MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous embedded URLs pointing to compromised websites, suggesting it functions as a link farm to lure users to potentially malicious content. The presence of multiple external URI heuristics and link farm indicators reinforces this assessment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9986
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=swain+live+wallpaper PDF link annotation
- https://abyway.lv/images/ck_images/files/zuvufamipugijedurofa.pdfIn PDF document text
- https://shastriratanchatterjee.com/ckfinder/userfiles/files/gunamojos.pdfIn PDF document text
- https://maggies-handmade.com/UserFiles/files/zefin.pdfIn PDF document text
- http://subventionsbetrug.de/wp-content/plugins/super-forms/uploads/php/files/lg6gd107un82o13bo0tr025fia/kinatumoj.pdfIn PDF document text
- http://madveras.com/ckfinder/userfiles/files/zeketulujumuvobipan.pdfIn PDF document text
- https://vegastel.eu/components/com_mijoshop/opencart/image/data/files/9928663347.pdfIn PDF document text
- http://kipia-nn.ru/userfiles/file/79579795262.pdfIn PDF document text
- http://cambridgekapurthala.com/damana/userfiles/file/sadapij.pdfIn PDF document text
- http://zeci.nl/im/image/sujajewuwozifulikele.pdfIn PDF document text
- https://bahispesinde.com/gnc/veri/_files/gevufozopikag.pdfIn PDF document text
- https://pabausa.org/wp-content/plugins/formcraft/file-upload/server/content/files/1613e07a429a68---jajabojunom.pdfIn PDF document text
- http://cukiernia.eu/upload/files/kumilibonomug.pdfIn PDF document text
- https://macleanpinesdrivingschool.com.au/wp-content/plugins/super-forms/uploads/php/files/9c9d1dd12eefd40c11d176db56f58f01/76411215738.pdfIn PDF document text
- https://www.funes.gob.ar/ckfinder/userfiles/files/10193257090.pdfIn PDF document text
- http://archetipoingegneria.it/userfiles/files/16333962051.pdfIn PDF document text
- http://wonsakai.com/uploads/files/15399351211.pdfIn PDF document text
- https://suacuachuyennghiep.com/uploads/files/xiveguwudulaz.pdfIn PDF document text
- https://www.medipratik.com/wp-content/plugins/formcraft/file-upload/server/content/files/161361129124ac---42385227954.pdfIn PDF document text
- http://qdxqw.com/uploadfile/file/63807494127.pdfIn PDF document text
- http://juentai.com/userfiles/files/pamufavimumoketuvuxisese.pdfIn PDF document text
- http://tekizolasyon.com/ckfinder/userfiles/files/bewijo.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_off0000b295.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB295 | 10088 bytes |
SHA-256: 5b79837e92f644ef71bf86e4f9f0ecea5f5408f3908c13450fc3d08784e047ad |
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font_01_sfnt_off0000c92a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC92A | 16332 bytes |
SHA-256: 1497c8ff6cf492b63d3b05b5484ef7d95e80cdc54cb90d90e8b71ef1878e4fa6 |
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font_02_sfnt_off0000f338.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF338 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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