MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous external links, many pointing to compromised CMS uploads or disposable hosting, suggesting a link farm used for phishing or malware distribution. The PDF structure and embedded URLs are consistent with a phishing lure, likely delivered as a spearphishing attachment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9968
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://archism.ru/uplcv?utm_term=huesos+wormianos+pdf PDF link annotation
- http://files.ibiza-ferien.de/file/8814063131.pdfIn PDF document text
- https://kodeac.com/wp-content/plugins/super-forms/uploads/php/files/6vp3qqcba0jf430vjdedeqlife/30357672279.pdfIn PDF document text
- https://grootformaatspandoeken.nl/userfiles/file/9670270767.pdfIn PDF document text
- http://aarogyamedico.com/userfiles/file/mirikodan.pdfIn PDF document text
- http://lionsmarsala.it/userfiles/files/20202807741.pdfIn PDF document text
- http://www.sunarpazarlama.com/wp-content/plugins/super-forms/uploads/php/files/u68rpoi42avtvqta37q4o187q0/xoruxukobo.pdfIn PDF document text
- http://ekhoron21.mn/uploads/files/ginawodudulasugogu.pdfIn PDF document text
- https://kamhosting.nl/ckfinder/userfiles/files/tepuwidategakanelaxet.pdfIn PDF document text
- http://haustechnik-hagenauer.at/73182852058.pdfIn PDF document text
- https://tbsva.org/Upload/files/20210809135707.pdfIn PDF document text
- https://alexandrapanayotou.com/web/images/static/file/36758483804.pdfIn PDF document text
- https://strechybenesov.cz/content/bulafop.pdfIn PDF document text
- https://godahoian.com/app/webroot/upload/files/sibasirajif.pdfIn PDF document text
- https://ambient-interier.cz/files/files/21307588306.pdfIn PDF document text
- http://kaushalacademy.org/ckfinder/userfiles/files/dafomubefuz.pdfIn PDF document text
- http://ziepniekkalns.lv/wp-content/plugins/formcraft/file-upload/server/content/files/16090f59950a3e---jidiniwiguxo.pdfIn PDF document text
- http://kpotplace.com/uploads/files/pupobivudonupeta.pdfIn PDF document text
- http://canxetaidientu.com/images/file/zowemi.pdfIn PDF document text
- https://dedywiredja.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609781a7f107c---93460846761.pdfIn PDF document text
- https://annjulieskarpmo.com/userfiles/file/fonajutugoninosemepuvugud.pdfIn PDF document text
- https://bizdrive.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1/1612506ef2b410---86180194756.pdfIn PDF document text
- https://www.helpfulhunks.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1613793cf1c019---1126659674.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_off0000caaf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCAAF | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000e2c1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE2C1 | 19192 bytes |
SHA-256: 6fa674369b5b4626dc736f55fabadd794e8dc080315b57cd39615bff2f47dad6 |
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font_02_sfnt_off000113be.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x113BE | 10692 bytes |
SHA-256: 15a9a66837f3b7436490dcbccd3c5ddfc88d416b2e0cbdc21b8dc3c2ad54506a |
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