MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs that point to compromised WordPress sites and other domains, suggesting a link farm designed to redirect users to malicious content. The presence of these URLs and the overall structure indicate an attempt to exploit users through deceptive links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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://catamma.ru/uplcv?utm_term=zombocalypse+2+unblocked+wtf PDF link annotation
- https://emergent-partners.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a27faf16469---lejadesuxokewomimat.pdfIn PDF document text
- http://erfolgsapp.de/wp-content/plugins/formcraft/file-upload/server/content/files/160833fbc7f0ee---xisuxoj.pdfIn PDF document text
- http://talleresjpg.es/img/file/tomujefozejebazog.pdfIn PDF document text
- https://beautifullifeuk.com/wp-content/plugins/super-forms/uploads/php/files/29d82a90c5bf9bc5740c716d834fdc68/wifoluvewilebidosimene.pdfIn PDF document text
- http://www.belladermeestetica.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1606e407a89ca2---xilupozak.pdfIn PDF document text
- https://bettyloupaints.com/userfiles/files/51321677467.pdfIn PDF document text
- http://chokmanee.com/userfiles/file/47273214926.pdfIn PDF document text
- http://victorylimo1.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f5e0732f0a---nagepefezex.pdfIn PDF document text
- https://ost-fogging.com/upload/files/26870361606.pdfIn PDF document text
- http://stark-tools.ru/images/uploaded/96044965456.pdfIn PDF document text
- https://oknoplus-omsk.ru/wp-content/plugins/super-forms/uploads/php/files/643e5f8419d55d58a1329a28b9b5ae36/73207887786.pdfIn PDF document text
- http://www.gainerwindows.ca/wp-content/plugins/super-forms/uploads/php/files/ilmetkpclemo02i9soq8k34rs2/24243157543.pdfIn PDF document text
- http://hubbardfamilycircle.com/clients/62940/File/xotusaj.pdfIn PDF document text
- https://x-software.cz/data/file/mufupiwunegogod.pdfIn PDF document text
- http://ansonseatery.com/uploads/files/vejinakiv.pdfIn PDF document text
- https://gtselect.fr/ckfinder/userfiles/files/fepetupubalaziro.pdfIn PDF document text
- http://xn--h49al33a2zdp0eo1x.com/DATA/file/20210521030929.pdfIn PDF document text
- http://d4sontario.ca/clients/e/ed/ed023a0734c265ca673a92d1d81de675/File/xegalibotojupepidavekudir.pdfIn PDF document text
- http://donaldnathanlaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/fuguzatajalujuti.pdfIn PDF document text
- https://www.sadcmedia.com/wp-content/plugins/super-forms/uploads/php/files/nncakn1hg3qnvirensisll1rj4/34765767313.pdfIn PDF document text
- http://theonejsc.com/userfiles/file/7457779479.pdfIn PDF document text
- https://www.rath-catering.de/wp-content/plugins/formcraft/file-upload/server/content/files/16085263f5728f---95027917995.pdfIn PDF document text
- https://mytutr.com/wp-content/plugins/super-forms/uploads/php/files/9eaa2de3eb46ba9e8a44bb1aab2bc43e/rimologutixabusivolifuvo.pdfIn PDF document text
- https://drahmetbostanci.com/wp-content/plugins/formcraft/file-upload/server/content/files/16088c6d642a45---766525395.pdfIn PDF document text
- http://olsztyntransportmedyczny.pl/userfiles/file/rotubetukoverudo.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_off0000f310.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF310 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00010b27.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10B27 | 11204 bytes |
SHA-256: 88f3373cbbc6cadb5130c79e1a8e18c72da911cdac94d242750d73e5ca02fd02 |
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font_02_sfnt_off00012562.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12562 | 17172 bytes |
SHA-256: ffeaa9261027222c93f5f24ea48bc0f91dc26c028c76ec821bf5d06a2f5b7fdc |
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