MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains embedded JavaScript and external URIs, with a high ML classifier score and ClamAV detection indicating malicious intent. The 'SE_CALLBACK_LURE' heuristic specifically points to a callback phishing or tech-support scam pattern, where the document likely prompts the user to call a number for a fabricated issue. The presence of embedded JavaScript suggests it may be used to further exploit the user or download additional payloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9985
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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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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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://locktactyuma.com/userfiles/file/68782094207.pdf In PDF document text
- http://nassagroup.org/app/webroot/js/ckfinder/userfiles/files/35998345834.pdfIn PDF document text
- http://phutungvespaco.com/luutru/files/fururiposabixu.pdfIn PDF document text
- https://defi128.com/userfiles/files/benibufa.pdfIn PDF document text
- https://gsm.company/ckfinder/userfiles/files/nifuwudewulafit.pdfIn PDF document text
- http://gccde.com/downloads/blog/geust/files/maluvilobimikom.pdfIn PDF document text
- https://shidoremicrosys.com/media/38799373374.pdfIn PDF document text
- http://theorientgarden.iorderfoods.com/uploads/files/zarisejuxazutawozajemibu.pdfIn PDF document text
- http://hennel.hu/sources/elemek/file/nininubamoreris.pdfIn PDF document text
- https://www.lamuccacompany.com/wp-content/plugins/super-forms/uploads/php/files/1d4a6a3892a0d23dbecaee5245320998/xogexeviwesimomusovul.pdfIn PDF document text
- https://senzedigicraft.com/wp-content/plugins/super-forms/uploads/php/files/4b90c1d51be37c48d85aabf56f10938d/77578014853.pdfIn PDF document text
- http://zonwering-nederland.com/ckfinder/userfiles/files/48311780549.pdfIn PDF document text
- http://hotelbellevuepalermo.com/userfiles/files/xazoluzuk.pdfIn PDF document text
- http://pogologistics.com/ckfinder/userfiles/files/losesoziparenoramanugipe.pdfIn PDF document text
- http://qlinairnv.be/userfiles/file/xikusixopadozuboweku.pdfIn PDF document text
- https://cryptoshift.be/anaeter_capital/siteadmin/userfiles/files/folepaverijadafu.pdfIn PDF document text
- http://northmarking.com/userfiles/files/80906547819.pdfIn PDF document text
- http://shannonlakeestates.org/fck_images/file/67317087322.pdfIn PDF document text
- http://soles2walk.cz/data/file/kavavowi.pdfIn PDF document text
- https://losungversorger.com/product/file/38464808750.pdfIn PDF document text
- https://stl-log.com/htdocs/cljr/data/files/walexowozojer.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/ngfLrbzwjls/uplcv?utm_term=christian+ringtones+for+androidPDF 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_off0000c0e8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC0E8 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000d8fa.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD8FA | 19912 bytes |
SHA-256: a581407c0850daa14330e6bf920c28ee20e9f2c7e5c50e49a9e1e13a279ba653 |
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font_02_sfnt_off00010d68.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10D68 | 10616 bytes |
SHA-256: 171c5eb6c81d09b07d37790f945c683af491dba3a2f8c87ef275ab14a50100ed |
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