MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The sample is identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous links pointing to compromised websites and disposable hosting, suggesting a phishing or malware distribution scheme. The PDF structure and link farm characteristics are consistent with attempts to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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://castudio.eu/userfiles/files/35554967716.pdf In PDF document text
- http://autowassenindex.nl/images/uploads/67148337823.pdfIn PDF document text
- http://intechsol.kz/wp-content/plugins/formcraft/file-upload/server/content/files/16139d38a4e1b2---96249707169.pdfIn PDF document text
- http://chuanghuilaw.com/filespath/files/20210910102848.pdfIn PDF document text
- https://marblo.marblobaths.ph/app/webroot/img/files/64643210366.pdfIn PDF document text
- http://zhuoxinlaw.com/userfiles/file/20210910234958_640922138.pdfIn PDF document text
- https://triatlonshop.cz/userfiles/file/65456957379.pdfIn PDF document text
- http://www.nagsa.es/ckfinder/userfiles/files/sofovujemad.pdfIn PDF document text
- http://www.olympussverige.se/wp-content/plugins/super-forms/uploads/php/files/vf3a6sojq8hqvbnti4tq83va5p/35009798017.pdfIn PDF document text
- http://www.iycadana.org/wp-content/plugins/super-forms/uploads/php/files/60tvc78imm2klttc4vv22hmh66/20630467291.pdfIn PDF document text
- https://cosplay-expo.it/ckfinder/userfiles/files/57273589731.pdfIn PDF document text
- http://ominocoibaffi.it/userfiles/files/toseper.pdfIn PDF document text
- https://sim2007.com/files/zutafus.pdfIn PDF document text
- https://blsautomation.com/ckfinder/userfiles/files/59646288503.pdfIn PDF document text
- http://saiprogetti.net/userfiles/files/20579770819.pdfIn PDF document text
- https://boumqueur-edition.com/upload/fckeditor/file/4955698570.pdfIn PDF document text
- https://108pizza.pl/uploads/userfiles/files/foneterisa.pdfIn PDF document text
- http://goksirkrupskimlyn.pl/img/upload/files/99663371985.pdfIn PDF document text
- http://bike-aholic.com/UserFiles/file/lobodujumosonovexonemiw.pdfIn PDF document text
- https://www.caissedesecolesdu5eme.fr/backoffice/ckfinder/userfiles/files/52840248784.pdfIn PDF document text
- https://avantkart.com/wp-content/plugins/super-forms/uploads/php/files/65tesb0j7det3tkkun1b2cph7u/dibazaguluneno.pdfIn PDF document text
- http://quaint-house.com/images/blog/file/99468768208.pdfIn PDF document text
- https://dacinsara.ro/fckfiles/file/68744096119.pdfIn PDF document text
- http://finsura-lifedirect.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1613be9de51307---mutojomepuxanisipe.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/A3Ryygt5BCM/uplcv?utm_term=private+sms+%26+callPDF 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_off0000b2c2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB2C2 | 14940 bytes |
SHA-256: 4c9ad64a6ac31916708b3951dcb920f90fef5c1c1f8f12f210e46fcc5ebb3de2 |
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font_01_sfnt_off0000d830.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD830 | 10064 bytes |
SHA-256: ca069bba9474854dc198aa4a63369d6db72f3f67a224159655e8f16f49b7c2c7 |
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font_02_sfnt_off0000eea4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEEA4 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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