MALICIOUS
192
Risk Score
Malware Insights
MITRE ATT&CK
T1059.001 PowerShell
The PDF contains a large number of external links, identified by the PDF_SEO_LINK_FARM heuristic, pointing to various PDF files on different domains. This is indicative of a link farm used to distribute malicious content or conduct phishing. The ML_NYX_PDF_MALICIOUS and ClamAV detections further support the malicious nature of the file. No scripts were extracted, and the document body was heavily obfuscated, limiting further analysis of the specific lure.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 4
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ClamAV: Pdf.Phishing.TtraffRobotInstall-7605656-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.TtraffRobotInstall-7605656-0
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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINKPDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
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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://notaorg.ru/uploads/2020/01/28/guweb-bivejol.pdf In PDF document text
- http://apran.icu/uploads/2020/01/27/4192112.pdfIn PDF document text
- http://datingnearme.in/uploads/2020/01/28/4697226.pdfIn PDF document text
- http://clspropertymaintenance.com/uploads/1/3/0/6/130603895/jomemo_begizi_resuvo.pdfIn PDF document text
- http://war.assinaturareativacaoeletronica.com/uploads/2020/01/27/vijorinur.pdfIn PDF document text
- https://wetogituvuzole.weebly.com/uploads/1/3/0/4/130483766/vatilemobula.pdfIn PDF document text
- http://vejimera.ethcryptobank.biz/uploads/2020/01/28/c91978.pdfIn PDF document text
- https://rulifogemunoxut.weebly.com/uploads/1/3/0/6/130604907/3611447.pdfIn PDF document text
- http://mexuke.magiksdur.pw/uploads/2020/01/29/zajus.pdfIn PDF document text
- http://fizono.ceodentvicalvaro.com/uploads/2020/01/28/vepin_bevowufavafekut_radutixotori_ruzorama.pdfIn PDF document text
- http://rukasokod.photorobots.ru/uploads/2020/01/27/vofapogudamevod-wugobusisuv-saxuzomuxigikar.pdfIn PDF document text
- http://fuvoful.pmk-metall.ru/uploads/2020/01/28/kufobex.pdfIn PDF document text
- http://phillyquartermaster.com/uploads/1/3/0/4/130478360/rapevigisenokofibalu.pdfIn PDF document text
- https://bimixixuno.weebly.com/uploads/1/3/0/5/130551226/6974981.pdfIn PDF document text
- http://emprendedoradollyadoraim.com/uploads/2020/01/29/raridu_gusebalinirixa.pdfIn PDF document text
- http://autocivilka.site/uploads/2020/01/29/mabipamun.pdfIn PDF document text
- http://mycreativecontributions.com/uploads/1/3/0/4/130476141/jiwak_lijujak_xugov.pdfIn PDF document text
- http://theleawoodfamilydentist.com/uploads/1/3/0/4/130489969/130489969.html#local+weather+report+near+meIn PDF document text
Extracted artifacts 1
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00001499.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1499 | 7296 bytes |
SHA-256: ea308a17a6b1be4f395cb82c7b18617e32f0d964edde449060426ff1664219e5 |
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