MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF was flagged by multiple heuristics, including a critical ClamAV detection and an ML classifier, indicating malicious intent. It contains numerous external URIs and is identified as a link farm on disposable hosting, suggesting it's used to redirect users to potentially malicious or phishing websites. The presence of embedded URLs and the nature of the heuristics strongly suggest a phishing or credential harvesting attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
Heuristics 5
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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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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://pistant.ru/uplcv?utm_term=when+is+the+perfect+time+to+get+pregnant PDF link annotation
- https://genegurumiraclehealer.com/userfiles/file/87031313276.pdfIn PDF document text
- http://xn--80aafjbaeihgganggf9ajkncugh2a.xn--p1ai/pict/file/tujetemomifumi.pdfIn PDF document text
- http://orderbestwings.com/uploads/files/9189189338.pdfIn PDF document text
- http://khangvietdn.com/uploads/file/87985836424.pdfIn PDF document text
- http://farmaciafoglia.eu/userfiles/files/47616549169.pdfIn PDF document text
- https://people11people.gr/uploads/File/94261606470.pdfIn PDF document text
- http://xn--80aer5aza.xn---42-5cdakyymnnb9ake1az.xn--p1ai/ckfinder/userfiles/files/lefudorelavofopawopej.pdfIn PDF document text
- http://tsmsaldature.it/userfiles/files/84372380891.pdfIn PDF document text
- https://ibextrail.com/editor-images/43555180499.pdfIn PDF document text
- https://borgopitti.it/userfiles/file/jedigaguvesikigipag.pdfIn PDF document text
- http://fujavietnam.com/images/Download/9232419118.pdfIn PDF document text
- http://khiconghoixuancong.com/Khicong/admin/userfiles/file/25457564561.pdfIn PDF document text
- http://chemonova.com/FCKeditor/file/zunerodanekuzum.pdfIn PDF document text
- http://coming-c.com/userfiles/file/23053768276.pdfIn PDF document text
- https://hainutedecopii.eu/ckfinder/userfiles/files/11768857770.pdfIn PDF document text
- https://www.meditech.cz/ckfinder/userfiles/files/57646252822.pdfIn PDF document text
- http://uslugi-ogrodnicze.pl/pliki/File/31510312622.pdfIn PDF document text
- http://thy-environment.com/userfiles/files/74237280266.pdfIn PDF document text
- https://mebelpozakazu.ru/wp-content/plugins/super-forms/uploads/php/files/4705ebacd960c8872106a7ed719e59a0/98383781848.pdfIn PDF document text
- http://pc75.net/upfiles/file/1631720555.pdfIn PDF document text
- https://sklep-pinokio.pl/web/uploads/files/dotawonibuxan.pdfIn PDF document text
- https://braindevelopmentmaps-org.neurondevelopment.org/userfiles/files/lojebolewanegemuvojokiwak.pdfIn PDF document text
- https://okazionche.com/files/4877548935.pdfIn PDF document text
- http://www.syrahresources.com.au/application/third_party/ckfinder/userfiles/files/jubaparenijowegulumalag.pdfIn PDF document text
- http://puginternational.com/ckfinder/userfiles/files/zusakimadegasuvepo.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_off0000b42e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB42E | 10872 bytes |
SHA-256: 0c5becc7c0f04737ad8e499e813c98f8f8cf641fd2cffca2257da5623f553152 |
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font_01_sfnt_off0000cd2f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCD2F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000e541.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE541 | 17088 bytes |
SHA-256: 2c949399cfb620f8c568af08096026ea172c0b0708a956945db516ac5658c0e9 |
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