MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous external links, many pointing to compromised WordPress sites and disposable hosting, suggesting a link farm designed to redirect users to malicious content. The presence of a 'download button' heuristic further supports a lure-based attack. ClamAV detection and ML classification confirm the malicious nature of the file, likely used for phishing or distributing malware.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
Heuristics 7
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://nomylo.ru/uplcv?utm_term=internet+download+manager+6.38+patch PDF link annotation
- http://altaprecision.com/userfiles/file/65104276929.pdfIn PDF document text
- https://www.inkfactory.pk/wp-content/plugins/formcraft/file-upload/server/content/files/1612f6046741e8---29939698974.pdfIn PDF document text
- http://f1-rennsimulatoren.de/userfiles/file/49446677330.pdfIn PDF document text
- https://alenakovalchuk.ru/wp-content/plugins/super-forms/uploads/php/files/21a1bc057e15eccbc62f28c05a4356b3/gatanaretawotavotawaxazof.pdfIn PDF document text
- https://greenfuturevietnam.com/Upload/files/zofugawadaxab.pdfIn PDF document text
- https://k-kompany.ru/wp-content/plugins/super-forms/uploads/php/files/30579fdbe0d85c30ae2a0c90b284f73e/43530553461.pdfIn PDF document text
- http://studiodispirito.it/userfiles/file/lanemab.pdfIn PDF document text
- https://alenakovalchuk.ru/wp-content/plugins/super-forms/uploads/php/files/8fe60d547ee2803744048f4e38730359/44238398683.pdfIn PDF document text
- http://ecohort.com/userfiles/files/26416882208.pdfIn PDF document text
- https://okazionche.com/files/20657143979.pdfIn PDF document text
- http://studio-castiglioni.com/userfiles/files/jamamepaxiwigudanogazokez.pdfIn PDF document text
- http://119pump.net/d/files/4690600171.pdfIn PDF document text
- http://haisushitogo.com/uploads/files/75690772460.pdfIn PDF document text
- http://eros-arena.name/eros/userfiles/file/7943795050.pdfIn PDF document text
- http://oroblupiscine.it/userfiles/files/patuvutusawadijimisum.pdfIn PDF document text
- http://samuiluxurytravel.com/Uploads/file/dapixamomupodolakewa.pdfIn PDF document text
- http://share-world.tw/userfiles/file/40829768843.pdfIn PDF document text
- https://hefcom-hydraulics.com/ckfinder/userfiles/files/samupotopo.pdfIn PDF document text
- http://k-sta.kr/FileData/ckfinder/files/20210908_FFC3D11527E43580.pdfIn PDF document text
- http://windowsplusllc.com/ckfinder/userfiles/files/tawikovokexaviwoj.pdfIn PDF document text
- http://levant-tekstil.com/other_files/File/8837088468.pdfIn PDF document text
- http://uyaviation.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612efad845e7a---vuxusurifosevi.pdfIn PDF document text
- http://ychnjl.net/userfiles/files/wejepixufipinabawajatu.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_off0000e519.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE519 | 17712 bytes |
SHA-256: aa557e5c2ee7c2ed40e72caa75b548fe4ca75d8ed43d133fbb950175bac036e3 |
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font_01_sfnt_off0001131d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1131D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00012b34.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12B34 | 11352 bytes |
SHA-256: d27832e1fe343812acf313600aa7ba70e3d5fe5176aa8bb2f29255aa5732bb89 |
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