MALICIOUS
166
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF was flagged by multiple heuristics, including a critical ClamAV detection and an ML classifier indicating maliciousness. The presence of a 'Password-protected archive handoff' heuristic suggests the document is designed to trick the user into believing they need a password to access an archive, which is a common tactic for delivering malware. The numerous embedded URLs, many pointing to PDF files on unknown domains, further support the phishing and malware delivery intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9964
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://abogarestudio.com/userfiles/file/22228789838.pdf In PDF document text
- http://kfnmsz.com/upfolder/e/files/20210910174637.pdfIn PDF document text
- https://takipcisec.com/calisma2/files/uploads/nimutulupiwerolubebef.pdfIn PDF document text
- https://cosonnguyenthanh.vn/webroot/userfiles/files/67821647319.pdfIn PDF document text
- https://tigapilar.com/upload/files/36517797547.pdfIn PDF document text
- http://www.specemc.ru/upload/files/71925865871.pdfIn PDF document text
- https://h16hr15k-h19hr37urn.com/contents/files/81253137239.pdfIn PDF document text
- http://getem.eu/files/file/xexadewujukurakezejufidur.pdfIn PDF document text
- https://coastalholidayproperty.com/ckfinder/userfiles/files/48078731922.pdfIn PDF document text
- http://hcwan.com/userfiles/file/93534807642.pdfIn PDF document text
- http://w.scenekunstskolen-efteruddannelsen.dk/ckfinder/userfiles/files/silajaxidadibaletekira.pdfIn PDF document text
- http://zoncmswebsitebeheer.nl/files/editor/file/feziwos.pdfIn PDF document text
- http://www.ibadirect.com/wp-content/plugins/formcraft/file-upload/server/content/files/16132a92a5f86e---vufisaz.pdfIn PDF document text
- http://tuzvedo.hu/elemek/file/bojurijurowutumadas.pdfIn PDF document text
- http://am-assets.com/aom/magnolia/userfiles/file/liboguxomumelemuwe.pdfIn PDF document text
- https://regiefranchet.fr/userfiles/files/dujave.pdfIn PDF document text
- http://armiikrajowej36.pl/public/upload/ckfinder/userfiles/files/81903909546.pdfIn PDF document text
- http://uniondeautoescuelas.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613e5f53d9f21---lamig.pdfIn PDF document text
- http://ets-sptk.ru/pic/file/walebosazapigotenobud.pdfIn PDF document text
- http://hasomedia.com/userfiles/file/zibab.pdfIn PDF document text
- https://lemonsport.sk/upload/file/zivonudimanemukokot.pdfIn PDF document text
- http://kientrucsangtrong.com/plus/files/xeruxamowonotavobu.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/cv9VXjIrmdE/uplcv?utm_term=android+remove+pin+lockPDF 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_off0000dd71.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDD71 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f588.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF588 | 10384 bytes |
SHA-256: 550d129b70ec3153ed56d0a171dd0b9012feed0d2200fb10826ec7f93095d877 |
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font_02_sfnt_off00010cec.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10CEC | 18304 bytes |
SHA-256: af03a1fd9816952a7eb6f8f3677c0793e83338156bb9de3040fd8af1c9340088 |
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