MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 User Execution: Malicious Link
This PDF document is classified as malicious by ML and ClamAV, indicating a phishing or trojan threat. It contains numerous links, many pointing to compromised WordPress sites and disposable hosting, disguised with a title related to accounting information. The primary attack pattern involves luring users to these malicious sites, likely for credential harvesting or further malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9999
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://inwebjor.ru/uplcv?utm_term=quantitative+characteristics+of+accounting+information PDF link annotation
- https://www.chartsunlimited.com.ph/wp-content/plugins/formcraft/file-upload/server/content/files/160835939ba6dd---xexujerininulu.pdfIn PDF document text
- https://propbrains.com/wp-content/plugins/super-forms/uploads/php/files/sc7r0jj0ee88vj10vu7787adh2/refora.pdfIn PDF document text
- https://thefencedocumentary.com/adminfiles/file/zawewili.pdfIn PDF document text
- http://zadonskiy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16072f551f3f62---51201307033.pdfIn PDF document text
- https://werbemittelag.chupload/file/vukojida.pdfIn PDF document text
- http://hysansam.com/fckeditor/userfiles/image/josibad.pdfIn PDF document text
- http://oneself.pro/wp-content/plugins/formcraft/file-upload/server/content/files/1607d99bbd7157---kitewawibomonuzurelen.pdfIn PDF document text
- https://ontime-taxi.kg/wp-content/plugins/super-forms/uploads/php/files/68f090e05acb7e37ba031534888ff886/48045596160.pdfIn PDF document text
- https://www.beachesbrewing.com/wp-content/plugins/super-forms/uploads/php/files/7d2fa941a76c0b41ea4e383b6ec4622e/92930636724.pdfIn PDF document text
- https://www.capitalroofingct.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609e39a899b8d---6322100234.pdfIn PDF document text
- https://ludifrance.fr/userfiles/file/lemamamavutun.pdfIn PDF document text
- https://www.sacproblemleri.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b7412f3690f---80200467881.pdfIn PDF document text
- http://mdc.ir/ckfinder/userfiles/files/kodinugawa.pdfIn PDF document text
- http://c2mag.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609d1908b860e---70286690970.pdfIn PDF document text
- http://www.verneteco.com/ckfinder/userfiles/files/pepemevuzifilazozezasid.pdfIn PDF document text
- http://www.radioemka.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606ca9e398d35---mutawokirojukibaser.pdfIn PDF document text
- http://newtarrytowndeli.com/uploads/files/diwopab.pdfIn PDF document text
- https://www.unicodesystems.com/wp-content/plugins/super-forms/uploads/php/files/trbia4jrda7fu8llm01vl21qp1/ximumasosejukomegijofadam.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn 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://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e638.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE638 | 5384 bytes |
SHA-256: fadd31332280c355bae731bfe37b1b6db39339a703093076a70f12f0ad890ac9 |
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font_01_sfnt_off0000f86a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF86A | 12420 bytes |
SHA-256: f667208623e7dcff4b8d32ae5773d389e5d1226fa2b18a0465ae9cbd11178e33 |
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