MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links to external websites, many of which are hosted on compromised or disposable domains, suggesting a link farm designed to distribute malicious content. The heuristic 'ML_NYX_PDF_MALICIOUS' and ClamAV detection further support its malicious nature. The embedded URLs, such as 'https://laborke.ru/uplcv?utm_term=google+play+store+hack+lets+you+download+paid+apps+for+free', indicate a lure related to app hacking, likely leading to malware downloads or phishing pages.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
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 https://laborke.ru/uplcv?utm_term=google+play+store+hack+lets+you+download+paid+apps+for+free PDF link annotation
- http://blackhorsesc.pl/userfiles/file/59370433442.pdfIn PDF document text
- http://seosanhrd.com/userfiles/file/34367289090.pdfIn PDF document text
- http://rracc.com/file_media/file_image/file/giwudidufobiruwogutifeda.pdfIn PDF document text
- http://libron.pl/fckupload/assets/file/burefidazixokexijaru.pdfIn PDF document text
- http://ardennes.proximeo.com/ckfinder/userfiles/files/47817719321.pdfIn PDF document text
- https://gites-les-bardots.com/userfiles/file/jusotojosimex.pdfIn PDF document text
- http://beijingxinzhi.com/userfiles/file/20210906184915_1830385616.pdfIn PDF document text
- https://pasarangroup2.com/contents/files/65685018802.pdfIn PDF document text
- http://sieckultury.pl/wp-content/plugins/super-forms/uploads/php/files/e52dc4c64bf1ea43b9780c1dbcbe93e1/2675604227.pdfIn PDF document text
- https://pensiunea-escape.ro/ckfinder/userfiles/files/majegerononazerevub.pdfIn PDF document text
- http://energcomb.net/cms_enercomb/sgi_userfiles/userfiles/files/75767616906.pdfIn PDF document text
- https://www.tifdip.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613e976a35dc8---jasokurip.pdfIn PDF document text
- http://furniture83.com/upload/files/janotizutiv.pdfIn PDF document text
- http://smartvoicecom.com/userfiles/zubitibotanu.pdfIn PDF document text
- https://topinsolventa.ro/userfiles/file/sixemiwatanaduvabumagiwi.pdfIn PDF document text
- http://dyneco.kr/userData/board/file/32519702658.pdfIn PDF document text
- http://makrostal.pl/user_images/file/30193198625.pdfIn PDF document text
- http://hantechwelding.com/userfiles/file/2021091321494573499.pdfIn PDF document text
- http://fteq.ru/files/file/xekopire.pdfIn PDF document text
- http://pb-book.com/user_file/file/fazuriduko.pdfIn PDF document text
- http://sts-logistika.ru/wp-content/plugins/super-forms/uploads/php/files/0e1e444391394681a4b8ffde3cc558f7/78137190765.pdfIn PDF document text
- http://costruzionibulagna.it/userfiles/files/fitifedefixadopuz.pdfIn PDF document text
- http://megalabsrl.it/userfiles/files/jukawazizufad.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_off0000def2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDEF2 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f709.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF709 | 11332 bytes |
SHA-256: 297df9bd1c276ffdc688d12e14147e8bec69c885e38a94764d290d860980f238 |
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font_02_sfnt_off0001119a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1119A | 17172 bytes |
SHA-256: 874bd2d0f0873adf475e27ee04fc2d027f99618e461427aee727dea329a5b6cf |
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