MALICIOUS
214
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and multiple external URIs, including one pointing to a raw IP address, indicating a malicious intent to redirect the user to potentially harmful content. The heuristic 'SE_SECRET_RECOVERY_LURE' suggests the document may attempt to trick users into revealing sensitive information. The ML classifier and ClamAV detection strongly support its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9985
Heuristics 8
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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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Recovery secret / private key request critical SE_SECRET_RECOVERY_LUREDocument requests recovery phrases, private keys, backup codes, or saved passwords. Requests for these secrets in a document are high-risk.
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Clickable URI points to raw IP address medium PDF_URI_IP_LITERALPDF contains a clickable HTTP(S) action whose host is a literal IPv4 address. Legitimate documents normally link to named domains; raw-IP destinations are common in disposable phishing and malware-delivery infrastructure.
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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=download+apk+gallery PDF link annotation
- https://mayxaydungthienlong.com/uploads/files/files/40540085426.pdfIn PDF document text
- http://104.156.58.56/~web2inbox/wp-content/plugins/formcraft/file-upload/server/content/files/1612f2bc2c4012---47109702225.pdfPDF link annotation
- http://designpavelzapletal.cz/files/file/ninotumidi.pdfIn PDF document text
- http://pck.malopolska.pl/wp-content/plugins/super-forms/uploads/php/files/8cac4253e80823538614bcd38aa3a648/xexutugibutuxasanod.pdfIn PDF document text
- http://www.medicellbank.com/userfiles/files/makonofeni.pdfIn PDF document text
- http://nwhouse.ru/uploads/file/37158482550.pdfIn PDF document text
- http://www.bargiel.com.pl/ckfinder/userfiles/files/78335846157.pdfIn PDF document text
- http://yuanjiangchem.com/upload/files/78255219226.pdfIn PDF document text
- http://dokumsuzgec.com/userfiles/files/32898998622.pdfIn PDF document text
- http://internet-trade.eu/UserFiles/file/82234431561.pdfIn PDF document text
- http://studioferrato.it/userfiles/files/zomagefejoso.pdfIn PDF document text
- https://atasuorganiktarim.com/upload/ckfinder/files/76006608696.pdfIn PDF document text
- http://thegrcinstitute.org/app/webroot/js/ckfinder/userfiles/files/nojeligodopewovotinawuxu.pdfIn PDF document text
- http://szhlfz.net/upload/72170120744.pdfIn PDF document text
- http://farmina.ru/uploads/files/53373310380.pdfIn PDF document text
- http://hemeringen.de/ckeditor_ablage/userfiles/files/3448384229.pdfIn PDF document text
- http://makesomenoise.hu/upload/file/wifalemanesujuwuvej.pdfIn PDF document text
- https://www.hkfew.org.hk/ckfinder/userfiles/files/43215547263.pdfIn PDF document text
- http://ptsound.com/plugins/ckfinder/userfiles/files/59357085708.pdfIn PDF document text
- http://paitoonbox.com/userfiles/files/wojawogifelozowekud.pdfIn PDF document text
- https://samudra99.com/contents/files/26228522839.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_off0000e021.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE021 | 10500 bytes |
SHA-256: 8aba632bf4360af4033b3a9fda2af94ae346684336643890ba6725815addd266 |
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font_01_sfnt_off0000f7f7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF7F7 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011009.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11009 | 18808 bytes |
SHA-256: 5b51adaefb843f187b9eab82d1331198cb7f35d8a049442ff3f9931fc5d5870c |
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