MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs, many of which point to compromised WordPress sites or disposable hosting, indicating a link farm designed to lure users to malicious destinations. The ML classifier and ClamAV detection strongly suggest malicious intent, likely phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9964
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=do+i+have+to+fill+out+deductions+and+adjustments+worksheet PDF link annotation
- http://ip-golubev.ru/ckfinder/userfiles/files/47028001410.pdfIn PDF document text
- https://polaria.cz/images/file/vixidovikomuno.pdfIn PDF document text
- https://glycocalyx.nl/userfiles/image/file/noduzebujujuveli.pdfIn PDF document text
- http://malabarisproducoes.com/arquivos/files/pixizobigu.pdfIn PDF document text
- https://travels-ukraine.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bba76bae203---vanulafopab.pdfIn PDF document text
- https://farmacieitaliane.com/documenti/file/luzapasemutok.pdfIn PDF document text
- http://www.franklinwebdesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/160747f0518a11---96606212310.pdfIn PDF document text
- http://maturitni-ples.eu/UserFiles/File/ximuriz.pdfIn PDF document text
- https://profipreklady.cz/www/ckfinder/userfiles/files/bapasiduloxeboxefat.pdfIn PDF document text
- http://www.pranabkumar.com/fckimages/file/sibodazeji.pdfIn PDF document text
- https://kermanrooz.com/img/files/53058985112.pdfIn PDF document text
- https://dehaventransportation.com/home/de/public_html/ckfinder/userfiles/files/bapagaretit.pdfIn PDF document text
- http://maidnheaven.com/wp-content/plugins/formcraft/file-upload/server/content/files/16081d3bc2dbd7---wezixepibi.pdfIn PDF document text
- http://ahsaipu.com/v15/Upload/file/2021514543587882.pdfIn PDF document text
- https://estidevelopers.com/wp-content/plugins/super-forms/uploads/php/files/0767781a4bf66ace24e61be0545c09f2/69890289316.pdfIn PDF document text
- http://skolicka.eu/foto/images/file/73766578625.pdfIn PDF document text
- https://www.die-umzugsfabrik.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bb64de0a1de---12180406058.pdfIn PDF document text
- http://tecsun-moscow.ru/docs/file/padegeno.pdfIn PDF document text
- http://www.ibadirect.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b26de6337d9---xakisatulisosixe.pdfIn PDF document text
- http://omonetach.pl/foto/ilustracje/file/44772923437.pdfIn PDF document text
- https://n95america.com/wp-content/plugins/super-forms/uploads/php/files/efeb2504b61e6c83ee2855e1211542c1/29593281858.pdfIn PDF document text
- http://techbis.pl/files/file/zavuruzifopomu.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_off0000e1f3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE1F3 | 11216 bytes |
SHA-256: bd28c4cfff8a574f7716b2054cdbdcfd626ff4d7eb5089ce3a45c4944e1e5c20 |
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font_01_sfnt_off0000fc0a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFC0A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001141c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1141C | 17232 bytes |
SHA-256: 903fe63dcff6acd101fafae7066a9fa297fa1f0734c6eac8f88265459f583512 |
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