MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains embedded JavaScript and a significant number of external URIs, many hosted on compromised WordPress sites or disposable domains, indicating a phishing or malware distribution attempt. The ClamAV detection and ML classifier strongly suggest malicious intent, likely to trick users into downloading a second-stage payload or visiting a malicious site. The embedded JavaScript is likely responsible for initiating the download or redirect.
Machine Learning
- Nyx PDF Classifier malicious score 0.9950
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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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://garglob.ru/uplcv?utm_term=nfs+no+limits+offline+mod+apk PDF link annotation
- http://pharmorgsyn.com/upload/files/95593198035.pdfIn PDF document text
- http://www.masozilina.sk/ckfinder/userfiles/files/vofalikejunujuvu.pdfIn PDF document text
- https://reaga.net/js/ckfinder/userfiles/files/10298228535.pdfIn PDF document text
- https://euronuts2009.ge/files/files/valavovapukovumesotilimi.pdfIn PDF document text
- https://sca-eagleegg5k.com/ckfinder/triplebuserfiles/file/91679332027.pdfIn PDF document text
- http://associatedreclaimed.reclaimedoils.com/userfiles/files/denipulexitadomenu.pdfIn PDF document text
- http://chataphan.com/file_media/file_image/file/dutigasuputiwuduza.pdfIn PDF document text
- https://pre-www.bridge-college.com/uploaded/ckeditor/files/44064307690.pdfIn PDF document text
- http://misr-consult.com/userfiles/file/rugurazasejozekave.pdfIn PDF document text
- http://yokohama-model.com/userfiles/files/22599805665.pdfIn PDF document text
- https://www.adler-leitishofen.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613a408abf43b---mesuk.pdfIn PDF document text
- http://instant-image.net/UserFiles/Site/File/96975670595.pdfIn PDF document text
- https://magatek.com/documents/file/11475717560.pdfIn PDF document text
- http://snailgame.ru/upload/files/20210919185922.pdfIn PDF document text
- http://kotrackusa.com/fckedit_file/file///20210910_15_3_9.pdfIn PDF document text
- https://xn-----6kcabagcgfjsxjciriy6alkh6a7aqk.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/4cc966527af4569ef725c95badeedeb1/naroroxema.pdfIn PDF document text
- http://tutaylamhet.com/storage/ckfinder/files/7350181300.pdfIn PDF document text
- https://www.aaptuk.org/ckfinder/userfiles/files/jemaruwuvetikorebixef.pdfIn PDF document text
- http://firesecurity.sk/userfiles/file/terapekon.pdfIn PDF document text
- http://fajni3333.fun4two.pl/uploads/assets/file/pupopipapizu.pdfIn PDF document text
- http://systempro.kr/userData/board/file/suderufitezofimavide.pdfIn PDF document text
- http://lisahyatthealth.com/wp-content/plugins/formcraft/file-upload/server/content/files/161350c11a22ec---19798047712.pdfIn PDF document text
- https://web-sila.ru/wp-content/plugins/super-forms/uploads/php/files/f0d2d92bfe2523869b774d5c6070986b/jubodebepawek.pdfIn PDF document text
- https://anandamsanyal.com/userfiles/file/nuxanozajuturewupe.pdfIn PDF document text
- https://majubesar.com/contents/files/wudowuz.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_off0000b0fd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB0FD | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000c90f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC90F | 14260 bytes |
SHA-256: ffb1708f8d69a5a09ddb69f04a994c88ad6da1e2c62394cc192b063e0dee626d |
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font_02_sfnt_off0000ec84.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC84 | 10628 bytes |
SHA-256: 8c900c3f9f1c9c6807a8945221cc361448771e2a3e75907972c534fc63cfe175 |
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