MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs, many of which point to compromised or disposable hosting, indicating a link farm designed to lure users to malicious sites. The ML classifier and ClamAV detection strongly suggest malicious intent, likely for phishing or malware distribution. The presence of a URL with 'utm_term=script+maker+apk' suggests a potential lure for users seeking specific tools.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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=script+maker+apk PDF link annotation
- http://tdvvietnam.vn/webroot/img/files/zetud.pdfIn PDF document text
- https://allcreaturesinc.com/files/files/31003055252.pdfIn PDF document text
- http://theponghop.com/upload/files/rupemudawij.pdfIn PDF document text
- http://studiobaldizzone.com/userfiles/files/mimidubifirosudirulum.pdfIn PDF document text
- http://7166867.ru/ckfinder/userfiles/files/rifizavunuwow.pdfIn PDF document text
- http://oroblupiscine.it/userfiles/files/62384846042.pdfIn PDF document text
- https://espritgt.com/userfiles/file/gesibeji.pdfIn PDF document text
- http://dokturmice.com/ckfinder/userfiles/files/mekikenefabibikakobi.pdfIn PDF document text
- https://k9-warrior.com/wp-content/plugins/super-forms/uploads/php/files/ohb7chj95kj6cqilh0li0anfs6/12014819010.pdfIn PDF document text
- http://mmsmarin.com/imgimage/file/vufuvenezizotise.pdfIn PDF document text
- http://cx-gl.hu/images/files/sawugopoj.pdfIn PDF document text
- http://irfanmakina.com/depo/sayfaresim/file/wajavelanulobukagunagavun.pdfIn PDF document text
- http://fajni3333.fun4two.pl/uploads/assets/file/zejumudisubis.pdfIn PDF document text
- http://www.vitrierbxl.be/wp-content/plugins/formcraft/file-upload/server/content/files/161408b181687d---tumewawafiguzonukimipusa.pdfIn PDF document text
- http://abwcoliseum.com/uploads/files/baser.pdfIn PDF document text
- http://cbstav.cz/file/jefupepaviroraga.pdfIn PDF document text
- http://szhlfz.net/upload/napagafuvugijuzupodog.pdfIn PDF document text
- https://mahanakhon.pacedev.com/ckupload/files/85289464375.pdfIn PDF document text
- http://laser-piskovani.cz/democms/userfiles/file/9158098972.pdfIn PDF document text
- http://goldenmallbiotech.com/upload/files/91504002723.pdfIn PDF document text
- https://madspot.dk/ckfinder/userfiles/files/78413390727.pdfIn PDF document text
- https://na-nule.ru/wp-content/plugins/super-forms/uploads/php/files/ea68lldh1490qle7im1aosfsj6/gopiwezapezibafixo.pdfIn PDF document text
- https://laetitiabernard.fr/images/file/15699082906.pdfIn PDF document text
- http://fosterfreezesantarosa.com/uploads/files/78219860120.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_off0000b120.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB120 | 14800 bytes |
SHA-256: c1057467e11c4573e059bd3db0bd5c7b08ed7fae6dfb4e98b6fb029c749dbc51 |
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font_01_sfnt_off0000d669.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD669 | 10264 bytes |
SHA-256: fc7bc907d860a8042e754a0339ba4d5b6be5b4573204cb0c4fd37a0c87d1c8ab |
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font_02_sfnt_off0000ed8f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED8F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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