MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by multiple heuristics as malicious, including a critical ClamAV detection and an ML classifier indicating a high probability of maliciousness. It contains numerous embedded URLs pointing to compromised CMS uploads and disposable hosting, suggesting a link farm designed to redirect users to malicious sites. The presence of these links and the overall structure strongly indicate a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9960
Heuristics 6
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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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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://synerhu.ru/uplcv?utm_term=get+better+at+small+talk PDF link annotation
- https://www.advids.io/wp-content/plugins/formcraft/file-upload/server/content/files/160a2f727ad801---famarabosiruno.pdfIn PDF document text
- https://www.financedeclined.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1608e8b2769be0---25121208747.pdfIn PDF document text
- https://www.chartsunlimited.com.ph/wp-content/plugins/formcraft/file-upload/server/content/files/160c9dc1124102---14646201153.pdfIn PDF document text
- https://htfcompact.com/wp-content/plugins/super-forms/uploads/php/files/71bb9f8690eee7f61062f361914c1a13/radelexigivanaxor.pdfIn PDF document text
- http://alphasigmaoverseas.com/userfiles/file/47512881025.pdfIn PDF document text
- https://aedwea.com/upload/foto/93912156230.pdfIn PDF document text
- https://hanyauntuktesting.com/contents//files/rewubusofubi.pdfIn PDF document text
- http://www.belladermeestetica.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1609234d9181de---rajujopo.pdfIn PDF document text
- http://fhs76reunion.com/clients/0/00/009202203981f132fd14d012a57c0fe5/File/9347128586.pdfIn PDF document text
- http://www.ambredore.com/wp-content/plugins/formcraft/file-upload/server/content/files/16098b406bf5a9---90553125270.pdfIn PDF document text
- https://www.gsccn.it/wp-content/plugins/formcraft/file-upload/server/content/files/160a3a8c4909bd---xovetoxivejemudaviwoxoto.pdfIn PDF document text
- https://webvitamin.vn/app/webroot/uploads/files/53627018620.pdfIn PDF document text
- https://ambient-interier.cz/files/files/wewedilapedubuzixi.pdfIn PDF document text
- http://novosib-sport.ru/ckfinder/userfiles/files/jugotev.pdfIn PDF document text
- https://nowackleverkusen.de/wp-content/plugins/formcraft/file-upload/server/content/files/1609f8313b201a---338250681.pdfIn PDF document text
- https://digidatadecolombia.com/wp-content/plugins/super-forms/uploads/php/files/dbc12d8960169dabdef6352c5b332940/75747297402.pdfIn PDF document text
- https://www.cibaospalaser.com/wp-content/plugins/super-forms/uploads/php/files/ap3d9ds1uqdv0bovcc88k2tm7k/voxoporapamidak.pdfIn PDF document text
- http://crmloccitanecr.com/campannas/file/61472877233.pdfIn PDF document text
- https://amesmedicalservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607054b746f30---53318702976.pdfIn PDF document text
- http://www.fsnn.se/wp-content/plugins/formcraft/file-upload/server/content/files/160b8aad3b9128---1442669229.pdfIn PDF document text
- http://hurtmar.pl/Upload/file/sudasenosupojuxog.pdfIn PDF document text
- https://selectwifi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160927ee31cb10---vimiradanigusigubezak.pdfIn PDF document text
- http://itkaufmann.com/images/fckimages/file/mevagob.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_off0000db9c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDB9C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f3b3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF3B3 | 10224 bytes |
SHA-256: 3da12eefc713fd5534001f64de4ce20f6cbc4eea6b7a06de0f4c845d019efdf1 |
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font_02_sfnt_off00010abe.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10ABE | 16476 bytes |
SHA-256: 5aaf255b15decaf0d0095a98d45ca4ceeb4f30e9b610c416c9c7d1878b592340 |
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