MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was identified as malicious by ML classifiers and ClamAV, specifically flagged as a phishing trojan. Heuristics indicate it functions as a link farm, directing users to multiple external URLs hosted on potentially compromised or disposable domains. The embedded URLs, such as 'https://krisoc.ru/uplcv?utm_term=friends+season+1+watch+online+free', suggest a lure to potentially malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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=friends+season+1+watch+online+free PDF link annotation
- http://nwatchonline.net/userfiles/file/41753680823.pdfIn PDF document text
- https://swaarm.de/app/webroot/upload/files/gefawudozus.pdfIn PDF document text
- https://buildingexpertsdirectory.com/ckfinder/userfiles/files/28074318792.pdfIn PDF document text
- http://myshiou.com/uploads/files/202109081805125813.pdfIn PDF document text
- http://kalmi.ru/upfiles/files/37080787971.pdfIn PDF document text
- http://logo4you.dk/userfiles/file/xodologazafuximo.pdfIn PDF document text
- http://a-aqua.fr/ressource/site-image/files/79438106279.pdfIn PDF document text
- https://exam10.menapoint.com/app/webroot/upload/files/61988093831.pdfIn PDF document text
- http://karimeh.com/public/userfiles/file/zagunodewufilu.pdfIn PDF document text
- https://ipekyolumedya.com/resim_galeri/file/10228156883.pdfIn PDF document text
- http://hockjoohin.com/admin/uploads/file/jomozufimimeb.pdfIn PDF document text
- http://gymostrov.org/gymostrov/userfiles/file/32969314028.pdfIn PDF document text
- https://www.simplythebestevents.ca/wp-content/plugins/formcraft/file-upload/server/content/files/161367b22f34fa---pemukaxuwaxigogonajev.pdfIn PDF document text
- https://abzesolar.com/uploads/files/badiwerivuvu.pdfIn PDF document text
- http://adhdadvisory.com/wp-content/plugins/formcraft/file-upload/server/content/files/161314d6012dfa---25125546036.pdfIn PDF document text
- https://limpjet.com.br/wp-content/plugins/super-forms/uploads/php/files/2f2fe25f3dfcff8dc99b20fdc75f91fa/zazoxiwefe.pdfIn PDF document text
- https://rivieresoceanie.com/ckfinder/userfiles/files/28990610223.pdfIn PDF document text
- https://shopexpert.com/app/webroot/files/userfiles/files/xifadawopulibaso.pdfIn PDF document text
- http://thangmayedex.com/webroot/img/files/63621754642.pdfIn PDF document text
- https://mallenmediations.com/mallenmediations/images/userfiles/file/dunijomupugofosavosal.pdfIn PDF document text
- http://drivingschool-brno.eu/files/jegumibalagizosu.pdfIn PDF document text
- http://getem.pl/files/file/zigir.pdfIn PDF document text
- http://maxitelt.no/wp-content/plugins/formcraft/file-upload/server/content/files/1614aee238fe43---nidelobitalofofepolovi.pdfIn PDF document text
- https://greenfins-thailand.org/uploads/file/nepekarajedisumerozagogu.pdfIn PDF document text
- http://lagostena.it/userfiles/files/kelirukomezebamo.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_off0000b92e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB92E | 17764 bytes |
SHA-256: d1c6f6ebfe4e06777d0c11490d097fdb002b5d81feaa03d1e7021701d6b6d820 |
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font_01_sfnt_off0000e6da.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE6DA | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000fef1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFEF1 | 10688 bytes |
SHA-256: f62a86d0d43bcd27e4a820d67d63b9965ea3ccddc123a3739b6cf97433d7bf21 |
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