MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file is identified as malicious by ML classifiers and ClamAV, specifically as a phishing trojan. It contains numerous embedded URLs, many of which point to compromised CMS upload storage or are part of a link farm hosted on disposable domains. The PDF structure and embedded links suggest an attempt to redirect users to malicious sites, likely for phishing or further malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://airshow-bg.com/file/10781349071.pdf In PDF document text
- http://mistralizmiryonetim.com/uploads/file/balowiwovitusu.pdfIn PDF document text
- https://limmaginebistrot.com/file/45510177099.pdfIn PDF document text
- https://inchirierielicopter.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1609b555fa5677---zupuke.pdfIn PDF document text
- http://teplospectr.ru/images/files/dexuju.pdfIn PDF document text
- https://barcelonacentromedico.es/files/galeria/files/87504680654.pdfIn PDF document text
- https://vannordenvastgoed.nl/userfiles/file/13612033036.pdfIn PDF document text
- http://goldenbaycruisesagent.com/userfiles/file/zukikijasugakorakozopa.pdfIn PDF document text
- http://gingerwooddesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609a0de5836a4---11352329834.pdfIn PDF document text
- http://poorclarescork.ie/images/30262058749.pdfIn PDF document text
- https://trvstore.com/userfiles/file/73191004064.pdfIn PDF document text
- http://chinajnbt.com/images/upload/File/komexunerinaxagutokowan.pdfIn PDF document text
- http://orderkiwicafe.com/uploads/files/40446315247.pdfIn PDF document text
- http://ne-moloko.ee/wp-content/plugins/super-forms/uploads/php/files/4c13f7277e2d67a8e67d4072344ce725/52986303780.pdfIn PDF document text
- http://imhkayseri.com/resimler/files/zunutatone.pdfIn PDF document text
- http://www.neslihanonur.com/wp-content/plugins/super-forms/uploads/php/files/1a28a08ec15fbd97eea2fee2a8458d2b/32969047432.pdfIn PDF document text
- http://copingconversations.com/userfiles/file/lijadolowemax.pdfIn PDF document text
- https://heatingboiler.ca/fck_upload/file/dunamub.pdfIn PDF document text
- http://at2apigroup3.com/contents//files/momipufifu.pdfIn PDF document text
- http://myhomeinparis.com/userfiles/files/37313145628.pdfIn PDF document text
- http://panhongbo.com/ckfinder/userfiles/site_eachfun_com/files/8093687159.pdfIn PDF document text
- https://evg-prague.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160c2a4e11f771---37336209041.pdfIn PDF document text
- http://yejida.com/userfiles/file/44720641647.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/fzgW7-mxBc0/uplcv?utm_term=cuando+una+palabra+es+aguda+llana+o+esdr%C3%BAjulaPDF 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_off0000dcb5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDCB5 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f4c7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF4C7 | 17904 bytes |
SHA-256: da3c6a23c073187f45e9f1996e0e11cfda062af3058f9b901636e00a8f80a251 |
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font_02_sfnt_off000121e0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x121E0 | 10892 bytes |
SHA-256: 4c65707e0136dc81c3e57c8c411ddac790081bcc90f396f2d8057c4386268ac6 |
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