MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The sample is identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The presence of external URIs and a link farm on disposable hosting suggests a phishing or malware distribution scheme. The 'SE_CLICKFIX' heuristic indicates the document likely attempts to trick the user into executing a command, potentially to download and run a second-stage payload.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
Heuristics 7
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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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ClickFix social engineering attack high SE_CLICKFIXDocument instructs the user to press Win+R or paste a command into a terminal — consistent with ClickFix attacks that bypass macro restrictions by tricking users into running malicious commands directly
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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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Callback phishing phone lure medium SE_CALLBACK_LUREDocument asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
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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://synerhu.ru/uplcv?utm_term=minecraft+launcher+for+android PDF link annotation
- https://hmanagement.net/userfiles/file/lokuxipapafelavixuwakakug.pdfIn PDF document text
- http://qcfloor.com/userfiles/file/ropezubolifawesifekediw.pdfIn PDF document text
- http://ophirtonhotel.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/161350fdd1f875---75517679495.pdfIn PDF document text
- http://shanghaiqingchen.com/upload/files/jixezevamodasijad.pdfIn PDF document text
- http://alarcon-v.com/editor_upload_image/file/61986535112.pdfIn PDF document text
- http://dailyxedayhang.com/userfiles/files/buxoravofeko.pdfIn PDF document text
- https://gift2goa.com/ckfinder/userfiles/files/kadesuvozavawabisosamav.pdfIn PDF document text
- http://www.cpiequipos.com/assets/images/user_files/files/dujafub.pdfIn PDF document text
- http://tcsklife.com/filespath/files/20210912120313.pdfIn PDF document text
- http://kxzyjy.com/CKEdit/upload/files/90946699694.pdfIn PDF document text
- http://vakantie-noordlimburg.nl/ckfinder/userfiles/files/31759319942.pdfIn PDF document text
- https://jin-ji.com/upload/files/xonenuboxokirixolozenogu.pdfIn PDF document text
- https://www.adoz.cz/ckfinder/userfiles/files/52510677535.pdfIn PDF document text
- https://hiroyoung.com/data/files/doxuzudeb.pdfIn PDF document text
- https://feldmann.pl/userfiles/file/bajopomawip.pdfIn PDF document text
- http://aylincinarli.com/fckfiles/file/dizipikexelabololadazojaw.pdfIn PDF document text
- http://woodlandhills.ilovepokebar.com/uploads/files/dekonoxepibolufujiduvut.pdfIn PDF document text
- http://baheth24cars.com/ckfinder/userfiles/files/xedazikeguxapovi.pdfIn PDF document text
- https://listocrm.com/userfiles/files/79582227273.pdfIn PDF document text
- http://www.kliningstroy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/161394c9b80722---8438414816.pdfIn PDF document text
- https://srinivasagroup.com/ci/userfiles/files/rinonowu.pdfIn PDF document text
- https://dunaweb.co/bg_image/files/34282108750.pdfIn PDF document text
- https://bilegt.mn/userfiles/files/tijulutevopuwovagipija.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_off0000e7e2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE7E2 | 18040 bytes |
SHA-256: 3400330f266b851e30f64e9a312b30ab553b7ba36cc6a1630cdd038dd9fc4dda |
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font_01_sfnt_off000116db.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x116DB | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00012ef2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12EF2 | 10500 bytes |
SHA-256: c9925a9165e1da5a6c40f0adbd3dfd8f82c2f523ca978939335440e04fd5257c |
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