung.com/data/files/19576395576.pdfIn PDF document text
- https://chetanaus.org/bheru/uploadfiles/file/70349149359.pdfIn PDF document text
- http://conelser.hu/fck_uploads/file/wokubevanazux.pdfIn PDF document text
- http://www.pirac.org/wp-content/plugins/super-forms/uploads/php/files/07f1530f2267af4bb5137a60a3f82094/kivodago.pdfIn PDF document text
- https://member-amz-seller-system.de/wp-content/plugins/super-forms/uploads/php/files/9e68080d6605e0aca87e1ede40c118e7/59315375124.pdfIn PDF document text
- https://funkydrop.shop/wp-content/plugins/super-forms/uploads/php/files/90acad90a8d9d2a254c999b9d307ed07/40020602220.pdfIn PDF document text
- http://freeski.hu/freeski/file/lijejenunoko.pdfIn PDF document text
- https://kudamatsu.org/userfiles/file/kaxejurebu.pdfIn PDF document text
- http://www.aportecnica.com/imagenes/editor/file/kilububizibukoxipixaku.pdfIn PDF document text
- https://suhrsmad.dk/wp-content/plugins/formcraft/file-upload/server/content/files/16082c3706e8cf---fuwekilexotevetoridonam.pdfIn PDF document text
- http://ttc-investco.com/img/files/juboxajaxojazep.pdfIn PDF document text
- http://lex.tj/img/file/gajitite.pdfIn PDF document text
- https://teenvolunteer.org/wp-content/plugins/super-forms/uploads/php/files/dda3c78bbf6b9dc78f1547acafa55b45/sewasekapisajejawig.pdfIn PDF document text
- https://kenkochaya.com/user_data/ckfinder/files/fefawuxisagal.pdfIn PDF document text
- https://cncunse.com/d/files/20361535880.pdfIn PDF document text
- http://xn----7sbakif2a3azdub.xn--p1ai/admin/ckfinder/userfiles/files/zezizuxovadupizon.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_off0000d6ff.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD6FF | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000ef16.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF16 | 11084 bytes |
SHA-256: 7f0d21691e9ddf5a8bb9ca2c4d5a705267bc33df91dbd418fca08308c4dd0a7d |
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font_02_sfnt_off000108d9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x108D9 | 16952 bytes |
SHA-256: f252f231204785b6590b24d57083a0ae6179b015876a090feb9a62dc8a1da14a |
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