MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The sample was identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The PDF contains numerous links to external domains, many of which are hosted on disposable domains, suggesting a link farm used for phishing or malware distribution. The presence of PDF_SEO_DISPOSABLE_LINK_FARM heuristic further supports this, indicating a non-clustered link farm on disposable hosting.
Machine Learning
- Nyx PDF Classifier malicious score 0.9765
Heuristics 5
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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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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 http://epmachine.ru/d/files/55358533015.pdf In PDF document text
- https://spandoekland.nl/userfiles/file/65364390158.pdfIn PDF document text
- https://www.orthovision-lublin.pl/ckfinder/userfiles/files/26370762757.pdfIn PDF document text
- http://mrs724.ir/basefile/drtiketcom/files/63748943029.pdfIn PDF document text
- http://onmamtour.com/FileData/ckfinder/files/20210914_7EB8C2A945A79D29.pdfIn PDF document text
- http://www.finanzanlagen-honorarberatung.de/wp-content/plugins/formcraft/file-upload/server/content/files/1614862833fcda---67884242900.pdfIn PDF document text
- http://goodwill.pl/userfiles/file/4723553564.pdfIn PDF document text
- http://cnpair.com/userfiles/file/2665853773.pdfIn PDF document text
- http://czdashan.cn/uploadfile/file/2021091012523073499.pdfIn PDF document text
- http://kimyasaldubeller.com/upload/ckfinder/files/50032112036.pdfIn PDF document text
- https://nnt52.ru/userfiles/file/milapa.pdfIn PDF document text
- https://www.hinkler.com.au/application/third_party/ckfinder/userfiles/files/78435200239.pdfIn PDF document text
- https://zabulgaria.org/userfiles/file/dagilawadofaburojufima.pdfIn PDF document text
- https://rusepress.com/uploads/wysiwyg/files/38654427042.pdfIn PDF document text
- http://inteko-tula.ru/f/file/65274939173.pdfIn PDF document text
- http://northcity.rs/slike/files/vagabinifititefumamur.pdfIn PDF document text
- http://acelybio.com/upload/files/ridinixo.pdfIn PDF document text
- https://uslugiinzynierskie.com/eurostyl/photos/file/linamojuzaxumeteluwanupij.pdfIn PDF document text
- http://wych123.com/upload/files/zuvukosaluso.pdfIn PDF document text
- http://goldenteriyaki.com/uploads/files/60087388547.pdfIn PDF document text
- http://centrlita.ru/archive/image/file/72420275391.pdfIn PDF document text
- http://seanmore.com/userData/board/file/71298186850.pdfIn PDF document text
- http://cinebuzz.be/uploads/userfiles/files/sazisub.pdfIn PDF document text
- http://xn--djr00fsyfv0o5qgy9u.com/filespath/files/20210911135505.pdfIn PDF document text
- http://mansiya.com/uploadfile/files/71269236095.pdfIn PDF document text
- https://istanajp2.com/contents/files/58603673696.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/A3Ryygt5BCM/uplcv?utm_term=american+racing+unblockedPDF link annotation
- 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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f431.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF431 | 18420 bytes |
SHA-256: 486c75a25510897a1cafbabf930af138338738476810796dbed47786e69190d0 |
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font_01_sfnt_off000123ea.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x123EA | 10760 bytes |
SHA-256: e6c8cc9bc7796c1df104b1f9aba574605c4bb4260bf16588af8915aa07a0d5e7 |
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font_02_sfnt_off00013c55.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13C55 | 2192 bytes |
SHA-256: cfb1580163e84f4efb6b278a67b6d9731dd035c0dfe3fc275b589aeb22e353f6 |
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font_03_sfnt_off0001463f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1463F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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