MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. Heuristics indicate it functions as a link farm, directing users to multiple external URLs, some hosted on compromised CMS uploads. The presence of numerous URLs, including one with a UTM term, suggests an attempt to lure users to potentially malicious sites for phishing or further payload delivery.
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://irlanc.ru/uplcv?utm_term=is+3+a+prime+or+composite+number PDF link annotation
- http://abwcrainhwy.com/uploads/files/37067274743.pdfIn PDF document text
- https://aluminiosarla.com/userfiles_arla/files/paniwovimazelugar.pdfIn PDF document text
- https://bringem.de/wp-content/plugins/super-forms/uploads/php/files/b89255df470b081e3b0da7069914ea53/filomikikulurirovebara.pdfIn PDF document text
- http://wittymall.com/multimedia/userfiles/file/tudijobe.pdfIn PDF document text
- http://acetuitioncentre.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1613141d4eec8a---xemorim.pdfIn PDF document text
- https://valstybestarnyba.com/upckfinder/files/kumimazoturewubegakebejuv.pdfIn PDF document text
- https://aviatroglo.fr/IMG/file/xelaxugewal.pdfIn PDF document text
- https://alaskaproauto.net/nbloom/fckuploads/file/mewelubu.pdfIn PDF document text
- https://uleshuzatabc.hu/files/file/86438361031.pdfIn PDF document text
- http://youandisagenix.com/ckfinder/userfiles/files/3516796328.pdfIn PDF document text
- http://jaluzipro.ru/public/userfiles/file/punavegogoxikenemozupo.pdfIn PDF document text
- http://orthodoxnews.us/file/ralilavalagufipas.pdfIn PDF document text
- http://lichnyiybrand.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1613998033d62e---91388300126.pdfIn PDF document text
- https://www.americanapi.com/wp-content/plugins/formcraft/file-upload/server/content/files/161391a64ad2f8---moxopoluvuveno.pdfIn PDF document text
- http://www.loockuniformes.com.br/home/wp-content/plugins/formcraft/file-upload/server/content/files/161368dcb7f85e---tizukunumasevos.pdfIn PDF document text
- https://jahanchart.ir/data/files/file/zanogekajubikazo.pdfIn PDF document text
- https://torrentclub.vip/wp-content/plugins/super-forms/uploads/php/files/fii0nc1vrbi4eiaslf4fkbtiuo/lopedukuvanun.pdfIn PDF document text
- http://royalwedding.jp/images/blog/file/22470880927.pdfIn PDF document text
- https://www.lamuccacompany.com/wp-content/plugins/super-forms/uploads/php/files/d93b4b50282974c98c4e4012f2208f2e/51099480842.pdfIn PDF document text
- http://shriadinathbank.com/uploads/3045830518.pdfIn PDF document text
- http://borisovhlebprom.by/var/upload/file/99776051016.pdfIn PDF document text
- http://krakowska98.com/zdjecia/fck/file/bezuwij.pdfIn PDF document text
- http://www.telsercom.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612f8eb8b95ca---dezuxuko.pdfIn PDF document text
- http://mecateengenharia.com.br/ckfinder/userfiles/files/75638750227.pdfIn PDF document text
- http://ptaki.info/imgekoprojekty/files/xosigimotigukomipefogaj.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_off0000c285.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC285 | 10852 bytes |
SHA-256: 779a313f12773dfac76d4634a72cbcc81ead2b48b782d72a4fa209db31a5ed76 |
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font_01_sfnt_off0000db66.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDB66 | 16792 bytes |
SHA-256: 3b03f3c80a6b9035494eb80a8f5422e0c21d39d015877e9e4de93de98be9eb66 |
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font_02_sfnt_off000106a4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x106A4 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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