MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF is identified as a malicious screenshot lure, designed to trick users into clicking a link. The document contains numerous links to algorithmically generated URLs hosted on disposable domains, indicating a phishing or malware distribution campaign. The ML classifier strongly flagged this PDF as malicious, supporting the heuristic findings.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
Heuristics 6
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PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINKPDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
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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 66 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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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://drafthe.ru/uplcv?utm_term=all+about+chow+chow PDF link annotation
- https://campermagazine.tv/public/file/xodafulapulumep.pdfIn PDF document text
- http://back2wood.de/userfiles/file/46800948166.pdfIn PDF document text
- https://saglamahsapkutu.com/img/editor/image/file/43144520905.pdfIn PDF document text
- https://iasvn.org/Images_upload/files/nededujajog.pdfIn PDF document text
- https://propiedades.net/ckfinder/userfiles/files/59588583705.pdfIn PDF document text
- http://hainescentreasia.com/images/file/45333134037.pdfIn PDF document text
- http://stagticket.com/fck_upload/file/73967329068.pdfIn PDF document text
- http://gearcon-eng.com/file_media/file_image/file/nozosekuze.pdfIn PDF document text
- https://hr-serdahel.hu/images/file/mafuluseri.pdfIn PDF document text
- https://superiorservicesandsolutionsfl.com/nbloom/fckuploads/file/midegi.pdfIn PDF document text
- http://www.nanodrywash.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614708233a20a---sisegawitabujakiruwo.pdfIn PDF document text
- http://austria-ex.com/images/blog/file/kepalemitezadunasataf.pdfIn PDF document text
- http://testsitehq.com/ckeditor-ckfinder-integration/uploads/files/64275831393.pdfIn PDF document text
- https://ismet.com.br/ckfinder/userfiles/files/31877482847.pdfIn PDF document text
- http://www.szphotar.com/admin/img/files/wolekunoniw.pdfIn PDF document text
- http://atomicattack.com/atomic/fckimages/file/fumuxaziliwotu.pdfIn PDF document text
- http://ncteonline.com/userfiles/file/95093317210.pdfIn PDF document text
- http://edmo-cars.nl/images/file/zegomewavajaxosifimotige.pdfIn PDF document text
- http://tral-kerch.ru/userfiles/file/bivimadovumapivejerukoxe.pdfIn PDF document text
- https://hcs1000.org/wp-content/plugins/super-forms/uploads/php/files/a12cc16d1007523726305a5266c622e6/24887822013.pdfIn PDF document text
- https://epagneuls-bretons.fr/caningest/images/file/gomogefu.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_off0000aa32.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAA32 | 10040 bytes |
SHA-256: 088103405831a53247423bdacdb6c4ebd40b57a036adc67c7f5594ce1e410a40 |
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font_01_sfnt_off0000c0c6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC0C6 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000d8d8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD8D8 | 14404 bytes |
SHA-256: 0add4fd7e3253cb6062ca2ce5d04dfd9b6cd099ed50c250e00c2f09a58612cf5 |
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