MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged as malicious by ML classifiers and ClamAV, indicating a phishing or malware distribution attempt. It contains numerous links, many pointing to compromised WordPress sites and disposable hosting, suggesting a link farm designed to redirect users to malicious content. The presence of external URIs and a link farm on disposable hosting strongly supports a phishing or malware delivery attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9961
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://queure.ru/uplcv?utm_term=professional+pool+players
- https://codecs.ro/images/file/negex.pdf
- https://bindazzled.com.au/wp-content/plugins/super-forms/uploads/php/files/e57160f0987ebe4735a81a2b530346bf/wazijogamolufokaxajamozen.pdf
- https://ahi.com.ua/wp-content/plugins/super-forms/uploads/php/files/0e0327589852985fc1f824ef193ac4f5/tatewezunax.pdf
- https://aprilboya.com/userfiles/file/xolonamuluparimiperodaxo.pdf
- http://www.canadavisaservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/160912614dc753---ditonuxekudopuvivenib.pdf
- https://boumqueur-edition.com/upload/fckeditor/file/xotanupotepejosajisa.pdf
- https://emprenderem.cl/files/wimenifojovolewebog.pdf
- https://www.albispanaderia.com/wp-content/plugins/super-forms/uploads/php/files/1ff26d595748c2d4a95df2ef1b164134/39342807129.pdf
- http://catgarner.com/clients/873270/File/jolis.pdf
- https://webtraffic.ch/wp-content/plugins/super-forms/uploads/php/files/6gkopaqh92c0c3t13ldg8hbam1/2404929134.pdf
- https://beribuket.ru/wp-content/plugins/super-forms/uploads/php/files/a3d3c3a7c3a027362be2a193298a2048/vusosel.pdf
- https://www.azembay.com/wp-content/plugins/super-forms/uploads/php/files/dj2lurqim8lu1qksfkpmgkqles/54210890031.pdf
- http://test.uebersetzungen-nesselberger.de/wp-content/plugins/formcraft/file-upload/server/content/files/1606f332343df9---fabedatiruwomatul.pdf
- http://cbelmira.com/wp-content/plugins/super-forms/uploads/php/files/85ss78o9han0t80rbf6nslk340/91544566274.pdf
- https://urbanlivin.lu/userfiles/files/28288184114.pdf
- https://wrd13.com/force/file/2871726847.pdf
- https://zegabilisim.com/calisma2/files/uploads/vojiwixubepope.pdf
- http://nomorecpapmachine.com/userfiles/files/bopewipetojesevogo.pdf
- https://tucsonhomewindowtint.com/wp-content/plugins/super-forms/uploads/php/files/3274b955bf4ea6cda7d622a17a46e3e2/96322489153.pdf
- https://jclifeschools.org/wp-content/plugins/super-forms/uploads/php/files/3f359d0344437622319282bd703e85d7/97299609466.pdf
- https://www.myjamaicais.com/wp-content/plugins/super-forms/uploads/php/files/48194e97b711f35511b4103c86a75751/gosogurodix.pdf
- http://ne-moloko.ee/wp-content/plugins/super-forms/uploads/php/files/ec964e4623ed2acf15951bd6b02e379c/xijuguzakevanizebugo.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f76f.bin81cb449db769f43cfe62529d8e2a62f444284a7c7fbabb81a63c346b037e3295 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF76F | 10368 bytes |
font_01_sfnt_off00010efa.bin3b639aba9f7cdd3c5f8c8b142437821be4bbb72188f52f53e9e274bfc07f97d1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10EFA | 19044 bytes |
font_02_sfnt_off00013fd0.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13FD0 | 16792 bytes |
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