MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains embedded JavaScript and a large number of external URIs, many of which are hosted on compromised or disposable domains, indicating a phishing or malware distribution attempt. The ClamAV detection and ML classifier strongly suggest malicious intent, likely involving exploitation of PDF vulnerabilities to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9990
Heuristics 7
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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 http://k-yoga.org/file_upload/spaw_upload/file/20210515193625.pdf
- http://auto4-spb.ru/public/images/ckfinder/files/80737219303.pdf
- https://jordan.si/dokumenti/file/37841831048.pdf
- https://hpsoft.shop/upload/files/niravafevixunoparipu.pdf
- https://wpsqld.com.au/wp-content/plugins/super-forms/uploads/php/files/3f54acbe2eb9aaec375ad7d73342bcbd/7178104038.pdf
- http://sgpeo.pl/users//file/54847720503.pdf
- https://kayakbranson.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aed7ecd0055---99856183027.pdf
- https://veritiesinstitute.com/wp-content/plugins/super-forms/uploads/php/files/d99a65f5804facf02e0d7b3cbcb318cb/vuxozapinitusebewopa.pdf
- https://udachi.co.th/wp-content/plugins/super-forms/uploads/php/files/qiujkhoilgboeksshdfm01n9sg/roxarilumudizanomolel.pdf
- https://ev-owners.jp/userfiles//files/borapekurixazelogarebit.pdf
- https://www.areatransfers.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b2d2828b9cd---bezajave.pdf
- https://birgatour.mn/js/ckfinder/userfiles/files/mumiwaxil.pdf
- http://glovimex.com/uploads/ckfinder/files/sogagunipugawovuretidofud.pdf
- https://warungmimpishio2.com/contents//files/wixulolerag.pdf
- http://peoplefoster.com/pliki/1234141185.pdf
- http://sakaryakasaplarodasi.org/userfiles/file/danide.pdf
- https://www.acptechnologies.com/wp-content/plugins/formcraft/file-upload/server/content/files/160845efa3d9a9---xijitoxafi.pdf
- http://100gastro.cz/soubory/files/tikosobi.pdf
- http://dobrejaja.com/Upload/file/sarokatunuzo.pdf
- http://propellerclubsandiego.org/uploads/files/74141081881.pdf
- https://citronixdeflection.com/nbloom/fckuploads/file/majisarawa.pdf
- https://amartzon.store/wp-content/plugins/super-forms/uploads/php/files/924cea5b53e3a713dd725780ff53132d/zabedodedase.pdf
- https://www.synergyheart2heart.team/wp-content/plugins/super-forms/uploads/php/files/vlg4o095dcqdpistmdbk7acenk/97712331937.pdf
- http://ophtalmic-overnight.fr/wp-content/plugins/formcraft/file-upload/server/content/files/16078fdfeb3a2a---zupur.pdf
- https://www.dyna-tech.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1610ece42625c9---kunutolubekigagugafi.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/cv9VXjIrmdE/uplcv?utm_term=tabla+de+conversiones+de+unidades+del+sistema+metrico+decimal
- 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_off0000e713.bin86ef47ca0cf07d8286c970ee519043587391b6b2d8516d79fc1fa6d2085b1601 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE713 | 17984 bytes |
font_01_sfnt_off000114de.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x114DE | 16792 bytes |
font_02_sfnt_off00012cf5.binf4672cec48a86c90ef0034088d77ed1e65b9fd4287a3d10d7307edb9a3c5c80d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12CF5 | 10800 bytes |
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