MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by multiple heuristics as malicious, including a high-severity PDF_RANDOM_URL_LINK and ML_NYX_PDF_MALICIOUS. It contains numerous links to external websites, many of which are hosted on compromised CMS platforms or disposable domains, suggesting a link farm designed to redirect users to malicious content. The ClamAV detection further confirms its malicious nature, identifying it as Pdf.Phishing.Trojan.
Machine Learning
- Nyx PDF Classifier malicious score 0.9960
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 to algorithmically-generated URL high PDF_RANDOM_URL_LINKPDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
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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 http://nowator-zpu.pl/userfiles/file/topibimuwenimox.pdf
- https://k-kompany.ru/wp-content/plugins/super-forms/uploads/php/files/6ba6113501034d9375a28540dc444f92/47745674981.pdf
- http://xn--b1ahhafccpgkb2bxo.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/aa43534deffaa68e2ea63d9619b7c893/wobakovazesulewati.pdf
- http://sahamit.net/userfiles/file/jexoxatodulinesazus.pdf
- https://zzarosiscarampola.it/file/barodutajalojan.pdf
- http://ural-kip.ru/admin/ckfinder/userfiles/files/59097348294.pdf
- https://agroadvanced.com/app/webroot/newsletters/editor/files/44985601539.pdf
- https://adbetelparaguay.com/wp-content/plugins/super-forms/uploads/php/files/7723b958f4f79963c1ffe88f8ef2372e/wexovujadizapatamopamax.pdf
- http://adhdadvisory.com/wp-content/plugins/formcraft/file-upload/server/content/files/16073c566b1829---53809694028.pdf
- http://xoblates.com/clients/e/e0/e08cfb93fb97b00c28394d0532709dc9/File/22159103381.pdf
- https://optimustelecoms.com/ckfinder/userfiles/files/53223586874.pdf
- https://www.harnoordesigns.com/wp-content/plugins/super-forms/uploads/php/files/e81cpnc1fc0bhl57vsid29l542/43484749882.pdf
- http://w-f-l.de/user_img/file/56336868124.pdf
- https://deepankarbasu.com/FCKeditor/file/70670089862.pdf
- http://www.kissdocs.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160716ac087d6f---64737785923.pdf
- https://festival.bg/fckeditorfiles/file/86058830844.pdf
- https://damsindia.org/admin/uploads/file/folunowelubitew.pdf
- https://theshairpodcast.com/wp-content/plugins/super-forms/uploads/php/files/c05206e2ccd7916cdb8c307fc82448f7/55713731210.pdf
- http://www.atrium-tuiles.com/wp-content/plugins/formcraft/file-upload/server/content/files/160751747d74c3---begeridifeme.pdf
- https://www.peeryhotel.com/wp-content/plugins/super-forms/uploads/php/files/1078f6619e3a7c661c61c7f5e0167bc3/83434494566.pdf
- http://khodahoanglang.com/admin/webroot/upload/image/files/23363874847.pdf
- https://childrencareandliteracysociety.org/userfiles/files/nasavegemiduwupavofunux.pdf
- http://xn--b1ahhafccpgkb2bxo.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/5bc18539b7e2be42dc5bb5954fbd7580/newerenawoledakotaropof.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/6naE_Nh8_CY/uplcv?utm_term=electricity+and+magnetism+study+guide
- 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_off0000dfa7.bindfe5beb84cad4d5a00c6d84436323a3238141e61df9a6a38380af8f61b8b9b6b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDFA7 | 16864 bytes |
font_01_sfnt_off00010bc9.bin235292cccf848ef04e4ed1eca6a9ce90b347a28973c1ce4adab490a0e574479c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10BC9 | 10788 bytes |
font_02_sfnt_off00012467.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12467 | 16792 bytes |
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