MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. Numerous heuristics indicate it functions as a link farm, with many URLs pointing to compromised WordPress sites. These links likely serve to redirect users to malicious content or phishing pages.
Machine Learning
- Nyx PDF Classifier malicious score 0.9980
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 https://krisoc.ru/uplcv?utm_term=kairali+news+channel+live+in+malayalam PDF link annotation
- https://noukos.gr/wp-content/plugins/formcraft/file-upload/server/content/files/1613f699818999---pibolew.pdfIn PDF document text
- https://masterjobintl.com/ckfinder/userfiles/files/2160335948.pdfIn PDF document text
- http://abwmercury.com/uploads/files/gulijilo.pdfIn PDF document text
- http://precisao.org/files/files/miriwep.pdfIn PDF document text
- http://omegapizza.net/uploads/files/pigiforijivuzamatak.pdfIn PDF document text
- https://deesudcoolingtower.com/userfiles/file/41337083128.pdfIn PDF document text
- http://to-tuong.com/media/ckfinder/files/dixukeniwenusiwixosex.pdfIn PDF document text
- http://szamosiszerviz.hu/feltoltott/files/26721695357.pdfIn PDF document text
- http://alrehabourhome.com/userfiles/files/simatanoxisivedosonada.pdfIn PDF document text
- http://sportingfoundation.com/uploads/file/gepakutatalivujixaja.pdfIn PDF document text
- https://abril.pe/wp-content/plugins/super-forms/uploads/php/files/8i9rtna75qfh9mmfhk45b2ki95/maxitorumagozobegoz.pdfIn PDF document text
- https://familienbilstrup.dk/userfiles/file/60885917173.pdfIn PDF document text
- http://indiebookoftheday.com/wp-content/plugins/formcraft/file-upload/server/content/files/161361acee5065---dusitewewukugawa.pdfIn PDF document text
- https://triyoga-tv.ru/userfiles/file/zewakuziz.pdfIn PDF document text
- http://innersolutions-uk.com/file/defigonafetezeledepomi.pdfIn PDF document text
- http://thepnguyentran.vn/media/ftp/file/82329934162.pdfIn PDF document text
- https://ncfouting.com/wp-content/plugins/formcraft/file-upload/server/content/files/161332aa74f0e0---vopefukagipoberu.pdfIn PDF document text
- https://www.playitdirect.ca/ckfinder/uploadfiles/files/gexerugikefizusotov.pdfIn PDF document text
- https://harpethvalleyhealth.com/wp-content/plugins/super-forms/uploads/php/files/8d149107a9cee6451985d134a8cfb887/90818037063.pdfIn PDF document text
- http://nusamulticentralestari.com/Uploads/userfiles/files/92325001258.pdfIn PDF document text
- https://refundsrefunds.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613900fdcbd2e---ruwoxenip.pdfIn PDF document text
- http://hnht-electromagnet.com/d/files/resoborudoda.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_off0000e6c1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE6C1 | 18244 bytes |
SHA-256: ccb290fa813d8ee2f2114b0a6fb8aa1fce8b8f650eb9030bc131e69217796999 |
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font_01_sfnt_off00011684.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11684 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00012e9b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12E9B | 10536 bytes |
SHA-256: d9fb3ca3a39b0c9725eb3bff31a5f63d1eaf570b9953b6b4e301950ef020b9de |
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