MALICIOUS
166
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links to external files, many of which are hosted on disposable domains, suggesting a link farm for distributing malicious content. The heuristic 'SE_PASSWORD_ARCHIVE_LURE' indicates the document likely instructs the user to open a password-protected archive, a common tactic to bypass gateway scanning. The presence of ML and ClamAV detections further supports its malicious nature, classifying it as a phishing trojan.
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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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://zezoalza.com/ckupload/files/15086711661.pdf In PDF document text
- http://icbiz.ru/userfiles/file/20989286610.pdfIn PDF document text
- http://tonyprins.nl/images/uploads/file/67359979268.pdfIn PDF document text
- http://bergfin.se/wp-content/plugins/formcraft/file-upload/server/content/files/1613a3a6d461ed---99655671673.pdfIn PDF document text
- http://pinturasoltra.com/images/slider/files/17363634328.pdfIn PDF document text
- http://archgeo-leszno.pl/uploads/userfiles/files/gewuwifovigajaj.pdfIn PDF document text
- http://fst-uinsu.net/userfiles/files/44629593583.pdfIn PDF document text
- http://poketomecam.com/uploads/files/xosonobaj.pdfIn PDF document text
- http://ormansagszive.hu/upload/file/17870460762.pdfIn PDF document text
- http://alda.pl/ckfinder/userfiles/files/14359564482.pdfIn PDF document text
- http://studioguidobarbieri.it/userfiles/files/62848254652.pdfIn PDF document text
- http://tokyoracing.hu/userfiles/file/vesibisusogavexapovipagu.pdfIn PDF document text
- http://alessandrobelleseveterinario.eu/userfiles/files/80584623033.pdfIn PDF document text
- http://gianenricofabro.com/userfiles/files/fiweda.pdfIn PDF document text
- http://kamienneogrody.com/userfiles/file/damufavatememosed.pdfIn PDF document text
- http://runo34.ru/attachments/file/59372667598.pdfIn PDF document text
- http://luckyassessoria.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1613b974fb0928---porizujemevifazopojukazob.pdfIn PDF document text
- http://crabandclaw.com/uploads/files/72183287857.pdfIn PDF document text
- https://duvanco.be/docs/files/ditevep.pdfIn PDF document text
- http://mecateengenharia.com.br/ckfinder/userfiles/files/57062569030.pdfIn PDF document text
- http://knx-shop.ru/admin/ckfinder/userfiles/files/tujunomofikaralilojajol.pdfIn PDF document text
- http://schule.havonix.com/ckfinder/userfiles/files/parorezugodis.pdfIn PDF document text
- http://baschin-heizung.de/meineBilderAlbertGrundschule/file/vexirarukovarodorurumib.pdfIn PDF document text
- http://byecook.com/ckupload/files/86287874073.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/A3Ryygt5BCM/uplcv?utm_term=iphone+video+player+apkPDF 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_off0000c5d5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC5D5 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000ddec.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDDEC | 10448 bytes |
SHA-256: e5c084b6c01ade126bce19ba86cdb976816acee18734eac57f2e8267e89a10be |
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font_02_sfnt_off0000f580.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF580 | 16760 bytes |
SHA-256: 0bdc181eaf91d5763ef6623686ff223abff5b54b5387d96df7e132ca1715250e |
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