MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was flagged as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The heuristics reveal it functions as a link farm, directing users to multiple external URLs, some of which are hosted on compromised CMS platforms or disposable domains. The presence of 'utm_term' parameters suggests a phishing or SEO-based lure to trick users into visiting these sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9982
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://synerhu.ru/uplcv?utm_term=lightroom+mobile+apk+mod PDF link annotation
- http://rayhovietnam.vn/upload/files/79630865918.pdfIn PDF document text
- http://barrybusiness-crm.com/ressource/devis-photo/files/67772863943.pdfIn PDF document text
- http://counterreaction.net/wp-content/plugins/formcraft/file-upload/server/content/files/1614b8813eddab---mamowunebejawizoxi.pdfIn PDF document text
- http://kinel-hunter.ru/upfiles/file/12248056610.pdfIn PDF document text
- http://wine-paraphernalia.com/files/winep/_repo/file/vafev.pdfIn PDF document text
- https://www.enviedecrire.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614c947514daf---35050149636.pdfIn PDF document text
- http://showpelec.com/data/file/20210904_082742_492.pdfIn PDF document text
- https://siyata.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/161349d1878a63---ruzipaletuda.pdfIn PDF document text
- https://alperbehang.nl/userfiles/file/81255236410.pdfIn PDF document text
- http://www.bridalchapel.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613f654e84330---81367513123.pdfIn PDF document text
- http://popnmusic.fr/userfiles/file/98535360188.pdfIn PDF document text
- https://nikosdimos.gr/userfiles/file/47051853191.pdfIn PDF document text
- https://worldtradezone.com/userfiles/file/mufasivubuvin.pdfIn PDF document text
- http://unite-chem.cn/upload/files/wewodip.pdfIn PDF document text
- http://cuakeobinhduong.com/upload/files/baxotojofogugo.pdfIn PDF document text
- http://marinaxaraes.com.br/ckfinder/userfiles/files/nutujetijojisobipuru.pdfIn PDF document text
- http://lpsa.cz/userfiles/file/busabenofoximu.pdfIn PDF document text
- http://haohanlegend.com/Uploadfiles/files/83001232434.pdfIn PDF document text
- http://myepres.com/HotelEstimator/userfiles/file/webuxozixoxixisezobasa.pdfIn PDF document text
- http://cke.hk/userfiles/75890653958.pdfIn PDF document text
- http://audiomaster.se/wp-content/plugins/formcraft/file-upload/server/content/files/161301ffc11ad3---99075425432.pdfIn PDF document text
- https://www.tessilgiada.it/wp-content/plugins/formcraft/file-upload/server/content/files/1613c8eb7a5278---kefamuxuwubapa.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_off0000b1b8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB1B8 | 10756 bytes |
SHA-256: 32aba99972fd998cde64e75b3318dbbb21e8ad4038277e60f63c3c42d53f870e |
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font_01_sfnt_off0000c9fc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC9FC | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000e20e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE20E | 16580 bytes |
SHA-256: 979753b180944a8974bc9f680227b58223ec1afa7837eb68f6a9cafc8a1b4e4c |
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