MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics indicate it functions as a link farm, directing users to multiple external URLs, some hosted on compromised WordPress sites. The presence of external URIs and link farm characteristics suggests a phishing or malware distribution campaign.
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://laborke.ru/uplcv?utm_term=le+petit+prince+pdf+download PDF link annotation
- http://www.chiringuitomediterraneo.com/ckfinder/userfiles/files/xilenojalo.pdfIn PDF document text
- http://rimini-portal.de/bilderarchiv/file/68929667911.pdfIn PDF document text
- http://studiodara.eu/userfiles/files/zozawuzivetogunufuli.pdfIn PDF document text
- https://familienbilstrup.dk/ckfinder/userfiles/files/39160056482.pdfIn PDF document text
- http://opakowania-loga.pl/zdjecia/fotki/file/gagitu.pdfIn PDF document text
- http://ksiclubcom.ksiclub.org/svnprojects/DHD/Source/images/files/tefusasasatuwi.pdfIn PDF document text
- http://ecohost.ru/pics/images/file/kubekotupijuzipuki.pdfIn PDF document text
- http://videocycling.info/files/file/naramozelawofebo.pdfIn PDF document text
- http://violetstudio.in/userfiles/file/75341055880.pdfIn PDF document text
- https://master.plus/wp-content/plugins/super-forms/uploads/php/files/8ac0d06f9838a65fab44ab931221b63a/kememeziwusivimor.pdfIn PDF document text
- http://npcbalkan.net/ckeditor/ckfinder/userfiles/files/siveladevuzobo.pdfIn PDF document text
- http://xn----7sbakif2a3azdub.xn--p1ai/admin/ckfinder/userfiles/files/75728086064.pdfIn PDF document text
- https://europartner2.pl/uploads/bejelivetufawefufebi.pdfIn PDF document text
- https://archielectronics.com/userfiles/files/bovozezufujoresivu.pdfIn PDF document text
- http://www.mamafoundation.cz/ckfinder/userfiles/files/20365078308.pdfIn PDF document text
- https://aquariumfargo.com/wp-content/plugins/super-forms/uploads/php/files/501f46641f0802bc5440b625085bebc9/48831899429.pdfIn PDF document text
- http://bibonatura.com/ckfinder/userfiles/files/zugolo.pdfIn PDF document text
- https://smartech.lv/sites/smartech/uploads/documents/files/nexemetefagedim.pdfIn PDF document text
- http://macautemple.com/userfiles/file/12807698349.pdfIn PDF document text
- https://gift-edu.ru/wp-content/plugins/super-forms/uploads/php/files/9a1333eac729e56be8dabfaa6d57a3be/27654324831.pdfIn PDF document text
- http://smolninskayahotel.com/userfiles/file/25595020130.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_off0000abdb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xABDB | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000c3ed.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC3ED | 15356 bytes |
SHA-256: 5124ad24a1116f0e9fca398d6e733f166db99a0ca4c110a6f7c157bde42d2ef0 |
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font_02_sfnt_off0000eaab.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEAAB | 10488 bytes |
SHA-256: 96e45aa94c6a1f1215d7a18c9dc88b5c8212779720d7031e1f1b581a9018a374 |
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