MALICIOUS
176
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF is identified as malicious by ML classifiers and ClamAV, and exhibits characteristics of a phishing lure. It contains numerous links to external domains, many of which are hosted on compromised CMS upload storage or appear to be part of a link farm on disposable hosting. The document body is heavily obfuscated, suggesting an attempt to hide its true nature, and the presence of embedded URLs points towards a redirection mechanism.
Machine Learning
- Nyx PDF Classifier malicious score 0.9954
Heuristics 7
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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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Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LUREPDF has 1 image(s), only 0 text block(s), carries a click-outward action, and is only 69 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
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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://firegallery.ru/img/upload/59764341887.pdf In PDF document text
- http://naturpix.ch/cmsimages/file/ladunapimawuwuxonuka.pdfIn PDF document text
- https://tybistanbul.org/resimler/files/mujibeja.pdfIn PDF document text
- http://ambvetbrashersclavoghisu.eu/userfiles/files/21361931360.pdfIn PDF document text
- http://sabancilojistik.com/userfiles/file/88549812288.pdfIn PDF document text
- http://kino-cosmik.ru/sadm_files/45111425079.pdfIn PDF document text
- https://i-intelli.com/ckfinder/userfiles/files/45249000806.pdfIn PDF document text
- http://bluecreator.biz/ckfinder/userfiles/files/80684470865.pdfIn PDF document text
- https://jamisonfurnace.ca/userfiles/files/divalemawaxopepafozuk.pdfIn PDF document text
- https://www.auto-ecole-rive-droite.fr/ckfinder/userfiles/files/24174981696.pdfIn PDF document text
- https://mobile-translator.eu/app/webroot/media/files/92090852667.pdfIn PDF document text
- http://ntvietnga.com/upload/files/rogosi.pdfIn PDF document text
- http://yuseigachi.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16150d764c0cda---nowaxikijikadidupu.pdfIn PDF document text
- http://slesnick.net/userfiles/files/84667895442.pdfIn PDF document text
- https://ateneoarbonaida.com/wp-content/plugins/formcraft/file-upload/server/content/files/161372c0014ada---81599722594.pdfIn PDF document text
- http://itcbeautytrainingschool.com/userfiles/file/58026325807.pdfIn PDF document text
- https://autotrilogy.com/wp-content/plugins/super-forms/uploads/php/files/a0aad18c4a17cbfad03a363b1f3a42b6/kawalitixatanovexobeli.pdfIn PDF document text
- https://bestmiamiturf.com/wp-content/plugins/super-forms/uploads/php/files/7264cbf11ef541aefb9ec092d1568d2b/xigizikimiliwuludomogokin.pdfIn PDF document text
- https://christianbelieversmatrimony.com/web/christiansbelieversmatrimony/photos/ckeditor/files/wakuzajudepuwumenifuwa.pdfIn PDF document text
- http://vanharteyoga.nl/uploads/files/lolom.pdfIn PDF document text
- http://2990592.ru/ckfinder/userfiles/files/15941195384.pdfIn PDF document text
- http://mim2010.ru/userfiles/file/sedopogu.pdfIn PDF document text
- http://peter-crooks.com/userfiles/file/pamigamovanawilepamunide.pdfIn PDF document text
- https://agrotehholding.ru/wp-content/plugins/super-forms/uploads/php/files/a9deef7f9ac90bf257525ec13aca8d93/58290525800.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/FevRqgeaUVY/uplcv?utm_term=moving+wallpapers+for+windows+7+hd+free+downloadPDF 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_off0000afe9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAFE9 | 10872 bytes |
SHA-256: 505d99a0210270be54c26a59795f71669545eb36ba0263d26ed25cfacd42fb14 |
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font_01_sfnt_off0000c8e3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC8E3 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000e0f5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE0F5 | 14372 bytes |
SHA-256: 348bad55e24802e145bbb82deb35a45355760f98ed6fff223ea9b74f84a790b0 |
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