MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous external links, many hosted on compromised CMS platforms or disposable domains, suggesting a link farm designed to redirect users to malicious sites. The presence of these links and the overall PDF structure point towards a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9965
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://philabc.ru/uplcv?utm_term=online+simulation+games+pc PDF link annotation
- http://travelport.pl/userfiles/file/3693240207.pdfIn PDF document text
- https://iphone-odklep.si/vsebina/lerututijagajakolaxu.pdfIn PDF document text
- http://fourfoods.com/images/files/31929053160.pdfIn PDF document text
- http://jfac.kr/ckfinder/userfiles/files/kitelaj.pdfIn PDF document text
- http://oguraclutch.cn/uploadfile/files/rulugiranifovanetudijeweg.pdfIn PDF document text
- https://swotin.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612e9ad027c66---rofapiziraramir.pdfIn PDF document text
- https://flavio-tonon.it/public/file/65198733624.pdfIn PDF document text
- https://senzedigicraft.com/wp-content/plugins/super-forms/uploads/php/files/f7d5fcbd27535740b53d414bb0c35478/bojuxewidexotek.pdfIn PDF document text
- http://jnejendomsdrift.dk/userfiles/file/nefudujeb.pdfIn PDF document text
- https://enville.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613d8560b94fd---65800248313.pdfIn PDF document text
- http://sin-hua.org/userfiles/nozuwefajekisesex.pdfIn PDF document text
- http://letsfinal.com/userfiles/file/jazinusobolefi.pdfIn PDF document text
- https://privatecambodiatour.com/userfiles/file/28429706392.pdfIn PDF document text
- http://grandviewgroupresort.com/upload/files/sepozajod.pdfIn PDF document text
- https://yoimart.com/upload/file/20210911111841.pdfIn PDF document text
- http://recviem.ru/img/upload/94342571431.pdfIn PDF document text
- http://balalajka.nu/media/jenufifadijaxozirunizaze.pdfIn PDF document text
- http://veganogle.es/uploads/ckfinder/files/92967087378.pdfIn PDF document text
- https://binarbaidfabrication.com/public_html/userfiles/file/putajexoxebejirebijole.pdfIn PDF document text
- http://mobil-tech.com/files/62904194582.pdfIn PDF document text
- https://flour.co.uk/ckfinder/userfiles/files/36099550582.pdfIn PDF document text
- https://otdelkamos.ru/wp-content/plugins/super-forms/uploads/php/files/b83fb403d53247ce137b7001c6112d62/merakiluwimesadejetezaw.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_off0000adb2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xADB2 | 15604 bytes |
SHA-256: efccaba05c176310c9fbe5e2fba03c43e7e3c57f64ab8a30a1086d5fc048813c |
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font_01_sfnt_off0000d51f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD51F | 10744 bytes |
SHA-256: 9be371035c5cec695586df3c39807a7890feebe6d366a30db63eda3ac61b1899 |
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font_02_sfnt_off0000eddf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEDDF | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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