MALICIOUS
166
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF was flagged by ML classifiers and ClamAV as malicious, with heuristics indicating it functions as a link farm on disposable hosting. The 'Password-protected archive handoff' heuristic suggests the document's purpose is to trick the user into downloading a password-protected file, likely to bypass security scanning. No scripts were extracted, but the presence of embedded URLs and the overall structure point towards a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9917
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LUREDocument gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
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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 http://specialcats.nl/media/files/68699341809.pdf In PDF document text
- http://longarmquiltacademy.com/fckeditor/userfiles/file/37823503442.pdfIn PDF document text
- http://bonfiremadigan.com/uploads/fckeditor/file/saxorewemusofapa.pdfIn PDF document text
- http://fusen-es.info/yamituki-n/uploads/files/35646400514.pdfIn PDF document text
- https://mihalex.by/files/files/27565420898.pdfIn PDF document text
- http://soles2walk.com/data/file/botowojuredekojitebu.pdfIn PDF document text
- http://autolavaggiocraparotta.it/userfiles/files/29465910307.pdfIn PDF document text
- http://awfiowv.love-mrt.com/upload/files/74557803481.pdfIn PDF document text
- http://yourbuilding.ru/userfiles/files/kukopurisukaxejowu.pdfIn PDF document text
- https://ratco-hardware.com/Ups/files/pemowogexagirekopomotekiw.pdfIn PDF document text
- http://acm-medicali.it/userfiles/files/pisafamegogubuvelixok.pdfIn PDF document text
- https://danielfelber.ch/userfiles/file/24266326032.pdfIn PDF document text
- https://dom4m.by/userfiles/files/fimixegu.pdfIn PDF document text
- http://hongpakthai.com/ckfinder/userfiles/files/vevivagewitufaket.pdfIn PDF document text
- http://praguynakorn.com/praguynakorn/picture/datapro/files/xabibivazemivimeluzejadi.pdfIn PDF document text
- http://abovomedia.hu/_user/file/jabuboworakifewibitej.pdfIn PDF document text
- https://ilexgold.com/app/webroot/files/userfiles/files/vawunuwuj.pdfIn PDF document text
- http://giftboxvietthuy.com/upload/ck/files/vusulafomotibikanokemepo.pdfIn PDF document text
- http://bobiniauto.com/userfiles/file/58137832887.pdfIn PDF document text
- http://yuseigachi.nl/wp-content/plugins/formcraft/file-upload/server/content/files/161448ec23aecc---wirixawofof.pdfIn PDF document text
- http://n3ss.ro/ckfinder/userfiles/files/dutufifibogizobobiru.pdfIn PDF document text
- https://aristi-trap.com/upload/users/files/14575266073.pdfIn PDF document text
- https://ppuhperspektywa.pl/files/edytor/file/82420906742.pdfIn PDF document text
- http://makassitools.com/userfiles/file///gibuwudadafatuzefowunez.pdfIn PDF document text
- http://totoquynhhuong.com/upload/files/25829013711.pdfIn PDF document text
- https://vietnaminsight.biz/ckfinder/userfiles/files/47550685434.pdfIn PDF document text
- http://feedproxy.google.com/~r/Xvkpad/~3/896FEnmJZlk/uplcv?utm_term=print+section+of+pdfPDF link annotation
- 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_off0000d76b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD76B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000ef82.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF82 | 10408 bytes |
SHA-256: 9556f0b0c3a49086c4cb47470002a5a23b3627d5966a409bcb24dca71f28da9a |
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font_02_sfnt_off0001072c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1072C | 16100 bytes |
SHA-256: 521b3c917be3443ee0722022e70d0ad41644540066e79b007f9245f954be7e5f |
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