MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1055.012 Process Injection
The PDF was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains a link farm with numerous URLs, many pointing to compromised CMS uploads and disposable hosting, suggesting a phishing or redirection scheme. The document body is heavily obfuscated and unreadable, preventing a more detailed analysis of its specific lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9835
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 http://dentherapia.hu/files/file/tekukigozode.pdf In PDF document text
- https://totalyoumovement.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607c8604390d2---xikirira.pdfIn PDF document text
- https://tehnol.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160795fd93e575---31213800268.pdfIn PDF document text
- http://www.sunarpazarlama.com/wp-content/plugins/super-forms/uploads/php/files/o47psnai55abngullcjbicke42/66022726376.pdfIn PDF document text
- http://learnazia.com/fck/imagesfile/mefulasawexafixi.pdfIn PDF document text
- https://www.alertgy.com/wp-content/plugins/super-forms/uploads/php/files/5164743526678504dccc738f5db752e8/39417354305.pdfIn PDF document text
- https://somogyplusz.hu/files/juzurepafasisimitasoni.pdfIn PDF document text
- http://kath-kiga-bw.de/bilder/berichte/file/41376048143.pdfIn PDF document text
- http://debandhelder.nl/ckfinder/userfiles/files/93467184248.pdfIn PDF document text
- https://kodeac.com/wp-content/plugins/super-forms/uploads/php/files/iie9hv283ua8n4gee2ba0eaua1/jogoxanu.pdfIn PDF document text
- http://citywideok.com/clients/75789/File/tifatiduxutaxolifum.pdfIn PDF document text
- http://www.x454.com/wp-content/plugins/super-forms/uploads/php/files/ugrpplqcc3gt3p2rtmq2plma80/mologakapi.pdfIn PDF document text
- http://poorclarescork.ie/images/mowaropanojafimavo.pdfIn PDF document text
- http://melissajacksonmd.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608cd07c0743a---fotivovejeve.pdfIn PDF document text
- https://euro-m.si/web/dokumenti/file/juniragukozuridew.pdfIn PDF document text
- http://unseenadventure.com/userfiles/file/tixurapimasafisasutix.pdfIn PDF document text
- https://autotrilogy.com/wp-content/plugins/super-forms/uploads/php/files/5aea29c0331d725478e2fd45e0a958d8/55697220536.pdfIn PDF document text
- https://foundryindia.org/userfiles/file/17929812050.pdfIn PDF document text
- https://daiichigroup.net/uploads/news_file/65770859847.pdfIn PDF document text
- http://www.esthemed.ch/wp-content/plugins/formcraft/file-upload/server/content/files/1608c9c2829a92---vujapoxapamakusob.pdfIn PDF document text
- http://smartcookieacademy.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b21967b4b59---vizoguwe.pdfIn PDF document text
- http://constructionone.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1609865ee2ca2a---pasitosiwaxugapedele.pdfIn PDF document text
- https://www.kiakaha.gr/wp-content/plugins/super-forms/uploads/php/files/5aa86jh0gr0piuqgqfv36hpl79/82633172485.pdfIn PDF document text
- https://www.reliancecareuk.com/wp-content/plugins/super-forms/uploads/php/files/0874e1c1f7c66e8130586c45819015a5/mitemusilixiwogeranaku.pdfIn PDF document text
- https://www.eecpowerindia.com/codelibrary/ckeditor/ckfinder/userfiles/files/84307587727.pdfIn PDF document text
- http://speckrepeg.by/UserFiles/files/disuwowaruto.pdfIn PDF document text
- http://leasingtowers.com/ckfinder/userfiles/files/67616020939.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/Om9ozkHLxGw/uplcv?utm_term=mmse+test+pdfPDF 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_off0000ebd2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEBD2 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off000103e4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x103E4 | 19596 bytes |
SHA-256: 1ab1cb8390f645eb56d1a6ddbd9992bdf49bf08f14553f36ef0ec7d9437595d7 |
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font_02_sfnt_off00013724.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13724 | 10028 bytes |
SHA-256: e708db33451ee8b2e834f3f12d170a734c5eb9f6c1ea6961b34cf9bec6fb7acb |
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