MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was identified as malicious by ClamAV and an ML classifier. It functions as a link farm, containing numerous URLs that point to various websites, some of which are hosted on compromised CMS upload directories. The presence of a URL with a 'utm_term' parameter suggesting a lure for 'gta 5 download' indicates a potential phishing or scam attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.5856
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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PDF differential parser failed info PDF_DIFFERENTIAL_PARSE_FAILEDThe cross-check parser (pdfminer.six) failed on this file: PDF differential parser failed: PDFSyntaxError. Static heuristics still ran and any of their findings above are valid; only the differential cross-check signal is missing.
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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://korea-labels.com/ckfinder/userfiles/files/9231848485.pdf In PDF document text
- http://diysmart.net/userfiles/file/2222073282.pdfIn PDF document text
- https://alakharia.com/public_html/userfiles/file/betelimiw.pdfIn PDF document text
- https://banderlogclub.ru/Files/file/vetadibakunesavevu.pdfIn PDF document text
- http://khocabien.com/uploads/files/gelakemupixifidakox.pdfIn PDF document text
- http://luligang.com/ckfinder/userfiles/files/29990111330.pdfIn PDF document text
- http://sgadsahodayatarntaran.org/sahodyatarntarannew/userfiles/file/63913172866.pdfIn PDF document text
- https://gjbuyerbroker.com/userfiles/file/53205461871.pdfIn PDF document text
- http://kramnyca.info/img/upload/editor/file/90392476966.pdfIn PDF document text
- http://fermobkorea.com/userfiles/file/20210909055148.pdfIn PDF document text
- https://detector-billetes.com/Imagenes/file/18623439453.pdfIn PDF document text
- http://minhanh.com/files/25010559614.pdfIn PDF document text
- https://dobski.pl/userfiles/file/57958390790.pdfIn PDF document text
- https://www.physioaktivkramer.de/wp-content/plugins/formcraft/file-upload/server/content/files/1614d1f1694199---visuvemoboli.pdfIn PDF document text
- http://elitacasa.it/images/file/58386734464.pdfIn PDF document text
- https://cosmeticdermatologymiamibeach.com/uploads/data/files/66797405648.pdfIn PDF document text
- https://glozor.com/userfiles/file/92677990197.pdfIn PDF document text
- http://newbusan.net/FileData/ckfinder/files/20210911_F5193DE2BFBD6959.pdfIn PDF document text
- https://spa-salon.ru/ckfinder/userfiles/files/xirof.pdfIn PDF document text
- http://cherriestattoo.com/ckfinder/userfiles/files/50018220863.pdfIn PDF document text
- https://postelezmasivu-ostrava.cz/ckfinder/userfiles/files/39033309615.pdfIn PDF document text
- https://beaufortbond.com/wp-content/plugins/super-forms/uploads/php/files/d3550c1b49d25572b6f886d3a03d1e69/votikijobuzigatosoxesita.pdfIn PDF document text
- http://recruiters-zone.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613396c85e8d8---56975544436.pdfIn PDF document text
- https://schmitz.cz/res/file/jodufa.pdfIn PDF document text
- http://dalaichau.com/files/66878413920.pdfIn PDF document text
- http://abnicum.ru/files/file/kepikimimatamotalimazuwo.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/1xuhb7AK25c/uplcv?utm_term=gta+5+download+for+android+free+no+human+verificationPDF link annotation
- 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_off0000b648.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB648 | 16164 bytes |
SHA-256: a29b536ab701e0f3a4d03943dd56dd4ec8b8c0d8b29b8e28b2448b9bd76a7e77 |
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font_01_sfnt_off0000cbe0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCBE0 | 16368 bytes |
SHA-256: e06c61a547a6b84a1926935dda4143d9eca0cef81621a54c24214fa63c45a991 |
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font_02_sfnt_off0000f600.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF600 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_03_sfnt_off00010e17.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10E17 | 11000 bytes |
SHA-256: 2a0a7ac815035815f8e2c105bf053578b2a1250713fed4ff1f3141f7df856aff |
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