MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged as malicious by ClamAV and an ML classifier. It contains numerous external links, many pointing to compromised WordPress sites, suggesting a link farm or phishing lure. The presence of external URIs and link farm heuristics indicates an attempt to redirect users to potentially malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9979
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=mx+player+pro+apk+download PDF link annotation
- http://www.mtpartnersfl.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613e2a24321c3---sizegopirumuwor.pdfIn PDF document text
- http://chnli.tw/CKEdit/upload/files/nasidilotavonapa.pdfIn PDF document text
- http://totoumi.jp/upload/file/46672783239.pdfIn PDF document text
- http://clinicaveterinariamontecchia.com/userfiles/files/49606218362.pdfIn PDF document text
- http://dienvietbac.com/uploads/files/22326878911.pdfIn PDF document text
- https://414movement.com/wp-content/plugins/super-forms/uploads/php/files/9e9ff79334e98e6e5b0ac3718839e993/98792275949.pdfIn PDF document text
- http://ciba.lv/uploaded/file/zawaruwakizola.pdfIn PDF document text
- https://www.taxikladis.gr/wp-content/plugins/formcraft/file-upload/server/content/files/1613a5f5979a0d---31717759317.pdfIn PDF document text
- http://master-stroi76.ru/userfiles/file/81392690605.pdfIn PDF document text
- https://jvlegacyhomerepairsmd.com/nbloom/fckuploads/file/dovenoxuzularunelad.pdfIn PDF document text
- http://zonazero.es/userfiles/file/vojarasi.pdfIn PDF document text
- http://pieseclimaauto.com/files/file/savir.pdfIn PDF document text
- https://sma-dfgg.org/site/admin/file/moxepo.pdfIn PDF document text
- http://mprime.net/ckfinder/userfiles/files/16273396125.pdfIn PDF document text
- http://luckyassessoria.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/161347ee881fec---49452350116.pdfIn PDF document text
- http://www.icodar.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613fc0a0b4c41---66252810829.pdfIn PDF document text
- https://cpsguffanti.com/uploads/file/95456897382.pdfIn PDF document text
- http://www.emporiocaritaspisa.it/wordpress/wp-content/plugins/formcraft/file-upload/server/content/files/1614c912151620---misisapuzafujiwa.pdfIn PDF document text
- http://sms-dk.com/FileData/ckfinder/files/20210911_006626DFD6328F7B.pdfIn PDF document text
- http://vektor-bezpeki.com/userfiles/files/65389127819.pdfIn PDF document text
- http://nfc-lampang.com/user_img/files/lelajugonafugemebomado.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_off0000d79b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD79B | 10412 bytes |
SHA-256: 56659ebf4bea53183aea462ac78d59b7f4d3fbca3472d35de91b2eeb27ee56c4 |
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font_01_sfnt_off0000ef64.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF64 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00010776.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10776 | 18216 bytes |
SHA-256: 91b4992696b1e2eb70f60e5d5cd12a4e9c7b83feb9ab8d5e517688caf93aeded |
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