MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous links to external websites, many of which are hosted on compromised CMS platforms or disposable domains, suggesting a link farm designed to redirect users to malicious content. The presence of 'utm_term' parameters in some URLs indicates a phishing lure, likely related to gift card offers.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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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://noithatnhapkhaugiasi.com/luutru/files/milugetomiwuv.pdf In PDF document text
- https://master.plus/wp-content/plugins/super-forms/uploads/php/files/e7bc73d45ab568b70ad845bb83da568f/xefaxosenamun.pdfIn PDF document text
- http://linza-market.ru/upload/files/55673357751.pdfIn PDF document text
- https://nepalonlineexam.tisaracademy.com/userfiles/files/1278484789.pdfIn PDF document text
- http://www.radioemka.com/wp-content/plugins/formcraft/file-upload/server/content/files/16130067eb4cbe---43565470905.pdfIn PDF document text
- http://akekaluck.com/ckfinder/userfiles/files/53424299907.pdfIn PDF document text
- http://berbun.com/user_img/file/gasamugedawanasesotaj.pdfIn PDF document text
- http://bigbulkbags.com/survey/userfiles/files/3173435794.pdfIn PDF document text
- http://cdmvt.cz/sites/default/files/38542068414.pdfIn PDF document text
- http://geoass.eu/userfiles/files/lovarozi.pdfIn PDF document text
- http://vertex-decor.com/userfiles/file/73972673736.pdfIn PDF document text
- http://zjbfjt.com/upload/files/98128900192.pdfIn PDF document text
- http://bioaec.com/userfiles/files/tibijebivonopibivi.pdfIn PDF document text
- http://baby-daycare.com/uploads/files/202109201134307633.pdfIn PDF document text
- http://myphamlulanjina.com/upload/files/gupipevajonosobatisozep.pdfIn PDF document text
- http://benthanhsgfarm.com/images/uploads/files/77765132745.pdfIn PDF document text
- https://arte-salon.ru/upload_picture/sedatexopileguw.pdfIn PDF document text
- http://vitalenzyme.com/uploads/fckupload/file/77167844271.pdfIn PDF document text
- http://huspanda.com/data/ckfinder/files/sinenamuzegazorizumo.pdfIn PDF document text
- https://yournew.site/wp-content/plugins/super-forms/uploads/php/files/kcd6u2svqhrhvgf4ratappcke5/fabusebifawalofolidoge.pdfIn PDF document text
- http://keitbg.com/images/files/fogije.pdfIn PDF document text
- https://familienbilstrup.dk/ckfinder/userfiles/files/tuxenomesoxipibafoneti.pdfIn PDF document text
- http://ykzn8.com/upfiles/editor/files/27639423750.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/A3Ryygt5BCM/uplcv?utm_term=%245+itunes+gift+card+codePDF 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_off0000b22b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB22B | 17824 bytes |
SHA-256: e659d5572214e323620ebb71ca65e5dcf00481e8c91384ddd4d307bdc86eda51 |
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font_01_sfnt_off0000e030.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE030 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000f847.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF847 | 10948 bytes |
SHA-256: 2b70fdde5225a067e416fcaf385e56af120c26e603f25eff94de4780c6445cfb |
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