MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The file functions as a link farm, containing numerous URLs that likely lead to phishing sites or malware downloads. The presence of external URIs and link farm heuristics strongly suggests a spearphishing attachment attack pattern, where the PDF is used to lure victims to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9995
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://irlanc.ru/uplcv?utm_term=minecraft+download+tlauncher+1.16.3 PDF link annotation
- http://df-foundry.net/d/files/dezaputivunividi.pdfIn PDF document text
- http://blog.crowdly.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a65795d49a4---98195099229.pdfIn PDF document text
- http://bensonlandscape.com/editorData/file/fabodagu.pdfIn PDF document text
- https://fcksa.com/ckfinder/userfiles/files/lojefafitenujugezugudoga.pdfIn PDF document text
- https://www.grandiosa.is/wp-content/plugins/super-forms/uploads/php/files/m0k6e15105nds8djgarsmvj9d1/41158244386.pdfIn PDF document text
- https://easybuildapp.com/files/uploaded/files/tuzabitimamemeziwox.pdfIn PDF document text
- http://exclusivelimoservice.com/ckfinder/userfiles/files/50950657884.pdfIn PDF document text
- https://fellowpeo.com/wp-content/plugins/super-forms/uploads/php/files/06b17bd2a122e6830f149b6c8544a300/83342209910.pdfIn PDF document text
- http://famcareconnect.org/wp-content/plugins/formcraft/file-upload/server/content/files/1606f33e427ea4---bozotubilabetikifowiwel.pdfIn PDF document text
- https://cavalier-hundezucht.ch/userfiles/file/93488855008.pdfIn PDF document text
- http://bhavalaya.org/ckfinder/userfiles/files/zibejulivabezegonu.pdfIn PDF document text
- https://www.xyoaa.org/sites/default/files/files/gikiliwaxaxovij.pdfIn PDF document text
- https://actorconseil.com/files/file/16032611580.pdfIn PDF document text
- http://zkojicin.cz/userfiles/file/bipokagimoputex.pdfIn PDF document text
- http://blueyee.com/upload/file/062047577290.pdfIn PDF document text
- http://www.humillacionyestrella.org/ckfinder/userfiles/files/xekogamedebezi.pdfIn PDF document text
- http://888chji.com/userfiles/files/tavoxokixasurakupunam.pdfIn PDF document text
- http://cascinamana.it/userfiles/file/68481871335.pdfIn PDF document text
- https://journeypeople.cc/wp-content/plugins/super-forms/uploads/php/files/ac51f9b554fbfc71b82e16ce69ea9ca9/88186565764.pdfIn PDF document text
- http://global-poseg.com/wp-content/plugins/formcraft/file-upload/server/content/files/16082e7fe885e9---runazigesotug.pdfIn PDF document text
- https://atlaskvartir.ua/data/uploads/files/fazuwizijusofodadigasegof.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_off0000feb7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFEB7 | 16916 bytes |
SHA-256: 89eb53ff4f7e395331bb3b32fd32db7ac5344a3ce7a7f5eb4bff9107fb03f08a |
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font_01_sfnt_off00012ac2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12AC2 | 11040 bytes |
SHA-256: bb65608fa4ffe714198aa62744dc51bd933ff066418fb5199a3c281a4d4a794b |
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font_02_sfnt_off0001448b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1448B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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