MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as a malicious PDF by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics indicate it functions as a link farm, directing users to multiple potentially compromised or disposable hosting sites, likely for phishing or malware distribution. The presence of external URIs and a link farm structure strongly suggests a phishing or credential harvesting attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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://coretry.ru/uplcv?utm_term=download+dnd+books PDF link annotation
- http://qiangka.com/ckfinder/userfiles/files/fikazazipunopesiz.pdfIn PDF document text
- http://xn----8sbnbd9chja.xn--p1ai/userfiles/file/bumefagatopiterudigez.pdfIn PDF document text
- http://sunwisechem.com/Uploadfiles/files/4270469487.pdfIn PDF document text
- http://www.caribbeandentist.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613e6e0481eda---69907223870.pdfIn PDF document text
- http://axwelindia.com/uploads/rutajareraten.pdfIn PDF document text
- https://ksmt.edu.np/assets/ckfinder/userfiles/files/57601385420.pdfIn PDF document text
- http://7sate.com/filespath/files/20210905191358.pdfIn PDF document text
- http://hamdannepal.com/userfiles/file/92246451343.pdfIn PDF document text
- http://fqcycpa.com/jingkelun/userfiles/files/20210905152422.pdfIn PDF document text
- http://chaukitchen.com/uploads/files/jajenuxe.pdfIn PDF document text
- http://www.hermosabeachbungalows.com/userfiles/files/mifiribajo.pdfIn PDF document text
- http://dreiseengrundschule.de/files/249203167.pdfIn PDF document text
- http://duoctruongxuan.vn/userfiles/image/file/18123940422.pdfIn PDF document text
- http://poexali.org/static/image/_u/system/files/66493355344.pdfIn PDF document text
- http://arcstema.com/userfiles/files/34315452749.pdfIn PDF document text
- http://massimosusto.eu/userfiles/files/39183671185.pdfIn PDF document text
- https://showdetango.com/bafa/userfiles/file/71215513022.pdfIn PDF document text
- http://z-him.ru/userfiles/file/pemuxeririkadozo.pdfIn PDF document text
- https://maychieuvinh.vn/upload/files/fitebiwili.pdfIn PDF document text
- https://matrainagycsalados.hu/userfiles/file/naduma.pdfIn PDF document text
- http://guowangcable.com/d/files/63967411043.pdfIn PDF document text
- http://trungtinjsc.vn/upload/FCK/file/lajumibut.pdfIn PDF document text
- https://popa.com.br/wp-content/plugins/super-forms/uploads/php/files/d6a7f6aeed7d1e24e07f59fa5e3be6e1/janew.pdfIn PDF document text
- http://inlikeflintlogistics.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613d38e07a50e---dadovafasudosokiruziku.pdfIn PDF document text
- http://stin-verdon.fr/assets/Image/files/tuxidapopirabifulu.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_off0000ec50.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC50 | 10140 bytes |
SHA-256: 8d3820457f7404430d5a185a4136bb604624d0973a6ed732ddaf60f0811d6e59 |
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font_01_sfnt_off0001031f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1031F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011b31.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11B31 | 18088 bytes |
SHA-256: c5847dcfdb9f8abbeb27490b38d0d277df45b4513bf369cac0d3effbdaf76e84 |
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